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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

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

X: Rossmann-like
H: Rossmann-related
T: FAD/NAD(P)-binding domain
F: Pyr_redox_2

PF07992 CL0063

Representatives:

e1mo9A2[A:2-192,A:314-383] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ORF3 ; ligands: FAD,KPC ; X-RAY DIFFRACTION 1.65Å

e1fecA2[A:1-169,A:287-357] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

TRYPANOTHIONE REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 1.7Å

e1fecA3[A:170-286] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

TRYPANOTHIONE REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 1.7Å

e5jciA1[A:4-127,A:262-344] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Os09g0567300 protein ; ligands: FAD ; X-RAY DIFFRACTION 1.700Å

e5jciA2[A:128-261] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Os09g0567300 protein ; ligands: FAD ; X-RAY DIFFRACTION 1.700Å

e1m6iA2[A:128-263,A:401-477] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Programmed cell death protein 8 ; ligands: FAD ; X-RAY DIFFRACTION 1.8Å

e1m6iA3[A:264-400] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Programmed cell death protein 8 ; ligands: FAD ; X-RAY DIFFRACTION 1.8Å

e1fl2A1[A:212-325,A:452-521] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ALKYL HYDROPEROXIDE REDUCTASE SUBUNIT F ; ligands: FAD,SO4 ; X-RAY DIFFRACTION 1.9Å

e1fl2A2[A:326-451] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ALKYL HYDROPEROXIDE REDUCTASE SUBUNIT F ; ligands: FAD,SO4 ; X-RAY DIFFRACTION 1.9Å

e1q1rA2[A:2-114,A:248-319] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PUTIDAREDOXIN REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 1.91Å

e1q1rA3[A:115-247] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PUTIDAREDOXIN REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 1.91Å

e1d7yA2[A:5-115,A:237-308] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FERREDOXIN REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 2.1Å

e1xhcA2[A:1-103,A:226-289] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

NADH oxidase /nitrite reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.15Å

e1xhcA3[A:104-225] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

NADH oxidase /nitrite reductase ; ligands: FAD ; X-RAY DIFFRACTION 2.15Å

e5jwaA1[A:39-152,A:311-359,A:431-467] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH dehydrogenase, putative ; ligands: ACT,FAD,MG ; X-RAY DIFFRACTION 2.160Å

e5jwaA2[A:153-310] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH dehydrogenase, putative ; ligands: ACT,FAD,MG ; X-RAY DIFFRACTION 2.160Å

e1ps9A2[A:466-627] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2,4-dienoyl-CoA reductase ; ligands: FAD,MDE,NAP ; X-RAY DIFFRACTION 2.2Å

e1v59A2[A:1-160,A:283-355] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

DIHYDROLIPOAMIDE DEHYDROGENASE ; ligands: FAD,NAD,PO4 ; X-RAY DIFFRACTION 2.2Å

e1v59A3[A:161-282] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

DIHYDROLIPOAMIDE DEHYDROGENASE ; ligands: FAD,NAD ; X-RAY DIFFRACTION 2.2Å

e3ladA2[A:159-277] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DIHYDROLIPOAMIDE DEHYDROGENASE ; ligands: FAD ; X-RAY DIFFRACTION 2.2Å

e3t2zA1[A:1-115,A:264-427] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sulfide-quinone reductase, putative ; ligands: BU2,FAD,H2S,S3H,SO4 ; X-RAY DIFFRACTION 2.299Å

e1lvlA2[A:1-150,A:266-335] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DIHYDROLIPOAMIDE DEHYDROGENASE ; ligands: FAD,NAD ; X-RAY DIFFRACTION 2.45Å

e1lvlA3[A:151-265] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DIHYDROLIPOAMIDE DEHYDROGENASE ; ligands: FAD,NAD ; X-RAY DIFFRACTION 2.45Å

e4nwzD1[D:1-111,D:262-396] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FAD-dependent pyridine nucleotide-disulfide oxidoreductase ; ligands: FAD ; X-RAY DIFFRACTION 2.5Å

e4nwzD2[D:112-261] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FAD-dependent pyridine nucleotide-disulfide oxidoreductase ; ligands: FAD ; X-RAY DIFFRACTION 2.5Å

e1ebdA2[A:155-271] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DIHYDROLIPOAMIDE DEHYDROGENASE ; ligands: FAD ; X-RAY DIFFRACTION 2.6Å

e1ojtA2[A:117-275,A:401-470] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SURFACE PROTEIN ; ligands: FAD ; X-RAY DIFFRACTION 2.75Å

e1ojtA3[A:276-400] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SURFACE PROTEIN ; ligands: FAD ; X-RAY DIFFRACTION 2.75Å

e1xdiA2[A:2-161,A:276-348] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Rv3303c-lpdA ; ligands: FAD ; X-RAY DIFFRACTION 2.8Å

e4gavB2[B:181-340] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Rotenone-insensitive NADH-ubiquinone oxidoreductase ; ligands: FAD,UQ2 ; X-RAY DIFFRACTION 3.0Å

e1h6vA2[A:10-170,A:293-366] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

THIOREDOXIN REDUCTASE ; ligands: FAD,NDP ; X-RAY DIFFRACTION 3.000Å

e1fcdA2[A:1-114,A:256-327] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

FLAVOCYTOCHROME C SULFIDE DEHYDROGENASE (FLAVIN-BINDING SUBUNIT) ; ligands: FAD,HEM ; X-RAY DIFFRACTION

e1gesA2[A:3-146,A:263-335] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

GLUTATHIONE REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION

e1gesA3[A:147-262] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

GLUTATHIONE REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION

e1nhpA2[A:1-119,A:243-321] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH PEROXIDASE ; ligands: FAD ; X-RAY DIFFRACTION

e1nhpA3[A:120-242] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH PEROXIDASE ; ligands: FAD,SO4 ; X-RAY DIFFRACTION

e5er0A3[A:120-240] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH oxidase ; ligands: EDO,FAD ; X-RAY DIFFRACTION 2.400Å

e5er0B3[B:120-240] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH oxidase ; ligands: EDO,FAD ; X-RAY DIFFRACTION 2.400Å

e5er0C2[C:120-240] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH oxidase ; ligands: FAD ; X-RAY DIFFRACTION 2.400Å

e5er0D1[D:120-240] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH oxidase ; ligands: EDO,FAD ; X-RAY DIFFRACTION 2.400Å

e4fx9A3[A:122-243] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COENZYME A DISULFIDE REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 2.7Å

e4fx9B1[B:122-243] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COENZYME A DISULFIDE REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION 2.7Å

e2bc0B2[B:120-253] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH Oxidase ; ligands: FAD ; X-RAY DIFFRACTION 1.96Å

e2bc1A3[A:120-253] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH Oxidase ; ligands: FAD ; X-RAY DIFFRACTION 2.15Å

e2bc1B1[B:120-253] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH Oxidase ; ligands: FAD ; X-RAY DIFFRACTION 2.15Å

e2bcpA1[A:120-253] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH Oxidase ; ligands: FAD ; X-RAY DIFFRACTION 2.10Å

e2bcpB1[B:120-253] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH Oxidase ; ligands: FAD ; X-RAY DIFFRACTION 2.10Å

e3kd9B1[B:119-240] Image Pymol Jmol Links: PDB, SCOP, CATH

Coenzyme A disulfide reductase ; X-RAY DIFFRACTION 2.75Å

e3kd9C1[C:119-240] Image Pymol Jmol Links: PDB, SCOP, CATH

Coenzyme A disulfide reductase ; X-RAY DIFFRACTION 2.75Å

e2bc0A1[A:120-253] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH Oxidase ; ligands: FAD ; X-RAY DIFFRACTION 1.96Å

e1trbA1[A:1-118,A:245-316] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

THIOREDOXIN REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION

e1trbA2[A:119-244] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

THIOREDOXIN REDUCTASE ; ligands: FAD ; X-RAY DIFFRACTION

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.

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