Myosins are actin-based motor molecules with ATPase activity. Unconventional myosins serve in intracellular movements. May be involved in the remodeling of the actin cytoskeleton. Binds actin with high affinity both in the absence and presence of ATP and its mechanochemical activity is inhibited by calcium ions. Also acts as a GTPase activating protein on Rho. Homo sapiens (taxid: 9606)
Myosins are actin-based motor molecules with ATPase activity. Unconventional myosins serve in intracellular movements. May be involved in the remodeling of the actin cytoskeleton. Binds actin with high affinity both in the absence and presence of ATP and its mechanochemical activity is inhibited by calcium ions. Also acts as a GTPase activating protein on Rho.
Myosins are actin-based motor molecules with ATPase activity. Unconventional myosins serve in intracellular movements. Regulates Rho by stimulating it's GTPase activity in neurons, has a role in the regulation of neuronal morphology and function.
Myosins are actin-based motor molecules with ATPase activity. Unconventional myosins serve in intracellular movements. May be involved in the remodeling of the actin cytoskeleton. Binds actin with high affinity both in the absence and presence of ATP and its mechanochemical activity is inhibited by calcium ions. Also acts as a GTPase activating protein on Rho.
Myosins are actin-based motor molecules with ATPase activity. Unconventional myosins serve in intracellular movements. Regulates Rho activity in neurons, has a role in the regulation of neuronal morphology and function.
Myosins are actin-based motor molecules with ATPase activity. Unconventional myosins serve in intracellular movements. Regulates Rho activity in neurons, has a role in the regulation of neuronal morphology and function.
Myosins are actin-based motor molecules with ATPase activity. Unconventional myosins serve in intracellular movements. Their highly divergent tails are presumed to bind to membranous compartments, which would be moved relative to actin filaments (By similarity). Required for the arrangement of stereocilia in mature hair bundles.
Myosins are actin-based motor molecules with ATPase activity. Unconventional myosins serve in intracellular movements. Their highly divergent tails are presumed to bind to membranous compartments, which would be moved relative to actin filaments. Required for the arrangement of stereocilia in mature hair bundles.
Score = 87.4 bits (215), Expect = 2e-17, Method: Composition-based stats.
Identities = 36/70 (51%), Positives = 52/70 (74%)
Query: 11 TTNVFEQLCINYANEHLQYYFNQHVFQYEQEEYNKEGIRWRHIEFSDNTLCLQLVEGKPN 70
T N FEQLCIN+ANEHLQ +F +HVF+ EQEEY+ E I W HIEF+DN L ++ +P
Sbjct: 445 TVNSFEQLCINFANEHLQQFFVRHVFKLEQEEYDLESIDWLHIEFTDNQEALDMIANRPM 504
Query: 71 GLLCVLDDQA 80
++ ++D+++
Sbjct: 505 NVISLIDEES 514
Myosins are actin-based motor molecules with ATPase activity. Unconventional myosins serve in intracellular movements. Their highly divergent tails bind to membranous compartments, which are then moved relative to actin filaments. In the retina, plays an important role in the renewal of the outer photoreceptor disks. Plays an important role in the distribution and migration of retinal pigment epithelial (RPE) melanosomes and phagosomes, and in the regulation of opsin transport in retinal photoreceptors. Mediates intracellular transport of RPE65 in the retina pigment epithelium. In the inner ear, plays an important role in differentiation, morphogenesis and organization of cochlear hair cell bundles. Motor protein that is a part of the functional network formed by USH1C, USH1G, CDH23 and MYO7A that mediates mechanotransduction in cochlear hair cells. Required for normal hearing. Involved in hair-cell vesicle trafficking of aminoglycosides, which are known to induce ototoxicity.
Mus musculus (taxid: 10090)
>sp|Q9U1M8|MYOI_DICDI Myosin-I heavy chain OS=Dictyostelium discoideum GN=myoI PE=1 SV=1
Myosin IX is a processive single-headed motor, which might play a role in signalling. This catalytic (head) domain has ATPase activity and belongs to the larger group of P-loop NTPases. Myosins are actin-dependent molecular motors that play important roles in muscle contraction, cell motility, and organelle transport. The head domain is a molecular motor, which utilizes ATP hydrolysis to generate directed movement toward the plus end along actin filaments. A cyclical interaction between myosin and actin provides the driving force. Rates of ATP hydrolysis and consequently the speed of movement along actin filaments vary widely, from about 0.04 micrometer per second for myosin I to 4.5 micrometer per second for myosin II in skeletal muscle. Myosin II moves in discrete steps about 5-10 nm long and generates 1-5 piconewtons of force. Upon ATP binding, the myosin head dissociates from an actin filament. ATP hydrolysis causes the head to pivot and associate with a new actin subunit. The release of Pi causes the head to pivot and move the filament (power stroke). Release of ADP completes the cycle. Length = 692
Large ATPases. ATPase; molecular motor. Muscle contraction consists of a cyclical interaction between myosin and actin. The core of the myosin structure is similar in fold to that of kinesin. Length = 677
>gnl|CDD|238071 cd00124, MYSc, Myosin motor domain
This catalytic (head) domain has ATPase activity and belongs to the larger group of P-loop NTPases. Myosins are actin-dependent molecular motors that play important roles in muscle contraction, cell motility, and organelle transport. The head domain is a molecular motor, which utilizes ATP hydrolysis to generate directed movement toward the plus end along actin filaments. A cyclical interaction between myosin and actin provides the driving force. Rates of ATP hydrolysis and consequently the speed of movement along actin filaments vary widely, from about 0.04 micrometer per second for myosin I to 4.5 micrometer per second for myosin II in skeletal muscle. Myosin II moves in discrete steps about 5-10 nm long and generates 1-5 piconewtons of force. Upon ATP binding, the myosin head dissociates from an actin filament. ATP hydrolysis causes the head to pivot and associate with a new actin subunit. The release of Pi causes the head to pivot and move the filament (power stroke). Release of ADP completes the cycle. Length = 679
>gnl|CDD|238680 cd01384, MYSc_type_XI, Myosin motor domain, plant-specific type XI myosin, involved in organelle transport
Score = 108 bits (272), Expect = 2e-29
Identities = 43/73 (58%), Positives = 51/73 (69%), Gaps = 2/73 (2%)
Query: 6 ESVKETTNVFEQLCINYANEHLQYYFNQHVFQYEQEEYNKEGIRWRHIEFSDNTLCLQLV 65
ES K TN FEQ CIN NE LQ +FNQHVF+ EQEEY KE I W +IEF DN L L+
Sbjct: 378 ESFK--TNSFEQFCINLTNEKLQQHFNQHVFKMEQEEYTKEEIDWSYIEFVDNQDVLDLI 435
Query: 66 EGKPNGLLCVLDD 78
E KP G++ +LD+
Sbjct: 436 EKKPGGIIALLDE 448
This catalytic (head) domain has ATPase activity and belongs to the larger group of P-loop NTPases. Myosins are actin-dependent molecular motors that play important roles in muscle contraction, cell motility, and organelle transport. The head domain is a molecular motor, which utilizes ATP hydrolysis to generate directed movement toward the plus end along actin filaments. A cyclical interaction between myosin and actin provides the driving force. Rates of ATP hydrolysis and consequently the speed of movement along actin filaments vary widely, from about 0.04 micrometer per second for myosin I to 4.5 micrometer per second for myosin II in skeletal muscle. Myosin II moves in discrete steps about 5-10 nm long and generates 1-5 piconewtons of force. Upon ATP binding, the myosin head dissociates from an actin filament. ATP hydrolysis causes the head to pivot and associate with a new actin subunit. The release of Pi causes the head to pivot and move the filament (power stroke). Release of ADP completes the cycle. Length = 674
>gnl|CDD|215687 pfam00063, Myosin_head, Myosin head (motor domain)
Myosins in this group have been associated with functions in sensory systems such as vision and hearing. This catalytic (head) domain has ATPase activity and belongs to the larger group of P-loop NTPases. Myosins are actin-dependent molecular motors that play important roles in muscle contraction, cell motility, and organelle transport. The head domain is a molecular motor, which utilizes ATP hydrolysis to generate directed movement toward the plus end along actin filaments. A cyclical interaction between myosin and actin provides the driving force. Rates of ATP hydrolysis and consequently the speed of movement along actin filaments vary widely, from about 0.04 micrometer per second for myosin I to 4.5 micrometer per second for myosin II in skeletal muscle. Myosin II moves in discrete steps about 5-10 nm long and generates 1-5 piconewtons of force. Upon ATP binding, the myosin head dissociates from an actin filament. ATP hydrolysis causes the head to pivot and associate with a new actin subunit. The release of Pi causes the head to pivot and move the filament (power stroke). Release of ADP completes the cycle. Length = 671
>gnl|CDD|238676 cd01380, MYSc_type_V, Myosin motor domain, type V myosins
Myosins V transport a variety of intracellular cargo processively along actin filaments, such as membraneous organelles and mRNA. This catalytic (head) domain has ATPase activity and belongs to the larger group of P-loop NTPases. Myosins are actin-dependent molecular motors that play important roles in muscle contraction, cell motility, and organelle transport. The head domain is a molecular motor, which utilizes ATP hydrolysis to generate directed movement toward the plus end along actin filaments. A cyclical interaction between myosin and actin provides the driving force. Rates of ATP hydrolysis and consequently the speed of movement along actin filaments vary widely, from about 0.04 micrometer per second for myosin I to 4.5 micrometer per second for myosin II in skeletal muscle. Myosin II moves in discrete steps about 5-10 nm long and generates 1-5 piconewtons of force. Upon ATP binding, the myosin head dissociates from an actin filament. ATP hydrolysis causes the head to pivot and associate with a new actin subunit. The release of Pi causes the head to pivot and move the filament (power stroke). Release of ADP completes the cycle. Length = 691
>gnl|CDD|238683 cd01387, MYSc_type_XV, Myosin motor domain, type XV myosins
In vertebrates, myosin XV appears to be expressed in sensory tissue and play a role in hearing. This catalytic (head) domain has ATPase activity and belongs to the larger group of P-loop NTPases. Myosins are actin-dependent molecular motors that play important roles in muscle contraction, cell motility, and organelle transport. The head domain is a molecular motor, which utilizes ATP hydrolysis to generate directed movement toward the plus end along actin filaments. A cyclical interaction between myosin and actin provides the driving force. Rates of ATP hydrolysis and consequently the speed of movement along actin filaments vary widely, from about 0.04 micrometer per second for myosin I to 4.5 micrometer per second for myosin II in skeletal muscle. Myosin II moves in discrete steps about 5-10 nm long and generates 1-5 piconewtons of force. Upon ATP binding, the myosin head dissociates from an actin filament. ATP hydrolysis causes the head to pivot and associate with a new actin subunit. The release of Pi causes the head to pivot and move the filament (power stroke). Release of ADP completes the cycle. Length = 677
>gnl|CDD|238679 cd01383, MYSc_type_VIII, Myosin motor domain, plant-specific type VIII myosins, a subgroup which has been associated with endocytosis, cytokinesis, cell-to-cell coupling and gating at plasmodesmata
This catalytic (head) domain has ATPase activity and belongs to the larger group of P-loop NTPases. Myosins are actin-dependent molecular motors that play important roles in muscle contraction, cell motility, and organelle transport. The head domain is a molecular motor, which utilizes ATP hydrolysis to generate directed movement toward the plus end along actin filaments. A cyclical interaction between myosin and actin provides the driving force. Rates of ATP hydrolysis and consequently the speed of movement along actin filaments vary widely, from about 0.04 micrometer per second for myosin I to 4.5 micrometer per second for myosin II in skeletal muscle. Myosin II moves in discrete steps about 5-10 nm long and generates 1-5 piconewtons of force. Upon ATP binding, the myosin head dissociates from an actin filament. ATP hydrolysis causes the head to pivot and associate with a new actin subunit. The release of Pi causes the head to pivot and move the filament (power stroke). Release of ADP completes the cycle. Length = 677
>gnl|CDD|227355 COG5022, COG5022, Myosin heavy chain [Cytoskeleton]
Score = 88.8 bits (221), Expect = 2e-22
Identities = 36/68 (52%), Positives = 46/68 (67%), Gaps = 1/68 (1%)
Query: 13 NVFEQLCINYANEHLQYYFNQHVFQYEQEEYNKEGIRWRHIEFS-DNTLCLQLVEGKPNG 71
N FEQLCINY NE LQ +FN H+F EQEEY +EGI W I+F D + L+E P G
Sbjct: 390 NSFEQLCINYTNEKLQQFFNHHMFVLEQEEYQREGIEWTFIDFGLDLQPTIDLIEKNPMG 449
Query: 72 LLCVLDDQ 79
+L +LD++
Sbjct: 450 ILSLLDEE 457
Myosin II mediates cortical contraction in cell motility, and is the motor in smooth and skeletal muscle. This catalytic (head) domain has ATPase activity and belongs to the larger group of P-loop NTPases. Myosins are actin-dependent molecular motors that play important roles in muscle contraction, cell motility, and organelle transport. The head domain is a molecular motor, which utilizes ATP hydrolysis to generate directed movement toward the plus end along actin filaments. A cyclical interaction between myosin and actin provides the driving force. Rates of ATP hydrolysis and consequently the speed of movement along actin filaments vary widely, from about 0.04 micrometer per second for myosin I to 4.5 micrometer per second for myosin II in skeletal muscle. Myosin II moves in discrete steps about 5-10 nm long and generates 1-5 piconewtons of force. Upon ATP binding, the myosin head dissociates from an actin filament. ATP hydrolysis causes the head to pivot and associate with a new actin subunit. The release of Pi causes the head to pivot and move the filament (power stroke). Release of ADP completes the cycle. Length = 693
>gnl|CDD|238675 cd01379, MYSc_type_III, Myosin motor domain, type III myosins
Myosin III has been shown to play a role in the vision process in insects and in hearing in mammals. Myosin III, an unconventional myosin, does not form dimers. This catalytic (head) domain has ATPase activity and belongs to the larger group of P-loop NTPases. Myosins are actin-dependent molecular motors that play important roles in muscle contraction, cell motility, and organelle transport. The head domain is a molecular motor, which utilizes ATP hydrolysis to generate directed movement toward the plus end along actin filaments. A cyclical interaction between myosin and actin provides the driving force. Rates of ATP hydrolysis and consequently the speed of movement along actin filaments vary widely, from about 0.04 micrometer per second for myosin I to 4.5 micrometer per second for myosin II in skeletal muscle. Myosin II moves in discrete steps about 5-10 nm long and generates 1-5 piconewtons of force. Upon ATP binding, the myosin head dissociates from an actin filament. ATP hydrolysis causes the head to pivot and associate with a new actin subunit. The release of Pi causes the head to pivot and move the filament (power stroke). Release of ADP completes the cycle. Length = 653
>gnl|CDD|238674 cd01378, MYSc_type_I, Myosin motor domain, type I myosins
Myosin I generates movement at the leading edge in cell motility, and class I myosins have been implicated in phagocytosis and vesicle transport. Myosin I, an unconventional myosin, does not form dimers. This catalytic (head) domain has ATPase activity and belongs to the larger group of P-loop NTPases. Myosins are actin-dependent molecular motors that play important roles in muscle contraction, cell motility, and organelle transport. The head domain is a molecular motor, which utilizes ATP hydrolysis to generate directed movement toward the plus end along actin filaments. A cyclical interaction between myosin and actin provides the driving force. Rates of ATP hydrolysis and consequently the speed of movement along actin filaments vary widely, from about 0.04 micrometer per second for myosin I to 4.5 micrometer per second for myosin II in skeletal muscle. Myosin II moves in discrete steps about 5-10 nm long and generates 1-5 piconewtons of force. Upon ATP binding, the myosin head dissociates from an actin filament. ATP hydrolysis causes the head to pivot and associate with a new actin subunit. The release of Pi causes the head to pivot and move the filament (power stroke). Release of ADP completes the cycle. Length = 674
>gnl|CDD|238678 cd01382, MYSc_type_VI, Myosin motor domain, type VI myosins
Myosin VI is a monomeric myosin, which moves towards the minus-end of actin filaments, in contrast to most other myosins. It has been implicated in endocytosis, secretion, and cell migration. This catalytic (head) domain has ATPase activity and belongs to the larger group of P-loop NTPases. Myosins are actin-dependent molecular motors that play important roles in muscle contraction, cell motility, and organelle transport. The head domain is a molecular motor, which utilizes ATP hydrolysis to generate directed movement toward the minus end along actin filaments. A cyclical interaction between myosin and actin provides the driving force. Rates of ATP hydrolysis and consequently the speed of movement along actin filaments vary widely, from about 0.04 micrometer per second for myosin I to 4.5 micrometer per second for myosin II in skeletal muscle. Myosin II moves in discrete steps about 5-10 nm long and generates 1-5 piconewtons of force. Upon ATP binding, the myosin head dissociates from an actin filament. ATP hydrolysis causes the head to pivot and associate with a new actin subunit. The release of Pi causes the head to pivot and move the filament (power stroke). Release of ADP completes the cycle. Length = 717
Score = 41.4 bits (97), Expect = 1e-05
Identities = 23/77 (29%), Positives = 34/77 (44%), Gaps = 10/77 (12%)
Query: 9 KETTNVFEQLCINYANEHLQYYFNQHVFQYEQEEYNKEGIRWRHIEFSDNTLCLQLVEGK 68
K+ FE+LC NY E LQ F+ F E Y +EG+ +EF L E
Sbjct: 391 KDRAATFEELCHNYLQERLQLLFHHRTFVQPLERYAEEGVE---VEFD-------LAEPS 440
Query: 69 PNGLLCVLDDQANSVLL 85
P + ++D V++
Sbjct: 441 PGTTVALVDQAPQQVVV 457
This catalytic (head) domain has ATPase activity and belongs to the larger group of P-loop NTPases. Myosins are actin-dependent molecular motors that play important roles in muscle contraction, cell motility, and organelle transport. The head domain is a molecular motor, which utilizes ATP hydrolysis to generate directed movement toward the plus end along actin filaments. A cyclical interaction between myosin and actin provides the driving force. Rates of ATP hydrolysis and consequently the speed of movement along actin filaments vary widely, from about 0.04 micrometer per second for myosin I to 4.5 micrometer per second for myosin II in skeletal muscle. Myosin II moves in discrete steps about 5-10 nm long and generates 1-5 piconewtons of force. Upon ATP binding, the myosin head dissociates from an actin filament. ATP hydrolysis causes the head to pivot and associate with a new actin subunit. The release of Pi causes the head to pivot and move the filament (power stroke). Release of ADP completes the cycle. Length = 767
Probab=99.97 E-value=1e-31 Score=208.68 Aligned_cols=81 Identities=33% Similarity=0.426 Sum_probs=79.6
Q ss_pred hccccccCCCchhhhHhhhhhhHHHHHHHHHHHHHHHHHhhhcCCcccccccCChHHHHHHHhcCCCcccccchhhhhcc
Q psy6805 4 LKESVKETTNVFEQLCINYANEHLQYYFNQHVFQYEQEEYNKEGIRWRHIEFSDNTLCLQLVEGKPNGLLCVLDDQANSV 83 (86)
Q Consensus 4 ~~~f~~~~~N~feql~iN~~nE~l~~~~~~~~f~~~~~~y~~Egi~~~~i~~~dn~~~l~li~~~p~Gll~lLDee~~~P 83 (86)
.||||.|..|||||||||||||+||++|++++|..++++|.+|||.|..++|.||++|+|||+++|.|||++|||||++|
T Consensus 469 I~GFE~f~~NSfEQLcINy~NEkLQq~F~~~vF~~EqeeY~~EgI~~~~i~f~dN~~~idLie~k~~GIl~lLDEec~~p 548 (821)
T PTZ00014 469 IFGFEVFKNNSLEQLFINITNEMLQKNFVDIVFERESKLYKDEGISTEELEYTSNESVIDLLCGKGKSVLSILEDQCLAP 548 (821)
T ss_pred cccccccCcchHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHccccCCCCCCCCcHHHHHHHhcCCccHHHHHHHHhCCC
Confidence 68999999999999999999999999999999999999999999999999999999999999999999999999999999
Q ss_pred c
Q psy6805 84 L 84 (86)
Q Consensus 84 ~ 84 (86)
+
T Consensus 549 ~ 549 (821)
T PTZ00014 549 G 549 (821)
T ss_pred C
Confidence 6
>cd01383 MYSc_type_VIII Myosin motor domain, plant-specific type VIII myosins, a subgroup which has been associated with endocytosis, cytokinesis, cell-to-cell coupling and gating at plasmodesmata
Probab=99.97 E-value=1.3e-31 Score=205.02 Aligned_cols=81 Identities=49% Similarity=0.837 Sum_probs=79.7
Q ss_pred hccccccCCCchhhhHhhhhhhHHHHHHHHHHHHHHHHHhhhcCCcccccccCChHHHHHHHhcCCCcccccchhhhhcc
Q psy6805 4 LKESVKETTNVFEQLCINYANEHLQYYFNQHVFQYEQEEYNKEGIRWRHIEFSDNTLCLQLVEGKPNGLLCVLDDQANSV 83 (86)
Q Consensus 4 ~~~f~~~~~N~feql~iN~~nE~l~~~~~~~~f~~~~~~y~~Egi~~~~i~~~dn~~~l~li~~~p~Gll~lLDee~~~P 83 (86)
.||||.|..||||||||||||||||++|++++|..++++|.+|||.|..++|.||++|+|||+++|.|||++|||||++|
T Consensus 372 I~GFE~f~~NsfEQLcINyaNEkLQ~~f~~~vF~~EqeeY~~EgI~~~~i~f~dN~~~ldLie~kp~Gil~lLdee~~~p 451 (677)
T cd01383 372 IYGFESFDKNSFEQFCINYANERLQQHFNRHLFKLEQEEYEEDGIDWTKVEFEDNQECLDLFEKKPLGLLSLLDEESTFP 451 (677)
T ss_pred ccccccCCCCCHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHhcCCCcccccCCCcHHHHHHHhcCCccHHHHhHHHHcCC
Confidence 69999999999999999999999999999999999999999999999999999999999999999999999999999999
Q ss_pred c
Q psy6805 84 L 84 (86)
Q Consensus 84 ~ 84 (86)
+
T Consensus 452 ~ 452 (677)
T cd01383 452 N 452 (677)
T ss_pred C
Confidence 7
This catalytic (head) domain has ATPase activity and belongs to the larger group of P-loop NTPases. Myosins are actin-dependent molecular motors that play important roles in muscle contraction, cell motility, and organelle transport. The head domain is a molecular motor, which utilizes ATP hydrolysis to generate directed movement toward the plus end along actin filaments. A cyclical interaction between myosin and actin provides the driving force. Rates of ATP hydrolysis and consequently the speed of movement along actin filaments vary widely, from about 0.04 micrometer per second for myosin I to 4.5 micrometer per second for myosin II in skeletal muscle. Myosin II moves in discrete steps about 5-10 nm long and generates 1-5 piconewtons of force. Upon ATP binding, the myosin head dissociates f
>cd01387 MYSc_type_XV Myosin motor domain, type XV myosins
Probab=99.97 E-value=1.7e-31 Score=204.43 Aligned_cols=81 Identities=49% Similarity=0.753 Sum_probs=79.7
Q ss_pred hccccccCCCchhhhHhhhhhhHHHHHHHHHHHHHHHHHhhhcCCcccccccCChHHHHHHHhcCCCcccccchhhhhcc
Q psy6805 4 LKESVKETTNVFEQLCINYANEHLQYYFNQHVFQYEQEEYNKEGIRWRHIEFSDNTLCLQLVEGKPNGLLCVLDDQANSV 83 (86)
Q Consensus 4 ~~~f~~~~~N~feql~iN~~nE~l~~~~~~~~f~~~~~~y~~Egi~~~~i~~~dn~~~l~li~~~p~Gll~lLDee~~~P 83 (86)
.||||.|..||||||||||||||||++|++++|..++++|.+|||.|..++|.||++|+|||+++|.|||++|||||++|
T Consensus 368 IfGFE~f~~NsfEQLcINyaNEkLQ~~f~~~vF~~eq~eY~~EgI~~~~i~f~dN~~~ldLi~~kp~Gil~lLdee~~~p 447 (677)
T cd01387 368 IYGFEDLSFNSFEQLCINYANENLQYLFNKIVFQEEQEEYIREQLDWTEIAFADNQPVINLISLKPYGILRILDDQCCFP 447 (677)
T ss_pred cCccccCCCCCHHHHHhHHHHHHHHHHHHHHHHHHHHHHHHhcCCCCcccCcCChHHHHHHHhcCCCchHHHHHHHhcCC
Confidence 68999999999999999999999999999999999999999999999999999999999999999999999999999999
Q ss_pred c
Q psy6805 84 L 84 (86)
Q Consensus 84 ~ 84 (86)
+
T Consensus 448 ~ 448 (677)
T cd01387 448 Q 448 (677)
T ss_pred C
Confidence 6
In vertebrates, myosin XV appears to be expressed in sensory tissue and play a role in hearing. This catalytic (head) domain has ATPase activity and belongs to the larger group of P-loop NTPases. Myosins are actin-dependent molecular motors that play important roles in muscle contraction, cell motility, and organelle transport. The head domain is a molecular motor, which utilizes ATP hydrolysis to generate directed movement toward the plus end along actin filaments. A cyclical interaction between myosin and actin provides the driving force. Rates of ATP hydrolysis and consequently the speed of movement along actin filaments vary widely, from about 0.04 micrometer per second for myosin I to 4.5 micrometer per second for myosin II in skeletal muscle. Myosin II moves in discrete steps about 5-10 nm long and generates 1-5 piconewtons of force. Upon ATP binding, the myosin head dissociates from an actin filament. ATP hydrolysis caus
>cd01381 MYSc_type_VII Myosin motor domain, type VII myosins
Probab=99.97 E-value=2.3e-31 Score=203.56 Aligned_cols=81 Identities=46% Similarity=0.748 Sum_probs=79.7
Q ss_pred hccccccCCCchhhhHhhhhhhHHHHHHHHHHHHHHHHHhhhcCCcccccccCChHHHHHHHhcCCCcccccchhhhhcc
Q psy6805 4 LKESVKETTNVFEQLCINYANEHLQYYFNQHVFQYEQEEYNKEGIRWRHIEFSDNTLCLQLVEGKPNGLLCVLDDQANSV 83 (86)
Q Consensus 4 ~~~f~~~~~N~feql~iN~~nE~l~~~~~~~~f~~~~~~y~~Egi~~~~i~~~dn~~~l~li~~~p~Gll~lLDee~~~P 83 (86)
.||||.|..||||||||||||||||++|++++|..++++|.+|||.|..++|.||++|+|||+++|.|||++|||||++|
T Consensus 369 IfGFE~f~~NsfEQLcINy~NEkLQ~~f~~~vf~~eq~eY~~EgI~~~~i~f~dN~~~ldLie~kp~Gil~lLDee~~~p 448 (671)
T cd01381 369 IFGFENFDVNSFEQLCINFANENLQQFFVQHIFKLEQEEYNLEHINWQHIEFVDNQDALDLIAIKPLNIMSLIDEESKFP 448 (671)
T ss_pred cCCcccCCCCCHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHcCCCCCccCccCcHHHHHHHhcCCCCcceechHhhcCC
Confidence 69999999999999999999999999999999999999999999999999999999999999999999999999999999
Q ss_pred c
Q psy6805 84 L 84 (86)
Q Consensus 84 ~ 84 (86)
+
T Consensus 449 ~ 449 (671)
T cd01381 449 K 449 (671)
T ss_pred C
Confidence 6
Myosins in this group have been associated with functions in sensory systems such as vision and hearing. This catalytic (head) domain has ATPase activity and belongs to the larger group of P-loop NTPases. Myosins are actin-dependent molecular motors that play important roles in muscle contraction, cell motility, and organelle transport. The head domain is a molecular motor, which utilizes ATP hydrolysis to generate directed movement toward the plus end along actin filaments. A cyclical interaction between myosin and actin provides the driving force. Rates of ATP hydrolysis and consequently the speed of movement along actin filaments vary widely, from about 0.04 micrometer per second for myosin I to 4.5 micrometer per second for myosin II in skeletal muscle. Myosin II moves in discrete steps about 5-10 nm long and generates 1-5 piconewtons of force. Upon ATP binding, the myosin head dissociates from an actin filament. ATP hydr
>cd01384 MYSc_type_XI Myosin motor domain, plant-specific type XI myosin, involved in organelle transport
Probab=99.97 E-value=2.3e-31 Score=203.60 Aligned_cols=82 Identities=49% Similarity=0.727 Sum_probs=80.1
Q ss_pred hhccccccCCCchhhhHhhhhhhHHHHHHHHHHHHHHHHHhhhcCCcccccccCChHHHHHHHhcCCCcccccchhhhhc
Q psy6805 3 KLKESVKETTNVFEQLCINYANEHLQYYFNQHVFQYEQEEYNKEGIRWRHIEFSDNTLCLQLVEGKPNGLLCVLDDQANS 82 (86)
Q Consensus 3 ~~~~f~~~~~N~feql~iN~~nE~l~~~~~~~~f~~~~~~y~~Egi~~~~i~~~dn~~~l~li~~~p~Gll~lLDee~~~ 82 (86)
..||||.|..|||||||||||||+||++|++++|..++++|.+|||+|..++|.||++|+|||+++|.|||++|||||++
T Consensus 373 DI~GFE~f~~NsfEQLcINyaNEkLQ~~f~~~if~~eq~eY~~EgI~~~~i~~~DN~~~ldLie~~~~Gil~lLdee~~~ 452 (674)
T cd01384 373 DIYGFESFKTNSFEQFCINLTNEKLQQHFNQHVFKMEQEEYTKEEIDWSYIEFVDNQDVLDLIEKKPGGIIALLDEACMF 452 (674)
T ss_pred ecccccccCcCCHHHHHhhhhHHHHHHHHHHHHHHHHHHHHHhcCCCCCcccCCChHHHHHHHhcCCccHHHHHHHHHcC
Confidence 36999999999999999999999999999999999999999999999999999999999999999999999999999999
Q ss_pred cc
Q psy6805 83 VL 84 (86)
Q Consensus 83 P~ 84 (86)
|+
T Consensus 453 p~ 454 (674)
T cd01384 453 PK 454 (674)
T ss_pred CC
Confidence 96
This catalytic (head) domain has ATPase activity and belongs to the larger group of P-loop NTPases. Myosins are actin-dependent molecular motors that play important roles in muscle contraction, cell motility, and organelle transport. The head domain is a molecular motor, which utilizes ATP hydrolysis to generate directed movement toward the plus end along actin filaments. A cyclical interaction between myosin and actin provides the driving force. Rates of ATP hydrolysis and consequently the speed of movement along actin filaments vary widely, from about 0.04 micrometer per second for myosin I to 4.5 micrometer per second for myosin II in skeletal muscle. Myosin II moves in discrete steps about 5-10 nm long and generates 1-5 piconewtons of force. Upon ATP binding, the myosin head dissociates from an actin filament. ATP hydrolysis causes the head to pivot and associate with a new act
>cd01382 MYSc_type_VI Myosin motor domain, type VI myosins
Probab=99.97 E-value=2.2e-31 Score=204.76 Aligned_cols=81 Identities=38% Similarity=0.674 Sum_probs=79.7
Q ss_pred hccccccCCCchhhhHhhhhhhHHHHHHHHHHHHHHHHHhhhcCCcccccccCChHHHHHHHhcCCCcccccchhhhhcc
Q psy6805 4 LKESVKETTNVFEQLCINYANEHLQYYFNQHVFQYEQEEYNKEGIRWRHIEFSDNTLCLQLVEGKPNGLLCVLDDQANSV 83 (86)
Q Consensus 4 ~~~f~~~~~N~feql~iN~~nE~l~~~~~~~~f~~~~~~y~~Egi~~~~i~~~dn~~~l~li~~~p~Gll~lLDee~~~P 83 (86)
.||||.|..||||||||||||||||++|++++|..++++|.+|||+|.+++|.||++|+|||+++|.|||++|||||++|
T Consensus 404 IfGFE~f~~NsfEQLcINyaNEkLQ~~f~~~if~~Eq~~Y~~EgI~~~~i~~~DN~~~ldLie~k~~Gil~lLDee~~~p 483 (717)
T cd01382 404 IAGFEYFEHNSFEQFCINYCNEKLQQFFNERILKEEQELYQREGLGVNEVHYVDNQDCIDLIEAKLNGILDILDEENRLP 483 (717)
T ss_pred ccccccCCCCCHHHHhhhhhHHHHHHHHHHHHHHHHHHHHHhcCCCCccccccccHHHHHHHhcCCccHHHHhHHHhcCC
Confidence 69999999999999999999999999999999999999999999999999999999999999999999999999999999
Q ss_pred c
Q psy6805 84 L 84 (86)
Q Consensus 84 ~ 84 (86)
+
T Consensus 484 ~ 484 (717)
T cd01382 484 Q 484 (717)
T ss_pred C
Confidence 6
Myosin VI is a monomeric myosin, which moves towards the minus-end of actin filaments, in contrast to most other myosins. It has been implicated in endocytosis, secretion, and cell migration. This catalytic (head) domain has ATPase activity and belongs to the larger group of P-loop NTPases. Myosins are actin-dependent molecular motors that play important roles in muscle contraction, cell motility, and organelle transport. The head domain is a molecular motor, which utilizes ATP hydrolysis to generate directed movement toward the minus end along actin filaments. A cyclical interaction between myosin and actin provides the driving force. Rates of ATP hydrolysis and consequently the speed of movement along actin filaments vary widely, from about 0.04 micrometer per second for myosin I to 4.5 micrometer per second for myosin II in skeletal muscle. Myosin II moves in discrete steps about 5-10 nm long and generates 1-5 piconewtons of
>cd01379 MYSc_type_III Myosin motor domain, type III myosins
Probab=99.97 E-value=3.1e-31 Score=202.38 Aligned_cols=81 Identities=46% Similarity=0.734 Sum_probs=79.5
Q ss_pred hccccccCCCchhhhHhhhhhhHHHHHHHHHHHHHHHHHhhhcCCcccccccCChHHHHHHHhcCCCcccccchhhhhcc
Q psy6805 4 LKESVKETTNVFEQLCINYANEHLQYYFNQHVFQYEQEEYNKEGIRWRHIEFSDNTLCLQLVEGKPNGLLCVLDDQANSV 83 (86)
Q Consensus 4 ~~~f~~~~~N~feql~iN~~nE~l~~~~~~~~f~~~~~~y~~Egi~~~~i~~~dn~~~l~li~~~p~Gll~lLDee~~~P 83 (86)
.||||.|..||||||||||||||||++|++++|..++++|.+|||+|..++|.||++|+|||+++|.|||++|||||++|
T Consensus 380 I~GFE~f~~NsfEQLcINyaNEkLQ~~f~~~vf~~Eq~eY~~EgI~~~~i~~~dN~~~ldli~~kp~Gil~lLdee~~~~ 459 (653)
T cd01379 380 IFGFENFKKNSFEQLCINIANEQIQYYFNQHIFAWEQQEYLNEGVDARLVEYEDNRPLLDMFLQKPLGLLALLDEESRFP 459 (653)
T ss_pred ccccccCCCCCHHHHHhhhhHHHHHHHHHHHHHHHHHHHHHhcCCCCCCCCCCCcHHHHHhHccCCCcHHHHHHHHhcCC
Confidence 69999999999999999999999999999999999999999999999999999999999999999999999999999999
Q ss_pred c
Q psy6805 84 L 84 (86)
Q Consensus 84 ~ 84 (86)
+
T Consensus 460 ~ 460 (653)
T cd01379 460 Q 460 (653)
T ss_pred C
Confidence 6
Myosin III has been shown to play a role in the vision process in insects and in hearing in mammals. Myosin III, an unconventional myosin, does not form dimers. This catalytic (head) domain has ATPase activity and belongs to the larger group of P-loop NTPases. Myosins are actin-dependent molecular motors that play important roles in muscle contraction, cell motility, and organelle transport. The head domain is a molecular motor, which utilizes ATP hydrolysis to generate directed movement toward the plus end along actin filaments. A cyclical interaction between myosin and actin provides the driving force. Rates of ATP hydrolysis and consequently the speed of movement along actin filaments vary widely, from about 0.04 micrometer per second for myosin I to 4.5 micrometer per second for myosin II in skeletal muscle. Myosin II moves in discrete steps about 5-10 nm long and generates 1-5 piconewtons of force. Upon ATP binding, the
>cd01385 MYSc_type_IX Myosin motor domain, type IX myosins
Probab=99.97 E-value=3.5e-31 Score=203.11 Aligned_cols=81 Identities=56% Similarity=0.938 Sum_probs=79.5
Q ss_pred hccccccCC-CchhhhHhhhhhhHHHHHHHHHHHHHHHHHhhhcCCcccccccCChHHHHHHHhcCCCcccccchhhhhc
Q psy6805 4 LKESVKETT-NVFEQLCINYANEHLQYYFNQHVFQYEQEEYNKEGIRWRHIEFSDNTLCLQLVEGKPNGLLCVLDDQANS 82 (86)
Q Consensus 4 ~~~f~~~~~-N~feql~iN~~nE~l~~~~~~~~f~~~~~~y~~Egi~~~~i~~~dn~~~l~li~~~p~Gll~lLDee~~~ 82 (86)
.||||.|.. ||||||||||||||||++|++++|..++++|..|||.|..++|.||++|++||++||.|||++|||||++
T Consensus 383 I~GFE~f~~~NsfEQLcINyaNEkLQ~~f~~~vf~~eq~~Y~~EgI~~~~i~f~dN~~~ldLie~k~~Gil~lLdee~~~ 462 (692)
T cd01385 383 IFGFEDFGRCNSFEQLCINYANEQLQYYFNQHIFKLEQEEYQGEGITWTNIEYTDNVGCIQLFSKKPTGLLYLLDEESNF 462 (692)
T ss_pred cCccccCCCCCCHHHHhhHHHHHHHHHHHHHHHHHHHHHHHHhcCCCcccccCCCcHHHHHHHhcCCccHHHHhHHHhcC
Confidence 689999999 9999999999999999999999999999999999999999999999999999999999999999999999
Q ss_pred cc
Q psy6805 83 VL 84 (86)
Q Consensus 83 P~ 84 (86)
|+
T Consensus 463 p~ 464 (692)
T cd01385 463 PH 464 (692)
T ss_pred CC
Confidence 96
Myosin IX is a processive single-headed motor, which might play a role in signalling. This catalytic (head) domain has ATPase activity and belongs to the larger group of P-loop NTPases. Myosins are actin-dependent molecular motors that play important roles in muscle contraction, cell motility, and organelle transport. The head domain is a molecular motor, which utilizes ATP hydrolysis to generate directed movement toward the plus end along actin filaments. A cyclical interaction between myosin and actin provides the driving force. Rates of ATP hydrolysis and consequently the speed of movement along actin filaments vary widely, from about 0.04 micrometer per second for myosin I to 4.5 micrometer per second for myosin II in skeletal muscle. Myosin II moves in discrete steps about 5-10 nm long and generates 1-5 piconewtons of force. Upon ATP binding, the myosin head dissociates from an actin filament. ATP hydrolysis causes the hea
>cd01378 MYSc_type_I Myosin motor domain, type I myosins
Probab=99.97 E-value=6.6e-31 Score=201.14 Aligned_cols=80 Identities=41% Similarity=0.730 Sum_probs=78.9
Q ss_pred hccccccCCCchhhhHhhhhhhHHHHHHHHHHHHHHHHHhhhcCCcccccccCChHHHHHHHhc-CCCcccccchhhhhc
Q psy6805 4 LKESVKETTNVFEQLCINYANEHLQYYFNQHVFQYEQEEYNKEGIRWRHIEFSDNTLCLQLVEG-KPNGLLCVLDDQANS 82 (86)
Q Consensus 4 ~~~f~~~~~N~feql~iN~~nE~l~~~~~~~~f~~~~~~y~~Egi~~~~i~~~dn~~~l~li~~-~p~Gll~lLDee~~~ 82 (86)
.||||.|..||||||||||||||||++|++++|..++++|.+|||.|..++|.||++|+|||++ +|.|||++|||||++
T Consensus 373 IfGFE~f~~NsfEQLcINyaNEkLQ~~f~~~~F~~eq~~Y~~EgI~~~~i~f~DN~~~ldLie~~~~~Gil~lLdee~~~ 452 (674)
T cd01378 373 IYGFEIFQKNSFEQFCINYVNEKLQQIFIELTLKAEQEEYVREGIKWTPIEYFNNKIVCDLIEGKRPPGIFSILDDVCAT 452 (674)
T ss_pred cccccccccccHHHHHhHHHHHHHHHHHHHHHHHHHHHHHHhcCCCCCCcCcCChHHHHHHHhcCCCcchHHHHHHHHcC
Confidence 6899999999999999999999999999999999999999999999999999999999999999 899999999999999
Q ss_pred c
Q psy6805 83 V 83 (86)
Q Consensus 83 P 83 (86)
|
T Consensus 453 p 453 (674)
T cd01378 453 P 453 (674)
T ss_pred C
Confidence 9
Myosin I generates movement at the leading edge in cell motility, and class I myosins have been implicated in phagocytosis and vesicle transport. Myosin I, an unconventional myosin, does not form dimers. This catalytic (head) domain has ATPase activity and belongs to the larger group of P-loop NTPases. Myosins are actin-dependent molecular motors that play important roles in muscle contraction, cell motility, and organelle transport. The head domain is a molecular motor, which utilizes ATP hydrolysis to generate directed movement toward the plus end along actin filaments. A cyclical interaction between myosin and actin provides the driving force. Rates of ATP hydrolysis and consequently the speed of movement along actin filaments vary widely, from about 0.04 micrometer per second for myosin I to 4.5 micrometer per second for myosin II in skeletal muscle. Myosin II moves in discrete steps about 5-10 nm long and generates 1-5 picon
Probab=99.96 E-value=1.5e-30 Score=199.61 Aligned_cols=81 Identities=44% Similarity=0.753 Sum_probs=79.0
Q ss_pred hccccccCCCchhhhHhhhhhhHHHHHHHHHHHHHHHHHhhhcCCccccccc-CChHHHHHHHhcCCCcccccchhhhhc
Q psy6805 4 LKESVKETTNVFEQLCINYANEHLQYYFNQHVFQYEQEEYNKEGIRWRHIEF-SDNTLCLQLVEGKPNGLLCVLDDQANS 82 (86)
Q Consensus 4 ~~~f~~~~~N~feql~iN~~nE~l~~~~~~~~f~~~~~~y~~Egi~~~~i~~-~dn~~~l~li~~~p~Gll~lLDee~~~ 82 (86)
.||||.|..|||||||||||||+||++|++++|+.++++|.+|||.|..++| .||++|++||+++|.|||++|||||++
T Consensus 381 IfGFE~f~~NsfEQLcINyaNEkLQ~~f~~~vf~~eq~~Y~~EgI~~~~i~~~~dn~~~ldLie~~~~Gil~lLdee~~~ 460 (693)
T cd01377 381 IAGFEIFDFNSFEQLCINYTNEKLQQFFNHHMFVLEQEEYQREGIEWTFIDFGLDLQPTIDLIEKNPMGILSLLDEECVF 460 (693)
T ss_pred cccccccCCCCHHHHHHHHhHHHHHHHHHHHHHHHHHHHHHHhCCCCcccccCCCcHHHHHHHhcCCCchHhhhhHHhcC
Confidence 6999999999999999999999999999999999999999999999999999 599999999999999999999999999
Q ss_pred cc
Q psy6805 83 VL 84 (86)
Q Consensus 83 P~ 84 (86)
|+
T Consensus 461 ~~ 462 (693)
T cd01377 461 PK 462 (693)
T ss_pred CC
Confidence 86
Myosin II mediates cortical contraction in cell motility, and is the motor in smooth and skeletal muscle. This catalytic (head) domain has ATPase activity and belongs to the larger group of P-loop NTPases. Myosins are actin-dependent molecular motors that play important roles in muscle contraction, cell motility, and organelle transport. The head domain is a molecular motor, which utilizes ATP hydrolysis to generate directed movement toward the plus end along actin filaments. A cyclical interaction between myosin and actin provides the driving force. Rates of ATP hydrolysis and consequently the speed of movement along actin filaments vary widely, from about 0.04 micrometer per second for myosin I to 4.5 micrometer per second for myosin II in skeletal muscle. Myosin II moves in discrete steps about 5-10 nm long and generates 1-5 piconewtons of force. Upon ATP binding, the myosin head dissociates from an actin filament. ATP hydro
>cd01380 MYSc_type_V Myosin motor domain, type V myosins
Probab=99.96 E-value=2.5e-30 Score=198.40 Aligned_cols=80 Identities=50% Similarity=0.815 Sum_probs=78.0
Q ss_pred hccccccCCCchhhhHhhhhhhHHHHHHHHHHHHHHHHHhhhcCCcccccccCChHHHHHHHhcCCCcccccchhhhhcc
Q psy6805 4 LKESVKETTNVFEQLCINYANEHLQYYFNQHVFQYEQEEYNKEGIRWRHIEFSDNTLCLQLVEGKPNGLLCVLDDQANSV 83 (86)
Q Consensus 4 ~~~f~~~~~N~feql~iN~~nE~l~~~~~~~~f~~~~~~y~~Egi~~~~i~~~dn~~~l~li~~~p~Gll~lLDee~~~P 83 (86)
.||||.|..|||||||||||||+||++|++++|..++++|.+|||+|..++|.||++|+|||++ |.|||++|||||++|
T Consensus 375 I~GFE~f~~NsfEQLcINyaNEkLQ~~f~~~iF~~eq~~Y~~EgI~~~~i~f~DN~~~ldLie~-~~Gil~lLdee~~~p 453 (691)
T cd01380 375 IYGFETFEKNSFEQFCINYANEKLQQQFNQHVFKLEQEEYLKEGIEWTFIDFYDNQPCIDLIES-KLGILSLLDEECRLP 453 (691)
T ss_pred cCcccccCCCCHHHHhhhhhhHHHHHHHHHHHHHHHHHHHHhcCCCCccccCCCCHHHHHHHhC-CCchHHHhHHhhcCC
Confidence 6999999999999999999999999999999999999999999999999999999999999997 699999999999998
Q ss_pred c
Q psy6805 84 L 84 (86)
Q Consensus 84 ~ 84 (86)
+
T Consensus 454 ~ 454 (691)
T cd01380 454 K 454 (691)
T ss_pred C
Confidence 6
Myosins V transport a variety of intracellular cargo processively along actin filaments, such as membraneous organelles and mRNA. This catalytic (head) domain has ATPase activity and belongs to the larger group of P-loop NTPases. Myosins are actin-dependent molecular motors that play important roles in muscle contraction, cell motility, and organelle transport. The head domain is a molecular motor, which utilizes ATP hydrolysis to generate directed movement toward the plus end along actin filaments. A cyclical interaction between myosin and actin provides the driving force. Rates of ATP hydrolysis and consequently the speed of movement along actin filaments vary widely, from about 0.04 micrometer per second for myosin I to 4.5 micrometer per second for myosin II in skeletal muscle. Myosin II moves in discrete steps about 5-10 nm long and generates 1-5 piconewtons of force. Upon ATP binding, the myosin head dissociates from an act
Probab=99.96 E-value=5.1e-30 Score=196.36 Aligned_cols=81 Identities=52% Similarity=0.878 Sum_probs=79.5
Q ss_pred hccccccCCCchhhhHhhhhhhHHHHHHHHHHHHHHHHHhhhcCCcccccccCChHHHHHHHhcCCCcccccchhhhhcc
Q psy6805 4 LKESVKETTNVFEQLCINYANEHLQYYFNQHVFQYEQEEYNKEGIRWRHIEFSDNTLCLQLVEGKPNGLLCVLDDQANSV 83 (86)
Q Consensus 4 ~~~f~~~~~N~feql~iN~~nE~l~~~~~~~~f~~~~~~y~~Egi~~~~i~~~dn~~~l~li~~~p~Gll~lLDee~~~P 83 (86)
.||||.|..||||||||||||||||++|++++|..++++|.+|||.|+.++|.||++|++||+++|.||+++|||||++|
T Consensus 376 ifGFE~f~~NsfEQLcINyaNEkLq~~f~~~~f~~eq~~y~~EgI~~~~i~~~dN~~~l~li~~~~~Gil~lLdee~~~~ 455 (677)
T smart00242 376 IYGFEIFEVNSFEQLCINYANEKLQQFFNQHVFKLEQEEYEREGIDWTFIDFFDNQDCIDLIEKKPPGILSLLDEECRFP 455 (677)
T ss_pred cccccccccCCHHHHHhHhhHHHHHHHHHHHHHHHHHHHHHhcCCCCCCCCCCCcHHHHHHHHcCCccHHHHHHHHhcCC
Confidence 68999999999999999999999999999999999999999999999999999999999999999999999999999998
Q ss_pred c
Q psy6805 84 L 84 (86)
Q Consensus 84 ~ 84 (86)
+
T Consensus 456 ~ 456 (677)
T smart00242 456 K 456 (677)
T ss_pred C
Confidence 5
Large ATPases. ATPase; molecular motor. Muscle contraction consists of a cyclical interaction between myosin and actin. The core of the myosin structure is similar in fold to that of kinesin.
Probab=99.96 E-value=1.6e-29 Score=193.63 Aligned_cols=81 Identities=52% Similarity=0.841 Sum_probs=79.5
Q ss_pred hccccccCCCchhhhHhhhhhhHHHHHHHHHHHHHHHHHhhhcCCcccccccCChHHHHHHHhcCCCcccccchhhhhcc
Q psy6805 4 LKESVKETTNVFEQLCINYANEHLQYYFNQHVFQYEQEEYNKEGIRWRHIEFSDNTLCLQLVEGKPNGLLCVLDDQANSV 83 (86)
Q Consensus 4 ~~~f~~~~~N~feql~iN~~nE~l~~~~~~~~f~~~~~~y~~Egi~~~~i~~~dn~~~l~li~~~p~Gll~lLDee~~~P 83 (86)
.||||.+..|||||||||||||+||++|++++|..++++|..|||.|..++|.||++|+|||+++|.||+++|||||++|
T Consensus 369 i~GFE~f~~NsfEQLcINy~NEkLq~~f~~~~f~~eq~~y~~EgI~~~~i~~~dn~~~ldli~~~~~Gi~~lLdee~~~~ 448 (679)
T cd00124 369 IFGFEIFEKNSFEQLCINYANEKLQQFFNQHVFKLEQEEYQEEGIDWESIDFTDNQEVIDLIEKKPGGLLSLLDEECLFP 448 (679)
T ss_pred ccccccCCCCCHHHHhcccchHHHHHHHHHHHHHHHHHHHHhcCCCccCCcCCCCHHHHHHHhcCCCcHHHHHHHHhCCC
Confidence 68999999999999999999999999999999999999999999999999999999999999999999999999999998
Q ss_pred c
Q psy6805 84 L 84 (86)
Q Consensus 84 ~ 84 (86)
+
T Consensus 449 ~ 449 (679)
T cd00124 449 K 449 (679)
T ss_pred C
Confidence 5
This catalytic (head) domain has ATPase activity and belongs to the larger group of P-loop NTPases. Myosins are actin-dependent molecular motors that play important roles in muscle contraction, cell motility, and organelle transport. The head domain is a molecular motor, which utilizes ATP hydrolysis to generate directed movement toward the plus end along actin filaments. A cyclical interaction between myosin and actin provides the driving force. Rates of ATP hydrolysis and consequently the speed of movement along actin filaments vary widely, from about 0.04 micrometer per second for myosin I to 4.5 micrometer per second for myosin II in skeletal muscle. Myosin II moves in discrete steps about 5-10 nm long and generates 1-5 piconewtons of force. Upon ATP binding, the myosin head dissociates from an actin filament. ATP hydrolysis causes the head to pivot and associate with a new actin subunit. The release of Pi causes the head to pivot and move the fila
>PF00063 Myosin_head: Myosin head (motor domain); InterPro: IPR001609 Muscle contraction is caused by sliding between the thick and thin filaments of the myofibril
Probab=99.95 E-value=2.2e-28 Score=187.21 Aligned_cols=81 Identities=52% Similarity=0.894 Sum_probs=73.5
Q ss_pred hccccccCCCchhhhHhhhhhhHHHHHHHHHHHHHHHHHhhhcCCccccccc-CChHHHHHHHhcCCCcccccchhhhhc
Q psy6805 4 LKESVKETTNVFEQLCINYANEHLQYYFNQHVFQYEQEEYNKEGIRWRHIEF-SDNTLCLQLVEGKPNGLLCVLDDQANS 82 (86)
Q Consensus 4 ~~~f~~~~~N~feql~iN~~nE~l~~~~~~~~f~~~~~~y~~Egi~~~~i~~-~dn~~~l~li~~~p~Gll~lLDee~~~ 82 (86)
.||||.+..|+||||||||||||||++|++++|..++++|.+|||.|+.++| .||++|+|||+++|.|||++|||||++
T Consensus 371 i~GFE~~~~N~fEQLciNyanErLq~~f~~~~f~~e~~~y~~EgI~~~~i~~~~dn~~~ldLi~~~~~Gil~lLdee~~~ 450 (689)
T PF00063_consen 371 IFGFENFSVNSFEQLCINYANERLQQFFNQHIFKSEQEEYKEEGIDWPFIDFNPDNQPCLDLIEKKPKGILSLLDEECLL 450 (689)
T ss_dssp EE-B---SSB-HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHTTSSCSCS-GCGHHHHHHHHHHSSTTSHHHHHHHHCTS
T ss_pred ccccccccccccccceeeeccccccceeeeecccccccccccccccccccccccCchhhhhhhccccCCHHHHhhhhhhc
Confidence 5899999999999999999999999999999999999999999999999999 999999999999999999999999999
Q ss_pred cc
Q psy6805 83 VL 84 (86)
Q Consensus 83 P~ 84 (86)
|+
T Consensus 451 ~~ 452 (689)
T PF00063_consen 451 PR 452 (689)
T ss_dssp TT
T ss_pred cc
Confidence 96
Myosin is a major component of thick filaments and exists as a hexamer of 2 heavy chains [], 2 alkali light chains, and 2 regulatory light chains. The heavy chain can be subdivided into the N-terminal globular head and the C-terminal coiled-coil rod-like tail, although some forms have a globular region in their C-terminal. There are many cell-specific isoforms of myosin heavy chains, coded for by a multi-gene family []. Myosin interacts with actin to convert chemical energy, in the form of ATP, to mechanical energy []. The 3-D structure of the head portion of myosin has been determined [] and a model for actin-myosin complex has been constructed []. The globular head is well conserved, some highly-conserved regions possibly relating to functional and structural domains []. The rod-like tail starts with an invariant proline residue, and contains many repeats of a 28 residue region, interrupted at 4 regularly-spaced points known as skip residues. Although the sequence of the tail is not well conserved, the chemical character is, hydrophobic, charged and skip residues occuring in a highly ordered and repeated fashion [].; GO: 0003774 motor activity, 0005524 ATP binding, 0016459 myosin complex; PDB: 1LKX_A 2V26_A 2BKI_A 3L9I_A 2BKH_A 2X51_A 2VB6_A 2VAS_A 1OE9_A 1W8J_A ....
>cd01386 MYSc_type_XVIII Myosin motor domain, type XVIII myosins
This catalytic (head) domain has ATPase activity and belongs to the larger group of P-loop NTPases. Myosins are actin-dependent molecular motors that play important roles in muscle contraction, cell motility, and organelle transport. The head domain is a molecular motor, which utilizes ATP hydrolysis to generate directed movement toward the plus end along actin filaments. A cyclical interaction between myosin and actin provides the driving force. Rates of ATP hydrolysis and consequently the speed of movement along actin filaments vary widely, from about 0.04 micrometer per second for myosin I to 4.5 micrometer per second for myosin II in skeletal muscle. Myosin II moves in discrete steps about 5-10 nm long and generates 1-5 piconewtons of force. Upon ATP binding, the myosin head dissociates from an actin filament. ATP hydrolysis causes the head to pivot and associate with a new actin subunit. The release of Pi causes the
Structure Of The Actin-Tropomyosin-Myosin Complex (
6e-12
>pdb|2OS8|A Chain A, Rigor-Like Structures Of Muscle Myosins Reveal Key Mechanical Elements In The Transduction Pathways Of This Allosteric Motor Length = 840
>pdb|1QVI|A Chain A, Crystal Structure Of Scallop Myosin S1 In The Pre-Power Stroke State To 2.6 Angstrom Resolution: Flexibility And Function In The Head Length = 840
>pdb|1MMG|A Chain A, X-Ray Structures Of The Mgadp, Mgatpgammas, And Mgamppnp Complexes Of The Dictyostelium Discoideum Myosin Motor Domain Length = 762
>pdb|1MMN|A Chain A, X-Ray Structures Of The Mgadp, Mgatpgammas, And Mgamppnp Complexes Of The Dictyostelium Discoideum Myosin Motor Domain Length = 762
>pdb|2AKA|A Chain A, Structure Of The Nucleotide-Free Myosin Ii Motor Domain From Dictyostelium Discoideum Fused To The Gtpase Domain Of Dynamin 1 From Rattus Norvegicus Length = 776
>pdb|2Y0R|X Chain X, Structural Basis For The Allosteric Interference Of Myosin Function By Mutants G680a And G680v Of Dictyostelium Myosin-2 Length = 758
>pdb|2Y9E|X Chain X, Structural Basis For The Allosteric Interference Of Myosin Function By Mutants G680a And G680v Of Dictyostelium Myosin-2 Length = 758
>pdb|1MMA|A Chain A, X-Ray Structures Of The Mgadp, Mgatpgammas, And Mgamppnp Complexes Of The Dictyostelium Discoideum Myosin Motor Domain Length = 762
>pdb|3MYH|X Chain X, Insights Into The Importance Of Hydrogen Bonding In The Gamma- Phosphate Binding Pocket Of Myosin: Structural And Functional Studies Of Ser236 Length = 762
>pdb|1LVK|A Chain A, X-Ray Crystal Structure Of The Mg (Dot) 2'(3')-O-(N- Methylanthraniloyl) Nucleotide Bound To Dictyostelium Discoideum Myosin Motor Domain Length = 762
>pdb|1I84|S Chain S, Cryo-Em Structure Of The Heavy Meromyosin Subfragment Of Chicken Gizzard Smooth Muscle Myosin With Regulatory Light Chain In The Dephosphorylated State. Only C Alphas Provided For Regulatory Light Chain. Only Backbone Atoms Provided For S2 Fragment. Length = 1184
>pdb|3J04|A Chain A, Em Structure Of The Heavy Meromyosin Subfragment Of Chick Smooth Muscle Myosin With Regulatory Light Chain In Phosphorylated State Length = 909
>1g8x_A Myosin II heavy chain fused to alpha-actinin 3; motor, lever ARM, protein engineering, structural protein; HET: ADP; 2.80A {Dictyostelium discoideum} SCOP: k.1.1.1
