Citrus Sinensis ID: 034810


Local Sequence Feature Prediction

Prediction and (Method)Result
Residue Number Marker
Protein Sequence ?
Secondary Structure (PSIPRED) ?
Secondary Structure Prediction (SSPRO) ?
Coil and Loop (DISEMBL) ?
Flexible Loop (DISEMBL) ?
Low Complexity Region (SEG) ?
Disordered region (IsUnstruct) ?
Disordered Region (DISOPRED) ?
Disordered Region (DISEMBL) ?
Disordered Region (DISPRO) ?
Transmembrane Helix (TMHMM) ?
Transmembrane Helix (HMMTOP) ?
Transmembrane Helix (MEMSAT) ?
TM Helix, Signal Peptide (MEMSAT_SVM) ?
TM Helix, Signal Peptide (Phobius) ?
Signal Peptide (SignalP HMM Mode) ?
Signal Peptide (SignalP NN Mode) ?
Coiled Coils (COILS) ?
Positional Conservation ?
 
--------10--------20--------30--------40--------50--------60--------70--------80--
MQNEEGQNMDLYIPRKCSATNRLITSKDHAAVQINIGHVDADGIYTGQFSTFALCGFVRAQGDGDSALDRLWQKKKAEVRQQ
ccccccccEEEEccccccccccccccccccEEEEEEEEEccccEEEccEEEEEEcHHHHHccccHHHHHHHHHHHHHHHHcc
cccccccEEEEEEcccccccccEEEcccccEEEEEEEEEccccccccccEEEEEEHHHHHccccHHHHHHHHHHcccccccc
mqneegqnmdlyiprkcsatnrlitskdhaAVQINIghvdadgiytgqfSTFALCGFvraqgdgdsALDRLWQKKKAEVRQQ
mqneegqnmdlyiPRKCSATNRLITSKDHAAVQINIGHVDADGIYTGQFSTFALCGFVRAQGDGDSALDRLWQKkkaevrqq
MQNEEGQNMDLYIPRKCSATNRLITSKDHAAVQINIGHVDADGIYTGQFSTFALCGFVRAQGDGDSALDRLWQKKKAEVRQQ
**********LYIPRKCSATNRLITSKDHAAVQINIGHVDADGIYTGQFSTFALCGFVRAQGD*******************
****EGQNMDLYIPRKCSATNRLITSKDHAAVQINIGHVDADGIYTGQFSTFALCGFVRAQGDGDSALDRLWQK********
********MDLYIPRKCSATNRLITSKDHAAVQINIGHVDADGIYTGQFSTFALCGFVRAQGDGDSALDRLWQ*********
*****GQNMDLYIPRKCSATNRLITSKDHAAVQINIGHVDADGIYTGQFSTFALCGFVRAQGDGDSALDRLWQKKKA*****
iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo
iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiihhhhhhhhhhhhhhhhhhhooo
ooooooooooooooooooooooooooooooooooooooooooooohhhhhhhhhhhhhhhhiiiiiiiiiiiiiiiiiiiii
oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo
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MQNEEGQNMDLYIPRKCSATNRLITSKDHAAVQINIGHVDADGIYTGQFSTFALCGFVRAQGDGDSALDRLWQKKKAEVRQQ
no confident homologs detected

Close Homologs for Annotation Transfer

Close Homologs in SWISS-PROT Database Detected by BLAST ?

ID ?Alignment graph ?Length ? Definition ? RBH(Q2H) ? RBH(H2Q) ? Q cover ? H cover ? Identity ? E-value ?
Query82 2.2.26 [Sep-21-2011]
Q3E90282 40S ribosomal protein S21 yes no 0.987 0.987 0.814 6e-36
P3568782 40S ribosomal protein S21 yes no 1.0 1.0 0.792 2e-35
Q4185281 40S ribosomal protein S21 N/A no 0.987 1.0 0.777 5e-35
Q9M33782 40S ribosomal protein S21 yes no 1.0 1.0 0.768 1e-34
Q9SMI282 40S ribosomal protein S21 N/A no 0.902 0.902 0.693 4e-26
Q54BN478 40S ribosomal protein S21 yes no 0.865 0.910 0.647 4e-23
Q4WI0188 40S ribosomal protein S21 yes no 0.902 0.840 0.581 4e-22
Q6CXT687 40S ribosomal protein S21 yes no 0.902 0.850 0.533 3e-19
Q75BL687 40S ribosomal protein S21 yes no 0.902 0.850 0.546 4e-19
Q86CT385 40S ribosomal protein S21 N/A no 0.926 0.894 0.545 5e-19
>sp|Q3E902|RS212_ARATH 40S ribosomal protein S21-2 OS=Arabidopsis thaliana GN=RPS21C PE=3 SV=2 Back     alignment and function desciption
 Score =  149 bits (375), Expect = 6e-36,   Method: Compositional matrix adjust.
 Identities = 66/81 (81%), Positives = 75/81 (92%)

Query: 1  MQNEEGQNMDLYIPRKCSATNRLITSKDHAAVQINIGHVDADGIYTGQFSTFALCGFVRA 60
          MQNEEGQ  +LYIPRKCSATNRLITSKDHA+VQ+NIGH+DA+G+YTGQF+TFALCGFVRA
Sbjct: 1  MQNEEGQVTELYIPRKCSATNRLITSKDHASVQLNIGHLDANGLYTGQFTTFALCGFVRA 60

Query: 61 QGDGDSALDRLWQKKKAEVRQ 81
          QGD DS +DRLWQKKK E +Q
Sbjct: 61 QGDADSGVDRLWQKKKVEAKQ 81





Arabidopsis thaliana (taxid: 3702)
>sp|P35687|RS21_ORYSJ 40S ribosomal protein S21 OS=Oryza sativa subsp. japonica GN=RPS21 PE=3 SV=1 Back     alignment and function description
>sp|Q41852|RS21_MAIZE 40S ribosomal protein S21 OS=Zea mays GN=RPS21 PE=3 SV=1 Back     alignment and function description
>sp|Q9M337|RS211_ARATH 40S ribosomal protein S21-1 OS=Arabidopsis thaliana GN=RPS21B PE=2 SV=1 Back     alignment and function description
>sp|Q9SMI2|RS21_CYAPA 40S ribosomal protein S21 OS=Cyanophora paradoxa GN=RPS21 PE=3 SV=1 Back     alignment and function description
>sp|Q54BN4|RS21_DICDI 40S ribosomal protein S21 OS=Dictyostelium discoideum GN=rps21 PE=3 SV=1 Back     alignment and function description
>sp|Q4WI01|RS21_ASPFU 40S ribosomal protein S21 OS=Neosartorya fumigata (strain ATCC MYA-4609 / Af293 / CBS 101355 / FGSC A1100) GN=rps21 PE=3 SV=1 Back     alignment and function description
>sp|Q6CXT6|RS21_KLULA 40S ribosomal protein S21 OS=Kluyveromyces lactis (strain ATCC 8585 / CBS 2359 / DSM 70799 / NBRC 1267 / NRRL Y-1140 / WM37) GN=RPS21 PE=3 SV=1 Back     alignment and function description
>sp|Q75BL6|RS21_ASHGO 40S ribosomal protein S21 OS=Ashbya gossypii (strain ATCC 10895 / CBS 109.51 / FGSC 9923 / NRRL Y-1056) GN=RPS21 PE=3 SV=1 Back     alignment and function description
>sp|Q86CT3|RS21_BRABE 40S ribosomal protein S21 OS=Branchiostoma belcheri GN=RPS21 PE=3 SV=1 Back     alignment and function description

Close Homologs in the Non-Redundant Database Detected by BLAST ?

GI ?Alignment Graph ?Length ? Definition ? Q cover ? H cover ? Identity ? E-value ?
Query82
22543230682 PREDICTED: 40S ribosomal protein S21-2 i 1.0 1.0 0.914 7e-39
22545076582 PREDICTED: 40S ribosomal protein S21 iso 1.0 1.0 0.914 1e-38
14777829682 hypothetical protein VITISV_033219 [Viti 1.0 1.0 0.902 2e-38
25554272282 40S ribosomal protein S21e, putative [Ri 1.0 1.0 0.902 5e-38
22412308482 predicted protein [Populus trichocarpa] 1.0 1.0 0.890 1e-37
33031859482 40S ribosomal protein s21e [Camellia sin 1.0 1.0 0.865 2e-37
11848408282 unknown [Populus trichocarpa] 1.0 1.0 0.878 3e-37
25781560682 putative 40S ribosomal protein S21e [Jat 1.0 1.0 0.878 9e-37
44945067882 PREDICTED: 40S ribosomal protein S21-2-l 1.0 1.0 0.878 9e-37
44952925482 PREDICTED: 40S ribosomal protein S21-2-l 1.0 1.0 0.865 2e-36
>gi|225432306|ref|XP_002273516.1| PREDICTED: 40S ribosomal protein S21-2 isoform 1 [Vitis vinifera] gi|147862660|emb|CAN83594.1| hypothetical protein VITISV_037724 [Vitis vinifera] gi|297736874|emb|CBI26075.3| unnamed protein product [Vitis vinifera] Back     alignment and taxonomy information
 Score =  164 bits (414), Expect = 7e-39,   Method: Compositional matrix adjust.
 Identities = 75/82 (91%), Positives = 79/82 (96%)

Query: 1  MQNEEGQNMDLYIPRKCSATNRLITSKDHAAVQINIGHVDADGIYTGQFSTFALCGFVRA 60
          MQNEEGQNMDLYIPRKCSATNRLITSKDHA+VQINIGHVD DG++TGQFSTFALCGFVRA
Sbjct: 1  MQNEEGQNMDLYIPRKCSATNRLITSKDHASVQINIGHVDEDGVFTGQFSTFALCGFVRA 60

Query: 61 QGDGDSALDRLWQKKKAEVRQQ 82
          QGD DSA+DRLWQKKKAEVRQ 
Sbjct: 61 QGDADSAVDRLWQKKKAEVRQH 82




Source: Vitis vinifera

Species: Vitis vinifera

Genus: Vitis

Family: Vitaceae

Order: Vitales

Class:

Phylum: Streptophyta

Superkingdom: Eukaryota

>gi|225450765|ref|XP_002283649.1| PREDICTED: 40S ribosomal protein S21 isoform 1 [Vitis vinifera] gi|296089706|emb|CBI39525.3| unnamed protein product [Vitis vinifera] Back     alignment and taxonomy information
>gi|147778296|emb|CAN60816.1| hypothetical protein VITISV_033219 [Vitis vinifera] Back     alignment and taxonomy information
>gi|255542722|ref|XP_002512424.1| 40S ribosomal protein S21e, putative [Ricinus communis] gi|223548385|gb|EEF49876.1| 40S ribosomal protein S21e, putative [Ricinus communis] gi|313586443|gb|ADR71232.1| 40S ribosomal protein S21A [Hevea brasiliensis] Back     alignment and taxonomy information
>gi|224123084|ref|XP_002318991.1| predicted protein [Populus trichocarpa] gi|224123806|ref|XP_002330213.1| predicted protein [Populus trichocarpa] gi|118484150|gb|ABK93958.1| unknown [Populus trichocarpa] gi|118484444|gb|ABK94098.1| unknown [Populus trichocarpa] gi|118484720|gb|ABK94229.1| unknown [Populus trichocarpa] gi|222857367|gb|EEE94914.1| predicted protein [Populus trichocarpa] gi|222871669|gb|EEF08800.1| predicted protein [Populus trichocarpa] Back     alignment and taxonomy information
>gi|330318594|gb|AEC10964.1| 40S ribosomal protein s21e [Camellia sinensis] Back     alignment and taxonomy information
>gi|118484082|gb|ABK93926.1| unknown [Populus trichocarpa] Back     alignment and taxonomy information
>gi|257815606|gb|ACV70141.1| putative 40S ribosomal protein S21e [Jatropha curcas] gi|284520990|gb|ADB93070.1| 40S ribosomal protein S-21e, putative [Jatropha curcas] Back     alignment and taxonomy information
>gi|449450678|ref|XP_004143089.1| PREDICTED: 40S ribosomal protein S21-2-like [Cucumis sativus] Back     alignment and taxonomy information
>gi|449529254|ref|XP_004171616.1| PREDICTED: 40S ribosomal protein S21-2-like isoform 2 [Cucumis sativus] Back     alignment and taxonomy information

Prediction of Gene Ontology (GO) Terms

Close Homologs with Gene Ontology terms Detected by BLAST ?

ID ? Alignment graph ? Length ? Definition ? Q cover ? H cover ? Identity ? E-value ?
Query82
TAIR|locus:218027582 AT5G27700 "AT5G27700" [Arabido 0.987 0.987 0.814 1.5e-33
UNIPROTKB|P3568782 RPS21 "40S ribosomal protein S 1.0 1.0 0.792 3.2e-33
TAIR|locus:208451582 AT3G53890 "AT3G53890" [Arabido 1.0 1.0 0.768 1.4e-32
UNIPROTKB|Q60DM0119 OSJNBb0036M02.11 "40S ribosoma 0.963 0.663 0.772 3.3e-31
UNIPROTKB|A8IXG382 RPS21 "40S ribosomal protein S 0.951 0.951 0.666 6.6e-26
ASPGD|ASPL000000979188 AN3823 [Emericella nidulans (t 0.902 0.840 0.608 4.3e-22
UNIPROTKB|Q5B6K788 AN3823.2 "40S ribosomal protei 0.902 0.840 0.608 4.3e-22
DICTYBASE|DDB_G029370078 rps21 "40S ribosomal protein S 0.865 0.910 0.647 9e-22
UNIPROTKB|G4MMG387 MGG_06837 "40S ribosomal prote 0.902 0.850 0.573 2.5e-19
GENEDB_PFALCIPARUM|PF11_045482 PF11_0454 "Ribosomal protein, 0.926 0.926 0.552 8.3e-19
TAIR|locus:2180275 AT5G27700 "AT5G27700" [Arabidopsis thaliana (taxid:3702)] Back     alignment and assigned GO terms
 Score = 365 (133.5 bits), Expect = 1.5e-33, P = 1.5e-33
 Identities = 66/81 (81%), Positives = 75/81 (92%)

Query:     1 MQNEEGQNMDLYIPRKCSATNRLITSKDHAAVQINIGHVDADGIYTGQFSTFALCGFVRA 60
             MQNEEGQ  +LYIPRKCSATNRLITSKDHA+VQ+NIGH+DA+G+YTGQF+TFALCGFVRA
Sbjct:     1 MQNEEGQVTELYIPRKCSATNRLITSKDHASVQLNIGHLDANGLYTGQFTTFALCGFVRA 60

Query:    61 QGDGDSALDRLWQKKKAEVRQ 81
             QGD DS +DRLWQKKK E +Q
Sbjct:    61 QGDADSGVDRLWQKKKVEAKQ 81




GO:0000447 "endonucleolytic cleavage in ITS1 to separate SSU-rRNA from 5.8S rRNA and LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)" evidence=IBA
GO:0000461 "endonucleolytic cleavage to generate mature 3'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA)" evidence=IBA
GO:0003735 "structural constituent of ribosome" evidence=IEA;ISS;IBA
GO:0005622 "intracellular" evidence=IEA
GO:0005737 "cytoplasm" evidence=ISM
GO:0005840 "ribosome" evidence=IEA;ISS
GO:0006412 "translation" evidence=IEA;ISS
GO:0006414 "translational elongation" evidence=IBA
GO:0042254 "ribosome biogenesis" evidence=ISS
GO:0042274 "ribosomal small subunit biogenesis" evidence=IBA
GO:0022627 "cytosolic small ribosomal subunit" evidence=IDA
GO:0009664 "plant-type cell wall organization" evidence=RCA
GO:0016925 "protein sumoylation" evidence=RCA
GO:0042545 "cell wall modification" evidence=RCA
UNIPROTKB|P35687 RPS21 "40S ribosomal protein S21" [Oryza sativa Japonica Group (taxid:39947)] Back     alignment and assigned GO terms
TAIR|locus:2084515 AT3G53890 "AT3G53890" [Arabidopsis thaliana (taxid:3702)] Back     alignment and assigned GO terms
UNIPROTKB|Q60DM0 OSJNBb0036M02.11 "40S ribosomal protein S21, putative, expressed" [Oryza sativa Japonica Group (taxid:39947)] Back     alignment and assigned GO terms
UNIPROTKB|A8IXG3 RPS21 "40S ribosomal protein S21" [Chlamydomonas reinhardtii (taxid:3055)] Back     alignment and assigned GO terms
ASPGD|ASPL0000009791 AN3823 [Emericella nidulans (taxid:162425)] Back     alignment and assigned GO terms
UNIPROTKB|Q5B6K7 AN3823.2 "40S ribosomal protein S21" [Aspergillus nidulans FGSC A4 (taxid:227321)] Back     alignment and assigned GO terms
DICTYBASE|DDB_G0293700 rps21 "40S ribosomal protein S21" [Dictyostelium discoideum (taxid:44689)] Back     alignment and assigned GO terms
UNIPROTKB|G4MMG3 MGG_06837 "40S ribosomal protein S21" [Magnaporthe oryzae 70-15 (taxid:242507)] Back     alignment and assigned GO terms
GENEDB_PFALCIPARUM|PF11_0454 PF11_0454 "Ribosomal protein, 40S subunit, putative" [Plasmodium falciparum (taxid:5833)] Back     alignment and assigned GO terms

Prediction of Enzyme Commission (EC) Number

EC Number Prediction by Annotation Transfer from SWISS-PROT Entries ?

ID ?Name ?Annotated EC number ?Identity ?Query coverage ?Hit coverage ?RBH(Q2H) ?RBH(H2Q) ?
Q3E902RS212_ARATHNo assigned EC number0.81480.98780.9878yesno
P0C0V8RS21A_YEASTNo assigned EC number0.52700.89020.8390yesno
P35687RS21_ORYSJNo assigned EC number0.79261.01.0yesno
Q90YQ2RS21_ICTPUNo assigned EC number0.54050.89020.8795N/Ano
Q32PB8RS21_BOVINNo assigned EC number0.50.89020.8795yesno
Q9SMI2RS21_CYAPANo assigned EC number0.69330.90240.9024N/Ano
Q75BL6RS21_ASHGONo assigned EC number0.54660.90240.8505yesno
Q6DDC6RS21_XENTRNo assigned EC number0.50.89020.8795yesno
Q4WI01RS21_ASPFUNo assigned EC number0.58100.90240.8409yesno
Q3E754RS21B_YEASTNo assigned EC number0.52700.89020.8390yesno
Q54BN4RS21_DICDINo assigned EC number0.64780.86580.9102yesno
Q6FMF8RS21_CANGANo assigned EC number0.56750.89020.8390yesno
Q7ZUG5RS21_DANRENo assigned EC number0.54050.89020.9012yesno
Q9P844RS21_CANAXNo assigned EC number0.54660.90240.8505N/Ano
Q29KF5RS21_DROPSNo assigned EC number0.49330.90240.8915yesno
Q4KTC0RS21_SUBDONo assigned EC number0.520.90240.8604N/Ano
Q6CXT6RS21_KLULANo assigned EC number0.53330.90240.8505yesno
P49197RS21_CAEELNo assigned EC number0.47360.90240.8409yesno
P05764RS21_SCHPONo assigned EC number0.56940.86580.8160yesno
P05765RS21_RATNo assigned EC number0.48640.89020.8795yesno
O93798RS21_NEUCRNo assigned EC number0.520.90240.8505N/Ano
P63221RS21_PIGNo assigned EC number0.50.89020.8795yesno
Q86CT3RS21_BRABENo assigned EC number0.54540.92680.8941N/Ano
Q41852RS21_MAIZENo assigned EC number0.77770.98781.0N/Ano
O76927RS21_DROMENo assigned EC number0.49330.90240.8915yesno
Q9CQR2RS21_MOUSENo assigned EC number0.48640.89020.8795yesno
P63220RS21_HUMANNo assigned EC number0.50.89020.8795yesno
Q9M337RS211_ARATHNo assigned EC number0.76821.01.0yesno
Q6RF66RS21_PECGUNo assigned EC number0.50640.92680.8941N/Ano

EC Number Prediction by Ezypred Server ?

Fail to connect to Ezypred Server

EC Number Prediction by EFICAz Software ?

No EC number assignment, probably not an enzyme!


Prediction of Functionally Associated Proteins

Functionally Associated Proteins Detected by STRING ?

Fail to connect to STRING server


Conserved Domains and Related Protein Families

Conserved Domains Detected by RPS-BLAST ?

ID ?Alignment Graph ?Length ? Definition ? E-value ?
Query82
pfam0124981 pfam01249, Ribosomal_S21e, Ribosomal protein S21e 5e-49
>gnl|CDD|189907 pfam01249, Ribosomal_S21e, Ribosomal protein S21e Back     alignment and domain information
 Score =  148 bits (377), Expect = 5e-49
 Identities = 48/81 (59%), Positives = 62/81 (76%)

Query: 1  MQNEEGQNMDLYIPRKCSATNRLITSKDHAAVQINIGHVDADGIYTGQFSTFALCGFVRA 60
          MQN+ G+ +DLYIPRKCSATNR+I +KDHA+VQINI  VD +G YTG+F+T+ALCG++R 
Sbjct: 1  MQNDAGEIVDLYIPRKCSATNRIIGAKDHASVQINIADVDENGRYTGEFTTYALCGYIRR 60

Query: 61 QGDGDSALDRLWQKKKAEVRQ 81
           G+ D AL+RL QK       
Sbjct: 61 MGESDDALNRLAQKDGLLPGN 81


Length = 81

Conserved Domains Detected by HHsearch ?

ID ?Alignment Graph ?Length ? Definition ? Probability ?
Query 82
PF0124981 Ribosomal_S21e: Ribosomal protein S21e ; InterPro: 100.0
KOG348683 consensus 40S ribosomal protein S21 [Translation, 100.0
>PF01249 Ribosomal_S21e: Ribosomal protein S21e ; InterPro: IPR001931 Ribosomes are the particles that catalyse mRNA-directed protein synthesis in all organisms Back     alignment and domain information
Probab=100.00  E-value=1.1e-56  Score=294.81  Aligned_cols=80  Identities=58%  Similarity=1.004  Sum_probs=75.2

Q ss_pred             CccccCceeeeeeeccccCcCCcccCCCCcceEeEeeeeCCCceeeCceeEEEEehhhhhcccchHHHHHHHHhcccchh
Q 034810            1 MQNEEGQNMDLYIPRKCSATNRLITSKDHAAVQINIGHVDADGIYTGQFSTFALCGFVRAQGDGDSALDRLWQKKKAEVR   80 (82)
Q Consensus         1 MqNd~g~~VDlYiPRKCS~TnriI~akDHaSVQInv~~vd~~G~~tg~~~t~ai~G~iR~~GesD~~l~rL~~~~~~~~~   80 (82)
                      ||||+|+|||||||||||||||||+|||||||||||++||++|+|||+++||||||+||+|||||+||+|||+++|++++
T Consensus         1 MqNd~g~~VDlYiPRKCS~TnriI~aKDHaSvQinv~~vd~~G~~~g~~~t~ai~G~iR~~GesD~~l~rL~~~~g~l~~   80 (81)
T PF01249_consen    1 MQNDAGEFVDLYIPRKCSATNRIISAKDHASVQINVADVDENGRFTGQFKTYAICGFIRRMGESDDALNRLAKKDGLLSK   80 (81)
T ss_dssp             -CHCCCHC-SSSHHHCHTTTHHCHHTTSTTSEEEEEEEE-SSS-EEEEEEEEEEHHHHHHTTHHHHHHHHHHHHTCCCSS
T ss_pred             CcCcCCcEEEEeccccccccCCccccCCceeEEEEeeeecCcccCcCCceEEEEechHhhCcchhHHHHHHHHHhCcccC
Confidence            99999999999999999999999999999999999999999999999999999999999999999999999999999976



The codons of the mRNA are exposed on the ribosome to allow tRNA binding. This leads to the incorporation of amino acids into the growing polypeptide chain in accordance with the genetic information. Incoming amino acid monomers enter the ribosomal A site in the form of aminoacyl-tRNAs complexed with elongation factor Tu (EF-Tu) and GTP. The growing polypeptide chain, situated in the P site as peptidyl-tRNA, is then transferred to aminoacyl-tRNA and the new peptidyl-tRNA, extended by one residue, is translocated to the P site with the aid the elongation factor G (EF-G) and GTP as the deacylated tRNA is released from the ribosome through one or more exit sites [, ]. About 2/3 of the mass of the ribosome consists of RNA and 1/3 of protein. The proteins are named in accordance with the subunit of the ribosome which they belong to - the small (S1 to S31) and the large (L1 to L44). Usually they decorate the rRNA cores of the subunits. Many ribosomal proteins, particularly those of the large subunit, are composed of a globular, surfaced-exposed domain with long finger-like projections that extend into the rRNA core to stabilise its structure. Most of the proteins interact with multiple RNA elements, often from different domains. In the large subunit, about 1/3 of the 23S rRNA nucleotides are at least in van der Waal's contact with protein, and L22 interacts with all six domains of the 23S rRNA. Proteins S4 and S7, which initiate assembly of the 16S rRNA, are located at junctions of five and four RNA helices, respectively. In this way proteins serve to organise and stabilise the rRNA tertiary structure. While the crucial activities of decoding and peptide transfer are RNA based, proteins play an active role in functions that may have evolved to streamline the process of protein synthesis. In addition to their function in the ribosome, many ribosomal proteins have some function 'outside' the ribosome [, ]. A number of eukaryotic ribosomal proteins can be grouped on the basis of sequence similarities. These proteins have 82 to 87 amino acids. The amino termini are all N alpha-acetylated. The N-terminal halves of the protein molecules are highly conserved in contrast to the carboxy-terminal parts [].; GO: 0003735 structural constituent of ribosome, 0006412 translation, 0005622 intracellular, 0005840 ribosome; PDB: 3U5G_V 3U5C_V 3IZB_T 2XZN_Z 2XZM_Z 3IZ6_T.

>KOG3486 consensus 40S ribosomal protein S21 [Translation, ribosomal structure and biogenesis] Back     alignment and domain information

Homologous Structure Templates

Structure Templates Detected by BLAST ?

ID ?Alignment Graph ?Length ? Definition ? E-value ?
Query82
3iz6_T82 Localization Of The Small Subunit Ribosomal Protein 1e-36
3izb_T87 Localization Of The Small Subunit Ribosomal Protein 2e-19
3zey_R 194 High-resolution Cryo-electron Microscopy Structure 2e-18
2xzm_Z97 Crystal Structure Of The Eukaryotic 40s Ribosomal S 3e-11
>pdb|3IZ6|T Chain T, Localization Of The Small Subunit Ribosomal Proteins Into A 5.5 A Cryo-Em Map Of Triticum Aestivum Translating 80s Ribosome Length = 82 Back     alignment and structure

Iteration: 1

Score = 147 bits (371), Expect = 1e-36, Method: Compositional matrix adjust. Identities = 65/82 (79%), Positives = 77/82 (93%) Query: 1 MQNEEGQNMDLYIPRKCSATNRLITSKDHAAVQINIGHVDADGIYTGQFSTFALCGFVRA 60 MQNEEGQ +DLY+PRKCSATNR+IT+KDHA+VQINIGHVD +G+Y G+F+TFAL GF+RA Sbjct: 1 MQNEEGQMVDLYVPRKCSATNRIITAKDHASVQINIGHVDENGLYDGRFTTFALSGFIRA 60 Query: 61 QGDGDSALDRLWQKKKAEVRQQ 82 QGD DSALDRLWQK+KAEV+QQ Sbjct: 61 QGDADSALDRLWQKRKAEVKQQ 82
>pdb|3IZB|T Chain T, Localization Of The Small Subunit Ribosomal Proteins Into A 6.1 A Cryo-Em Map Of Saccharomyces Cerevisiae Translating 80s Ribosome Length = 87 Back     alignment and structure
>pdb|3ZEY|R Chain R, High-resolution Cryo-electron Microscopy Structure Of The Trypanosoma Brucei Ribosome Length = 194 Back     alignment and structure
>pdb|2XZM|Z Chain Z, Crystal Structure Of The Eukaryotic 40s Ribosomal Subunit In Complex With Initiation Factor 1. This File Contains The 40s Subunit And Initiation Factor For Molecule 1 Length = 97 Back     alignment and structure

Structure Templates Detected by RPS-BLAST ?

ID ?Alignment Graph ?Length ? Definition ? E-value ?
Query82
3iz6_T82 40S ribosomal protein S21 (S21E); eukaryotic ribos 2e-45
2xzm_Z97 RPS21E; ribosome, translation; 3.93A {Tetrahymena 5e-43
3u5c_V87 S26, YS25, 40S ribosomal protein S21-A; translatio 3e-40
>3iz6_T 40S ribosomal protein S21 (S21E); eukaryotic ribosome,homology modeling,de novo modeling,ribos proteins,novel ribosomal proteins, ribosome; 5.50A {Triticum aestivum} Length = 82 Back     alignment and structure
 Score =  139 bits (352), Expect = 2e-45
 Identities = 65/82 (79%), Positives = 77/82 (93%)

Query: 1  MQNEEGQNMDLYIPRKCSATNRLITSKDHAAVQINIGHVDADGIYTGQFSTFALCGFVRA 60
          MQNEEGQ +DLY+PRKCSATNR+IT+KDHA+VQINIGHVD +G+Y G+F+TFAL GF+RA
Sbjct: 1  MQNEEGQMVDLYVPRKCSATNRIITAKDHASVQINIGHVDENGLYDGRFTTFALSGFIRA 60

Query: 61 QGDGDSALDRLWQKKKAEVRQQ 82
          QGD DSALDRLWQK+KAEV+QQ
Sbjct: 61 QGDADSALDRLWQKRKAEVKQQ 82


>2xzm_Z RPS21E; ribosome, translation; 3.93A {Tetrahymena thermophila} PDB: 2xzn_Z Length = 97 Back     alignment and structure
>3u5c_V S26, YS25, 40S ribosomal protein S21-A; translation, ribosome, ribosomal, ribosomal R ribosomal protein, eukaryotic ribosome, RNA-protein C; 3.00A {Saccharomyces cerevisiae} PDB: 3izb_T 3u5g_V Length = 87 Back     alignment and structure

Structure Templates Detected by HHsearch ?

ID ?Alignment Graph ?Length ? Definition ? Probability ?
Query82
3u5c_V87 S26, YS25, 40S ribosomal protein S21-A; translatio 100.0
2xzm_Z97 RPS21E; ribosome, translation; 3.93A {Tetrahymena 100.0
3iz6_T82 40S ribosomal protein S21 (S21E); eukaryotic ribos 100.0
>3u5c_V S26, YS25, 40S ribosomal protein S21-A; translation, ribosome, ribosomal, ribosomal R ribosomal protein, eukaryotic ribosome, RNA-protein C; 3.00A {Saccharomyces cerevisiae} PDB: 3izb_T 3u5g_V Back     alignment and structure
Probab=100.00  E-value=1.3e-56  Score=297.10  Aligned_cols=81  Identities=48%  Similarity=0.854  Sum_probs=79.3

Q ss_pred             CccccCceeeeeeeccccCcCCcccCCCCcceEeEeeeeCCCcee-eCceeEEEEehhhhhcccchHHHHHHHHhcccch
Q 034810            1 MQNEEGQNMDLYIPRKCSATNRLITSKDHAAVQINIGHVDADGIY-TGQFSTFALCGFVRAQGDGDSALDRLWQKKKAEV   79 (82)
Q Consensus         1 MqNd~g~~VDlYiPRKCS~TnriI~akDHaSVQInv~~vd~~G~~-tg~~~t~ai~G~iR~~GesD~~l~rL~~~~~~~~   79 (82)
                      ||||+|++||||||||||||||||+|||||||||||++||++|+| ||+++||||||+||+|||||+||||||+++|+++
T Consensus         1 MqNd~g~~VDLYiPRKCSaTNriI~AKDHaSVQIni~~vd~~G~~i~g~~~tyai~G~iR~~GesD~~l~rLa~~~g~l~   80 (87)
T 3u5c_V            1 MENDKGQLVELYVPRKCSATNRIIKADDHASVQINVAKVDEEGRAIPGEYVTYALSGYVRSRGESDDSLNRLAQNDGLLK   80 (87)
T ss_dssp             CCCSSSCCCSSCCCCCCTTTCCCCCTTCTTCEEEEEECCCSSSCCCSSCEEEEEECHHHHHTTCHHHHHHHHHHTTTSCC
T ss_pred             CcCcCCcEEEEEccccccccCCceecCCcceEEEeeeeECCcccEeCCCeeEEEEehhhhhCcchHHHHHHHHHHcCccc
Confidence            999999999999999999999999999999999999999999999 9999999999999999999999999999999987


Q ss_pred             hc
Q 034810           80 RQ   81 (82)
Q Consensus        80 ~~   81 (82)
                      ..
T Consensus        81 ~~   82 (87)
T 3u5c_V           81 NV   82 (87)
T ss_dssp             SS
T ss_pred             cc
Confidence            53



>2xzm_Z RPS21E; ribosome, translation; 3.93A {Tetrahymena thermophila} PDB: 2xzn_Z Back     alignment and structure
>3iz6_T 40S ribosomal protein S21 (S21E); eukaryotic ribosome,homology modeling,de novo modeling,ribos proteins,novel ribosomal proteins, ribosome; 5.50A {Triticum aestivum} Back     alignment and structure

Homologous Structure Domains

Structure Domains Detected by RPS-BLAST ?

No hit with e-value below 0.005

Homologous Domains Detected by HHsearch ?

ID ?Alignment Graph ?Length ? Definition ? Probability ?
Query82
d1s1da_317 Soluble calcium-activated nucleotidase SCAN-1 {Hum 82.71
>d1s1da_ b.67.3.1 (A:) Soluble calcium-activated nucleotidase SCAN-1 {Human (Homo sapiens) [TaxId: 9606]} Back     information, alignment and structure
class: All beta proteins
fold: 5-bladed beta-propeller
superfamily: Apyrase
family: Apyrase
domain: Soluble calcium-activated nucleotidase SCAN-1
species: Human (Homo sapiens) [TaxId: 9606]
Probab=82.71  E-value=0.17  Score=37.58  Aligned_cols=32  Identities=25%  Similarity=0.583  Sum_probs=24.4

Q ss_pred             eeeecccc------------CcCCcccC-CCCcceE-eEeeeeCCC
Q 034810           11 LYIPRKCS------------ATNRLITS-KDHAAVQ-INIGHVDAD   42 (82)
Q Consensus        11 lYiPRKCS------------~TnriI~a-kDHaSVQ-Inv~~vd~~   42 (82)
                      ..+|||||            .+|-||.+ .|...++ |.|+.++|+
T Consensus       212 ~FlPRr~S~e~Y~e~~DE~~G~N~li~~~e~F~~i~vi~ig~~~p~  257 (317)
T d1s1da_         212 FFLPRRASQERYSEKDDERKGANLLLSASPDFGDIAVSHVGAVVPT  257 (317)
T ss_dssp             EECCSEEESSCCCHHHHTTCBCCEEEEECTTSSCEEEEECSCCCTT
T ss_pred             EEechhhccccCCchhhhhcCCcEEEEecCCCceeEEEEcCCcCCC
Confidence            36799999            68999996 5667777 557777774