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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: Nucleotide-binding domain
F: Pyr_redox_2

PF07992 CL0063

Representatives:

e1gteA5[A:184-287,A:441-532] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DIHYDROPYRIMIDINE DEHYDROGENASE ; ligands: FAD,SF4 ; X-RAY DIFFRACTION 1.650Å

e4ylfB1[B:142-234,B:406-468] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase subunit A ; ligands: FAD,PO4,SF4 ; X-RAY DIFFRACTION 2.3Å

e4ylfD1[D:142-234,D:406-468] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase subunit A ; ligands: FAD,SF4 ; X-RAY DIFFRACTION 2.3Å

e4yryB1[B:142-234,B:406-468] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase subunit A ; ligands: FAD,SF4 ; X-RAY DIFFRACTION 2.4Å

e4yryD1[D:142-234,D:406-468] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase subunit A ; ligands: FAD,NAD,SF4 ; X-RAY DIFFRACTION 2.4Å

e5jcaL2[L:156-248,L:418-472] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH-dependent Ferredoxin:NADP Oxidoreductase (NfnI) subunit alpha ; ligands: FAD,GOL,NDP,SF4 ; X-RAY DIFFRACTION 1.5Å

e5jfcL2[L:156-248,L:418-472] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NADH-dependent Ferredoxin:NADP Oxidoreductase subunit alpha ; ligands: FAD,SF4 ; X-RAY DIFFRACTION 1.589Å

e5vj7A3[A:156-248,A:419-473] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Oxidoreductase ; ligands: FAD,SF4 ; X-RAY DIFFRACTION 2.55Å

e1gt8A5[A:184-287,A:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DIHYDROPYRIMIDINE DEHYDROGENASE ; ligands: FAD,NDP,SF4 ; X-RAY DIFFRACTION 3.300Å

e1gt8B5[B:184-287,B:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DIHYDROPYRIMIDINE DEHYDROGENASE ; ligands: FAD,NDP ; X-RAY DIFFRACTION 3.300Å

e1gt8C5[C:184-287,C:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DIHYDROPYRIMIDINE DEHYDROGENASE ; ligands: FAD,NDP,SF4 ; X-RAY DIFFRACTION 3.300Å

e1gt8D5[D:184-287,D:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DIHYDROPYRIMIDINE DEHYDROGENASE ; ligands: FAD,NDP,SF4 ; X-RAY DIFFRACTION 3.300Å

e1gteB5[B:184-287,B:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DIHYDROPYRIMIDINE DEHYDROGENASE ; ligands: FAD,SF4 ; X-RAY DIFFRACTION 1.650Å

e1gteC5[C:184-287,C:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DIHYDROPYRIMIDINE DEHYDROGENASE ; ligands: FAD,SF4 ; X-RAY DIFFRACTION 1.650Å

e1gteD5[D:184-287,D:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DIHYDROPYRIMIDINE DEHYDROGENASE ; ligands: FAD,SF4 ; X-RAY DIFFRACTION 1.650Å

e1gthA5[A:184-287,A:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DIHYDROPYRIMIDINE DEHYDROGENASE ; ligands: FAD,NDP,SF4 ; X-RAY DIFFRACTION 2.250Å

e1gthB5[B:184-287,B:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DIHYDROPYRIMIDINE DEHYDROGENASE ; ligands: FAD,NDP,SF4 ; X-RAY DIFFRACTION 2.250Å

e1gthC5[C:184-287,C:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DIHYDROPYRIMIDINE DEHYDROGENASE ; ligands: FAD,NDP,SF4 ; X-RAY DIFFRACTION 2.250Å

e1gthD5[D:184-287,D:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DIHYDROPYRIMIDINE DEHYDROGENASE ; ligands: FAD,NDP,SF4 ; X-RAY DIFFRACTION 2.250Å

e1h7wA5[A:184-287,A:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DIHYDROPYRIMIDINE DEHYDROGENASE ; ligands: FAD,SF4 ; X-RAY DIFFRACTION 1.900Å

e1h7wB5[B:184-287,B:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DIHYDROPYRIMIDINE DEHYDROGENASE ; ligands: FAD,SF4 ; X-RAY DIFFRACTION 1.900Å

e1h7wC5[C:184-287,C:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DIHYDROPYRIMIDINE DEHYDROGENASE ; ligands: FAD,SF4 ; X-RAY DIFFRACTION 1.900Å

e1h7wD5[D:184-287,D:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DIHYDROPYRIMIDINE DEHYDROGENASE ; ligands: FAD,SF4 ; X-RAY DIFFRACTION 1.900Å

e1h7xA5[A:184-287,A:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DIHYDROPYRIMIDINE DEHYDROGENASE ; ligands: FAD,NDP,SF4 ; X-RAY DIFFRACTION 2.000Å

e1h7xB5[B:184-287,B:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DIHYDROPYRIMIDINE DEHYDROGENASE ; ligands: FAD,NDP,SF4 ; X-RAY DIFFRACTION 2.000Å

e1h7xC5[C:184-287,C:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DIHYDROPYRIMIDINE DEHYDROGENASE ; ligands: FAD,NDP,SF4 ; X-RAY DIFFRACTION 2.000Å

e1h7xD5[D:184-287,D:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DIHYDROPYRIMIDINE DEHYDROGENASE ; ligands: FAD,NDP,SF4 ; X-RAY DIFFRACTION 2.000Å

e7ljsD4[D:184-287,D:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: FAD,SF4 ; X-RAY DIFFRACTION 1.99Å

e7ljsB5[B:184-287,B:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: FAD,SF4 ; X-RAY DIFFRACTION 1.99Å

e7ljtB5[B:184-287,B:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: FAD,NAP,SF4 ; X-RAY DIFFRACTION 1.980Å

e7ljtC5[C:184-287,C:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: FAD,NAP,SF4 ; X-RAY DIFFRACTION 1.980Å

e7ljtD2[D:184-287,D:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: FAD,NAP,SF4 ; X-RAY DIFFRACTION 1.980Å

e7ljuC5[C:184-287,C:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: FAD,NAP,SF4 ; X-RAY DIFFRACTION 1.870Å

e7ljuD1[D:184-287,D:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: FAD,NAP,SF4 ; X-RAY DIFFRACTION 1.870Å

e7ljuB4[B:184-287,B:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: FAD,NAP,SF4 ; X-RAY DIFFRACTION 1.870Å

e7ljsA1[A:184-287,A:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: FAD,SF4 ; X-RAY DIFFRACTION 1.99Å

e7ljsC5[C:184-287,C:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: FAD,SF4 ; X-RAY DIFFRACTION 1.99Å

e7ljtA3[A:184-287,A:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: FAD,NAP,SF4 ; X-RAY DIFFRACTION 1.980Å

e7ljuA2[A:184-287,A:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: FAD,NAP,SF4 ; X-RAY DIFFRACTION 1.870Å

e7m31D2[D:184-287,D:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: FAD,NAP,PRO,SF4 ; X-RAY DIFFRACTION 1.690Å

e7m31A1[A:184-287,A:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: FAD,NAP,PRO,SF4 ; X-RAY DIFFRACTION 1.690Å

e7m31C5[C:184-287,C:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: FAD,NAP,PRO,SF4 ; X-RAY DIFFRACTION 1.690Å

e7m32C1[C:184-287,C:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: ALA,FAD,LEU,PRO,SF4 ; X-RAY DIFFRACTION 1.820Å

e7m31B4[B:184-287,B:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: FAD,NAP,PRO,SF4 ; X-RAY DIFFRACTION 1.690Å

e7m32A1[A:184-287,A:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: ALA,FAD,LEU,PRO,SF4 ; X-RAY DIFFRACTION 1.820Å

e7m32B5[B:184-287,B:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: ALA,FAD,LEU,PRO,SF4 ; X-RAY DIFFRACTION 1.820Å

e7m32D4[D:184-287,D:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: ALA,FAD,LEU,PRO,SF4 ; X-RAY DIFFRACTION 1.820Å

e8f61A3[A:184-287,A:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: FAD,SF4 ; X-RAY DIFFRACTION 2.14Å

e8f61C2[C:184-287,C:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: FAD,SF4 ; X-RAY DIFFRACTION 2.14Å

e8f6nA1[A:184-287,A:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: FAD,SF4 ; X-RAY DIFFRACTION 2.12Å

e8f6nC1[C:184-287,C:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: FAD,SF4 ; X-RAY DIFFRACTION 2.12Å

e8f5wA3[A:184-287,A:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: FAD,NAP,SF4 ; X-RAY DIFFRACTION 1.97Å

e8f5wB5[B:184-287,B:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: FAD,NAP,SF4 ; X-RAY DIFFRACTION 1.97Å

e8f5wC3[C:184-287,C:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: FAD,NAP,SF4 ; X-RAY DIFFRACTION 1.97Å

e8f5wD2[D:184-287,D:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: FAD,NAP,SF4 ; X-RAY DIFFRACTION 1.97Å

e8f61B3[B:184-287,B:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: FAD,SF4 ; X-RAY DIFFRACTION 2.14Å

e8f61D1[D:184-287,D:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: FAD,SF4 ; X-RAY DIFFRACTION 2.14Å

e8f6nB5[B:184-287,B:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: FAD,SF4 ; X-RAY DIFFRACTION 2.12Å

e8f6nD2[D:184-287,D:441-532] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Dihydropyrimidine dehydrogenase [NADP(+)] ; ligands: FAD ; X-RAY DIFFRACTION 2.12Å

e1djqA3[A:341-489,A:646-729] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TRIMETHYLAMINE DEHYDROGENASE ; ligands: ADP,FMN,SF4 ; X-RAY DIFFRACTION 2.22Å

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