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X - Possible homology level

H - Homology level

T - Topology level

F - Family level

* - Provisional representative

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Evolutionary classification of protein domain structures

alpha arraysalpha-helix arrays with mainly perpendicular helices

alpha bundlesalpha-helix bundles with mainly parallel helices

alpha superhelicesrepeating alpha-helix hairpins form a superhelix

alpha duplicates or obligate multimersalpha duplicates or monomers associate together to form a compact domain

alpha complex topologyalpha domain with complex and unique topology that cannot be described as array or bundle or superhelix

beta barrelssingle beta-sheet folded upon itself to form a barrel

X: cradle loop barrel

Refs: Structure 14, 1489-1498; Current opinion in structural biology 18, 358-365

X: OB-fold
H: MOP-like
T: MOP-like
F: TOBE

PF03459 CL0021

Representatives:

Domain assembly:

e1fr3A1[A:1-67] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE/TUNGSTATE BINDING PROTEIN , X-RAY DIFFRACTION 1.5Å

swap

e1fr3B1[B:1-67] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE/TUNGSTATE BINDING PROTEIN , X-RAY DIFFRACTION 1.5Å

e1fr3J1[J:1-67] * nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE/TUNGSTATE BINDING PROTEIN ; ligands: WO4 ; X-RAY DIFFRACTION 1.5Å

swap

Domain assembly:

e1gutA1[A:2-68] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II , X-RAY DIFFRACTION 1.5Å

swapswap

e1gutD1[D:2-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II , X-RAY DIFFRACTION 1.5Å

e1gutB1[B:2-68] * nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II ; ligands: CL,MG ; X-RAY DIFFRACTION 1.5Å

Domain assembly:

e1h9kA1[A:-3-73] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM-BINDING-PROTEIN , X-RAY DIFFRACTION 1.800Å

e1h9kA2[A:74-141] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM-BINDING-PROTEIN , X-RAY DIFFRACTION 1.800Å

Domain assembly:

e1h9rA1[A:123-199] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM TRANSPORT PROTEIN MODE , X-RAY DIFFRACTION 1.9Å

e1h9rA2[A:200-261] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM TRANSPORT PROTEIN MODE , X-RAY DIFFRACTION 1.9Å

e1fr3I1[I:1-67] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE/TUNGSTATE BINDING PROTEIN ; ligands: WO4 ; X-RAY DIFFRACTION 1.5Å

e1fr3H1[H:1-67] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE/TUNGSTATE BINDING PROTEIN ; ligands: WO4 ; X-RAY DIFFRACTION 1.5Å

e1fr3F1[F:1-67] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE/TUNGSTATE BINDING PROTEIN ; ligands: WO4 ; X-RAY DIFFRACTION 1.5Å

e1fr3E1[E:1-67] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE/TUNGSTATE BINDING PROTEIN ; ligands: WO4 ; X-RAY DIFFRACTION 1.5Å

e1fr3L1[L:1-67] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE/TUNGSTATE BINDING PROTEIN ; ligands: WO4 ; X-RAY DIFFRACTION 1.5Å

e1fr3G1[G:1-67] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE/TUNGSTATE BINDING PROTEIN ; ligands: WO4 ; X-RAY DIFFRACTION 1.5Å

e1fr3D1[D:1-67] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE/TUNGSTATE BINDING PROTEIN ; ligands: WO4 ; X-RAY DIFFRACTION 1.5Å

e1fr3K1[K:1-67] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE/TUNGSTATE BINDING PROTEIN ; ligands: WO4 ; X-RAY DIFFRACTION 1.5Å

e1fr3C1[C:1-67] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE/TUNGSTATE BINDING PROTEIN ; ligands: WO4 ; X-RAY DIFFRACTION 1.5Å

e1gugF1[F:2-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II ; ligands: CL,NA,WO4 ; X-RAY DIFFRACTION 1.6Å

e1h9jA1[A:74-140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM-BINDING-PROTEIN ; ligands: MOO,PO4 ; X-RAY DIFFRACTION 1.800Å

e1guoC1[C:3-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II ; ligands: MOO ; X-RAY DIFFRACTION 2.5Å

e1gusE1[E:2-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II ; ligands: CL,MG ; X-RAY DIFFRACTION 1.8Å

e1gugC1[C:2-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II ; ligands: CL,NA,WO4 ; X-RAY DIFFRACTION 1.6Å

e1gugD1[D:2-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II ; ligands: WO4 ; X-RAY DIFFRACTION 1.6Å

e1h9mA1[A:74-140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM-BINDING-PROTEIN ; ligands: MOO ; X-RAY DIFFRACTION 1.650Å

e1h9mB1[B:74-140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM-BINDING-PROTEIN ; ligands: MOO ; X-RAY DIFFRACTION 1.650Å

e1gusB1[B:2-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II ; ligands: MG ; X-RAY DIFFRACTION 1.8Å

e1gutE1[E:2-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II ; ligands: CL,MG ; X-RAY DIFFRACTION 1.5Å

e1gunA1[A:2-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II ; ligands: MOO ; X-RAY DIFFRACTION 1.83Å

e1gusA1[A:2-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II ; ligands: MG ; X-RAY DIFFRACTION 1.8Å

e1gugA1[A:2-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II ; ligands: WO4 ; X-RAY DIFFRACTION 1.6Å

e1gugE1[E:2-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II ; ligands: NA,WO4 ; X-RAY DIFFRACTION 1.6Å

e1gunB1[B:2-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II ; ligands: MOO ; X-RAY DIFFRACTION 1.83Å

e1guoA1[A:2-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II ; ligands: MOO ; X-RAY DIFFRACTION 2.5Å

e1gutF1[F:2-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II ; ligands: CL,MG ; X-RAY DIFFRACTION 1.5Å

e1gusC1[C:2-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II ; ligands: MG ; X-RAY DIFFRACTION 1.8Å

e1guoB1[B:2-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II ; ligands: MOO ; X-RAY DIFFRACTION 2.5Å

e1gutC1[C:2-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II ; ligands: CL,MG ; X-RAY DIFFRACTION 1.5Å

e1gunC1[C:2-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II ; ligands: MOO ; X-RAY DIFFRACTION 1.83Å

e1gusD1[D:2-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II ; ligands: CL,MG ; X-RAY DIFFRACTION 1.8Å

e1gugB1[B:2-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II ; ligands: NA,WO4 ; X-RAY DIFFRACTION 1.6Å

e1gusF1[F:2-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II ; ligands: CL,MG ; X-RAY DIFFRACTION 1.8Å

e1h9mB2[B:1-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM-BINDING-PROTEIN ; ligands: MOO ; X-RAY DIFFRACTION 1.650Å

e1h9mA2[A:1-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM-BINDING-PROTEIN ; ligands: MOO ; X-RAY DIFFRACTION 1.650Å

e1h9jA2[A:-3-73] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM-BINDING-PROTEIN ; X-RAY DIFFRACTION 1.800Å

e1o7lA1[A:127-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TRANSCRIPTIONAL REGULATOR MODE ; ligands: CL,MOO ; X-RAY DIFFRACTION 2.75Å

e1o7lB1[B:127-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TRANSCRIPTIONAL REGULATOR MODE ; ligands: MOO ; X-RAY DIFFRACTION 2.75Å

e1o7lD1[D:127-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TRANSCRIPTIONAL REGULATOR MODE ; ligands: CA,MOO ; X-RAY DIFFRACTION 2.75Å

e1h9sA1[A:123-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM TRANSPORT PROTEIN MODE ; ligands: MOO ; X-RAY DIFFRACTION 1.82Å

e1b9mA1[A:127-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (MODE) ; ligands: NI ; X-RAY DIFFRACTION 1.75Å

e1b9nB1[B:127-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (MODE) ; X-RAY DIFFRACTION 2.09Å

e1b9mB1[B:127-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (MODE) ; X-RAY DIFFRACTION 1.75Å

e1h9sB1[B:124-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM TRANSPORT PROTEIN MODE ; ligands: MOO ; X-RAY DIFFRACTION 1.82Å

e1o7lC1[C:127-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TRANSCRIPTIONAL REGULATOR MODE ; ligands: MOO ; X-RAY DIFFRACTION 2.75Å

e1h9rB1[B:123-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM TRANSPORT PROTEIN MODE ; ligands: NI,WO4 ; X-RAY DIFFRACTION 1.9Å

e1b9nA1[A:127-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (MODE) ; ligands: NI ; X-RAY DIFFRACTION 2.09Å

e1o7lB2[B:200-261] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TRANSCRIPTIONAL REGULATOR MODE ; ligands: CL ; X-RAY DIFFRACTION 2.75Å

e1o7lC2[C:200-261] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TRANSCRIPTIONAL REGULATOR MODE ; ligands: CA,MOO ; X-RAY DIFFRACTION 2.75Å

e1o7lD2[D:200-261] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TRANSCRIPTIONAL REGULATOR MODE ; X-RAY DIFFRACTION 2.75Å

e1h9sA2[A:200-260] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM TRANSPORT PROTEIN MODE ; X-RAY DIFFRACTION 1.82Å

e1b9mA2[A:200-261] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (MODE) ; X-RAY DIFFRACTION 1.75Å

e1b9nA2[A:200-261] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (MODE) ; X-RAY DIFFRACTION 2.09Å

e1o7lA2[A:200-261] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TRANSCRIPTIONAL REGULATOR MODE ; X-RAY DIFFRACTION 2.75Å

e1b9mB2[B:200-261] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (MODE) ; X-RAY DIFFRACTION 1.75Å

e1b9nB2[B:200-261] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (MODE) ; X-RAY DIFFRACTION 2.09Å

e1h9sB2[B:200-260] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM TRANSPORT PROTEIN MODE ; X-RAY DIFFRACTION 1.82Å

e1h9rB2[B:200-261] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM TRANSPORT PROTEIN MODE ; X-RAY DIFFRACTION 1.9Å

e2d62A2[A:305-375] Image Pymol Jmol Links: PDB, SCOP, CATH

MULTIPLE SUGAR-BINDING TRANSPORT ATP-BINDING PROTEIN ; ligands: SO4 ; X-RAY DIFFRACTION 2.1Å

e1gunD1[D:2-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II ; ligands: CA,MOO ; X-RAY DIFFRACTION 1.83Å

e1gunE1[E:2-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II ; ligands: CA,MOO ; X-RAY DIFFRACTION 1.83Å

e1gunF1[F:2-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II ; ligands: CA,MOO ; X-RAY DIFFRACTION 1.83Å

e1guoD1[D:2-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II ; ligands: MOO ; X-RAY DIFFRACTION 2.5Å

e1guoE1[E:2-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II ; ligands: MOO ; X-RAY DIFFRACTION 2.5Å

e1guoF1[F:3-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDATE BINDING PROTEIN II ; ligands: MOO ; X-RAY DIFFRACTION 2.5Å

e3d31B3[B:285-348] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sulfate/molybdate ABC transporter, ATP-binding protein ; ligands: WO4 ; X-RAY DIFFRACTION 3.0Å

e4tquS1[S:293-363] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

AlgS ; X-RAY DIFFRACTION 3.2Å

e4tquT3[T:293-363] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

AlgS ; X-RAY DIFFRACTION 3.2Å

e4tqvC2[C:293-363] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

AlgS ; X-RAY DIFFRACTION 4.5Å

e4tqvD2[D:293-363] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

AlgS ; X-RAY DIFFRACTION 4.5Å

e4tqvG1[G:293-363] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

AlgS ; X-RAY DIFFRACTION 4.5Å

e4tqvH1[H:293-363] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

AlgS ; X-RAY DIFFRACTION 4.5Å

e4tqvK3[K:293-363] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

AlgS ; X-RAY DIFFRACTION 4.5Å

e4tqvL3[L:293-363] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

AlgS ; X-RAY DIFFRACTION 4.5Å

e4tqvO1[O:293-363] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

AlgS ; X-RAY DIFFRACTION 4.5Å

e4tqvP1[P:293-363] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

AlgS ; X-RAY DIFFRACTION 4.5Å

e4xigS1[S:293-363] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

AlgS ; X-RAY DIFFRACTION 3.4Å

e4xigT3[T:293-363] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

AlgS ; X-RAY DIFFRACTION 3.4Å

e4xtcS2[S:293-363] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

AlgS ; X-RAY DIFFRACTION 3.60Å

e4xtcT2[T:293-363] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

AlgS ; X-RAY DIFFRACTION 3.60Å

e7cadC3[C:303-328,C:348-391] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ABC transporter, ATP-binding protein SugC ; ELECTRON MICROSCOPY

e7cadD2[D:303-328,D:348-391] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ABC transporter, ATP-binding protein SugC ; ELECTRON MICROSCOPY

e7caeC3[C:303-328,C:348-391] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ABC transporter, ATP-binding protein SugC ; ELECTRON MICROSCOPY

e7caeD3[D:303-328,D:348-391] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ABC transporter, ATP-binding protein SugC ; ELECTRON MICROSCOPY

e7cafC1[C:303-328,C:348-391] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ABC transporter, ATP-binding protein SugC ; ELECTRON MICROSCOPY

e7cafD2[D:303-328,D:348-391] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ABC transporter, ATP-binding protein SugC ; ELECTRON MICROSCOPY

e6yirA1[A:295-367] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Oligosaccharides import ATP-binding protein MsmX ; ligands: PGE ; X-RAY DIFFRACTION 1.67Å

e7x0qA2[A:299-369] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ABC transporter related protein ; X-RAY DIFFRACTION 2.900Å

e7x0qB2[B:299-369] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ABC transporter related protein ; X-RAY DIFFRACTION 2.900Å

e8hplC3[C:303-328,C:348-391] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8hplD2[D:303-328,D:348-391] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8hpmC2[C:303-328,C:348-391] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8hpmD2[D:303-328,D:348-391] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8hpsC1[C:303-328,C:348-391] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8hpsD3[D:303-328,D:348-391] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

Domain assembly:

e1h9rA2[A:200-261] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM TRANSPORT PROTEIN MODE , X-RAY DIFFRACTION 1.9Å

e1h9rA1[A:123-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM TRANSPORT PROTEIN MODE , X-RAY DIFFRACTION 1.9Å

F: Unmapped domains

Pseudo group of domains that do not map to PFam family profiles. Domains inside should not be considered as in one family.

beta meanderssingle beta-sheet with mainly meander topology

beta sandwichestwo beta-sheets stacked together to form a sandwich

beta duplicates or obligate multimersbeta duplicates or monomers associate together to form a compact domain

beta complex topologybeta domains with complex and unique topology that cannot be described as barrel or sandwich or meander

a+b two layersone alpha-helix layer and one beta-sheet layer

a+b three layersone mainly antiparallel beta-sheet layer sandwiched between two alpha-helix layers

a+b four layerstwo beta-sheet layers sandwiched between two alpha-helix layers

a+b complex topologyalpha and beta domain with complex and unique topology that cannot be described in layers

a+b duplicates or obligate multimersalpha and beta duplicates or monomers associated together to form a compact domain

a/b barrelsrepeating beta-alpha units form a barrel

a/b three-layered sandwichesrepeating beta-alpha units form a sandwich with a mainly parallel beta-sheet layer stacked between two alpha-helix layers

mixed a+b and a/balpha and beta domain consists of both a+b and a/b regions

few secondary structure elementsstabilized by cofactors or disulfides

extended segmentsextended, non-globular segments, frequently bind to other proteins to form complexes