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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

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

X: Alpha-beta plaits
H: Molybdenum cofactor biosynthesis protein C, MoaC
T: Molybdenum cofactor biosynthesis protein C, MoaC

dimerize through 4th strand, antiparallel

F: MoaC

PF01967

Representatives:

e1ekrA1[A:11-156] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; X-RAY DIFFRACTION 1.95Å

e1eksA1[A:15-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: TLA ; X-RAY DIFFRACTION 2.48Å

e3jqjA1[A:9-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: GOL,PGR,PO4 ; X-RAY DIFFRACTION 1.9Å

e2ohdA1[A:5-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROBABLE MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; X-RAY DIFFRACTION 2.2Å

e2eeyA1[A:2-161] Image Pymol Jmol Links: PDB, SCOP, CATH

MOLYBDOPTERIN BIOSYNTHESIS ; X-RAY DIFFRACTION 1.94Å

e2eknA1[A:12-156] Image Pymol Jmol Links: PDB, SCOP, CATH

PROBABLE MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: FLC ; X-RAY DIFFRACTION 2.05Å

e2ideA1[A:8-155] Image Pymol Jmol Links: PDB, SCOP, CATH

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: PO4 ; X-RAY DIFFRACTION 1.9Å

e2ideB1[B:9-156] Image Pymol Jmol Links: PDB, SCOP, CATH

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: PO4 ; X-RAY DIFFRACTION 1.9Å

e2ideC1[C:9-155] Image Pymol Jmol Links: PDB, SCOP, CATH

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: PO4 ; X-RAY DIFFRACTION 1.9Å

e2ideD1[D:9-155] Image Pymol Jmol Links: PDB, SCOP, CATH

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: PO4 ; X-RAY DIFFRACTION 1.9Å

e2ideE1[E:9-155] Image Pymol Jmol Links: PDB, SCOP, CATH

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: PO4 ; X-RAY DIFFRACTION 1.9Å

e2ideG1[G:9-155] Image Pymol Jmol Links: PDB, SCOP, CATH

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: PO4 ; X-RAY DIFFRACTION 1.9Å

e2ideH1[H:9-156] Image Pymol Jmol Links: PDB, SCOP, CATH

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: PO4 ; X-RAY DIFFRACTION 1.9Å

e2ideI1[I:10-156] Image Pymol Jmol Links: PDB, SCOP, CATH

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: PO4 ; X-RAY DIFFRACTION 1.9Å

e2ideJ1[J:9-156] Image Pymol Jmol Links: PDB, SCOP, CATH

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: PO4 ; X-RAY DIFFRACTION 1.9Å

e2ideK1[K:9-156] Image Pymol Jmol Links: PDB, SCOP, CATH

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: PO4 ; X-RAY DIFFRACTION 1.9Å

e2ideL1[L:9-156] Image Pymol Jmol Links: PDB, SCOP, CATH

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: PO4 ; X-RAY DIFFRACTION 1.9Å

e2ohdB1[B:4-142] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROBABLE MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; X-RAY DIFFRACTION 2.2Å

e2ohdC1[C:3-143] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROBABLE MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; X-RAY DIFFRACTION 2.2Å

e2ohdD1[D:4-143] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROBABLE MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; X-RAY DIFFRACTION 2.2Å

e2ohdE1[E:4-143] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROBABLE MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; X-RAY DIFFRACTION 2.2Å

e2ohdF1[F:4-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROBABLE MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; X-RAY DIFFRACTION 2.2Å

e2eknB1[B:13-157] Image Pymol Jmol Links: PDB, SCOP, CATH

PROBABLE MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: FLC ; X-RAY DIFFRACTION 2.05Å

e2eknC1[C:13-157] Image Pymol Jmol Links: PDB, SCOP, CATH

PROBABLE MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: FLC ; X-RAY DIFFRACTION 2.05Å

e2ideF1[F:10-155] Image Pymol Jmol Links: PDB, SCOP, CATH

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: PO4 ; X-RAY DIFFRACTION 1.9Å

e2iihA1[A:10-155] Image Pymol Jmol Links: PDB, SCOP, CATH

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: PO4 ; X-RAY DIFFRACTION 1.75Å

e3jqjB1[B:9-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: GOL,PO4 ; X-RAY DIFFRACTION 1.9Å

e3jqjC1[C:9-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: GOL,PGR,PO4 ; X-RAY DIFFRACTION 1.9Å

e3jqjD1[D:9-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: GOL,PGR,PO4 ; X-RAY DIFFRACTION 1.9Å

e3jqjE1[E:9-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: GOL,PGR,PO4 ; X-RAY DIFFRACTION 1.9Å

e3jqjF1[F:10-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: GOL,PGR,PO4 ; X-RAY DIFFRACTION 1.9Å

e3jqjG1[G:9-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: GOL,PGR,PO4 ; X-RAY DIFFRACTION 1.9Å

e3jqjH1[H:10-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: GOL,PO4 ; X-RAY DIFFRACTION 1.9Å

e3jqjI1[I:10-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: GOL,PGR,PO4 ; X-RAY DIFFRACTION 1.9Å

e3jqjJ1[J:10-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: GOL,PGR,PO4 ; X-RAY DIFFRACTION 1.9Å

e3jqjK1[K:10-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: GOL,PGR,PO4 ; X-RAY DIFFRACTION 1.9Å

e3jqjL1[L:10-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: GOL,PGR,PO4 ; X-RAY DIFFRACTION 1.9Å

e3jqkA1[A:10-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: ACT,PO4 ; X-RAY DIFFRACTION 1.75Å

e3jqmA1[A:9-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: EDO,FLC,GOL,GTP,PEG ; X-RAY DIFFRACTION 2.5Å

e3jqmC1[C:9-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: EDO,FLC,GOL,GTP,PEG ; X-RAY DIFFRACTION 2.5Å

e3jqmD1[D:9-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: EDO,FLC,GTP ; X-RAY DIFFRACTION 2.5Å

e3jqmI1[I:9-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: EDO,FLC,GTP ; X-RAY DIFFRACTION 2.5Å

e3jqmB1[B:10-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: EDO,FLC,GTP,PEG ; X-RAY DIFFRACTION 2.5Å

e3jqmE1[E:7-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: EDO,FLC,GTP,PEG ; X-RAY DIFFRACTION 2.5Å

e3jqmF1[F:10-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: EDO,FLC,GOL,GTP,PEG ; X-RAY DIFFRACTION 2.5Å

e3jqmG1[G:10-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: EDO,FLC,GTP,PEG ; X-RAY DIFFRACTION 2.5Å

e3jqmH1[H:10-155] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN C ; ligands: EDO,FLC,GOL,GTP,PEG ; X-RAY DIFFRACTION 2.5Å

e4fdfB1[B:23-166] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Molybdenum cofactor biosynthesis protein C 2 ; X-RAY DIFFRACTION 2.20Å

e4fdfA1[A:22-167] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Molybdenum cofactor biosynthesis protein C 2 ; X-RAY DIFFRACTION 2.20Å

e4pydA1[A:13-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Molybdenum cofactor biosynthesis protein MoaC ; ligands: 8CS ; X-RAY DIFFRACTION 3.180Å

e4pydB1[B:7-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Molybdenum cofactor biosynthesis protein MoaC ; ligands: 8CS,EDO ; X-RAY DIFFRACTION 3.180Å

e4pydC1[C:4-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Molybdenum cofactor biosynthesis protein MoaC ; ligands: 8CS,EDO,GOL ; X-RAY DIFFRACTION 3.180Å

e4pydD1[D:5-156] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Molybdenum cofactor biosynthesis protein MoaC ; ligands: 8CS,DTT,GOL ; X-RAY DIFFRACTION 3.180Å

e4pydE1[E:9-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Molybdenum cofactor biosynthesis protein MoaC ; ligands: 8CS,EDO,GOL ; X-RAY DIFFRACTION 3.180Å

e4pydF1[F:24-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Molybdenum cofactor biosynthesis protein MoaC ; ligands: 8CS,EDO,GOL ; X-RAY DIFFRACTION 3.180Å

e4pyaA1[A:23-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Molybdenum cofactor biosynthesis protein MoaC ; ligands: 2X3,EDO ; X-RAY DIFFRACTION 1.7890Å

X: LuxS, MPP, ThrRS/AlaRS common domain

looks like an elaborated ferredoxin

X: ClpS-like

contains a HTH motif

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