Home Help

X - Possible homology level

H - Homology level

T - Topology level

F - Family level

* - Provisional representative


Keyword search


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

X: Thioredoxin-like
H: Thioredoxin-like
T: Thioredoxin-like
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.

Representatives:

e1m2dA1[A:3-103] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

[2Fe-2S] ferredoxin ; ligands: FES ; X-RAY DIFFRACTION 1.05Å

e1zmaA1[A:1-115] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

bacterocin transport accessory protein ; X-RAY DIFFRACTION 1.25Å

e5zkeB1[B:1-68] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Aminoacyl tRNA Synthetase Complex-Interacting Multifunctional Protein p43 ; X-RAY DIFFRACTION 1.492Å

e4gf0B3[B:3-32,B:52-85] * nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

GLUTATHIONE S-TRANSFERASE ; ligands: GSH ; X-RAY DIFFRACTION 1.75Å

e7pqfA1[A:1-105,A:126-194] * nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Thiol:disulfide interchange protein DsbA/DsbL ; X-RAY DIFFRACTION 1.81Å

e3h1nB4[B:-8-80] * nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

PROBABLE GLUTATHIONE S-TRANSFERASE ; ligands: CL ; X-RAY DIFFRACTION 1.83Å

e1hyuA3[A:1-102] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ALKYL HYDROPEROXIDE REDUCTASE SUBUNIT F ; X-RAY DIFFRACTION 2.0Å

e3ed3A2[A:157-301] * nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN DISULFIDE-ISOMERASE MPD1 ; ligands: ACT,EDO ; X-RAY DIFFRACTION 2.0Å

e2fnoA2[A:1-87] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

AGR_pAT_752p ; X-RAY DIFFRACTION 2.00Å

e6vw7D4[D:1-101] * nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NAD-dependent formate dehydrogenase beta subunit ; X-RAY DIFFRACTION 2.000Å

e3kzqA1[A:1-50,A:149-206] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

Putative uncharacterized protein VP2116 ; ligands: PG6 ; X-RAY DIFFRACTION 2.1Å

e2b5eA2[A:142-239] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN DISULFIDE-ISOMERASE ; ligands: BA ; X-RAY DIFFRACTION 2.4Å

e3apoA3[A:234-348] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNAJ HOMOLOG SUBFAMILY C MEMBER 10 ; X-RAY DIFFRACTION 2.4Å

e3apoA4[A:349-453] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNAJ HOMOLOG SUBFAMILY C MEMBER 10 ; X-RAY DIFFRACTION 2.4Å

e5zkhA1[A:2-68] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

Aminoacyl tRNA synthetase complex-interacting multifunctional protein P43 ; X-RAY DIFFRACTION 3.000Å

e3kp9A2[A:183-279] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

VKORC1/thioredoxin domain protein ; ligands: HG ; X-RAY DIFFRACTION 3.6Å

e6tg9B3[B:1-93] * nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Formate dehydrogenase subunit beta ; ELECTRON MICROSCOPY

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