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

X: Alpha-beta plaits
H: ACT-like
T: ACT-like
F: AHAS-like_ACT

PF22629

Representatives:

e2f1fA1[A:2-77] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase isozyme III small subunit ; ligands: MG ; X-RAY DIFFRACTION 1.75Å

e2pc6A1[A:2-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Probable acetolactate synthase isozyme III (Small subunit) ; ligands: CA ; X-RAY DIFFRACTION 2.500Å

e2fgcA2[A:28,A:30-104] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

acetolactate synthase, small subunit ; ligands: MG ; X-RAY DIFFRACTION 2.3Å

e2pc6B1[B:2-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Probable acetolactate synthase isozyme III (Small subunit) ; ligands: CA ; X-RAY DIFFRACTION 2.500Å

e2pc6D1[D:2-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Probable acetolactate synthase isozyme III (Small subunit) ; X-RAY DIFFRACTION 2.500Å

e2f1fB1[B:2-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase isozyme III small subunit ; X-RAY DIFFRACTION 1.75Å

e2pc6C1[C:2-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Probable acetolactate synthase isozyme III (Small subunit) ; ligands: CA ; X-RAY DIFFRACTION 2.500Å

e5yppE1[E:8-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase isozyme 1 small subunit ; ligands: PEG,VAL ; X-RAY DIFFRACTION 1.9Å

e5yppA1[A:9-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase isozyme 1 small subunit ; ligands: PEG,VAL ; X-RAY DIFFRACTION 1.9Å

e5yppB1[B:9-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase isozyme 1 small subunit ; ligands: PEG,VAL ; X-RAY DIFFRACTION 1.9Å

e5yppC1[C:9-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase isozyme 1 small subunit ; ligands: PEG,VAL ; X-RAY DIFFRACTION 1.9Å

e5yppD1[D:9-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase isozyme 1 small subunit ; ligands: PEG,VAL ; X-RAY DIFFRACTION 1.9Å

e5yppF1[F:9-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase isozyme 1 small subunit ; ligands: ACT,PEG,VAL ; X-RAY DIFFRACTION 1.9Å

e5ypwA1[A:9-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase isozyme 1 small subunit ; ligands: VAL ; X-RAY DIFFRACTION 2.30Å

e5ypwB1[B:9-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase isozyme 1 small subunit ; ligands: VAL ; X-RAY DIFFRACTION 2.30Å

e5ypwC1[C:9-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase isozyme 1 small subunit ; ligands: VAL ; X-RAY DIFFRACTION 2.30Å

e5ypwD1[D:9-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase isozyme 1 small subunit ; ligands: VAL ; X-RAY DIFFRACTION 2.30Å

e5ypwE1[E:9-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase isozyme 1 small subunit ; ligands: VAL ; X-RAY DIFFRACTION 2.30Å

e5ypwF1[F:8-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase isozyme 1 small subunit ; ligands: VAL ; X-RAY DIFFRACTION 2.30Å

e5ypwG1[G:9-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase isozyme 1 small subunit ; ligands: VAL ; X-RAY DIFFRACTION 2.30Å

e5ypwH1[H:9-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase isozyme 1 small subunit ; ligands: VAL ; X-RAY DIFFRACTION 2.30Å

e5ypyA1[A:8-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase isozyme 1 small subunit ; ligands: VAL ; X-RAY DIFFRACTION 1.966Å

e5ypyB1[B:9-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase isozyme 1 small subunit ; ligands: VAL ; X-RAY DIFFRACTION 1.966Å

e5ypyC1[C:8-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase isozyme 1 small subunit ; ligands: VAL ; X-RAY DIFFRACTION 1.966Å

e5ypyD1[D:9-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase isozyme 1 small subunit ; ligands: VAL ; X-RAY DIFFRACTION 1.966Å

e5yumA1[A:8-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase isozyme 1 small subunit ; ligands: CO,ILE ; X-RAY DIFFRACTION 2.43Å

e6u60A2[A:296-378] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Prephenate dehydrogenase ; ligands: PO4,TYR ; X-RAY DIFFRACTION 2.100Å

e6u60B2[B:296-378] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Prephenate dehydrogenase ; ligands: PO4,TYR ; X-RAY DIFFRACTION 2.100Å

e6u9hG2[G:307-394] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase small subunit 2, chloroplastic ; ELECTRON MICROSCOPY

e6u9hK2[K:307-394] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase small subunit 2, chloroplastic ; ELECTRON MICROSCOPY

e6u9hO2[O:307-394] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase small subunit 2, chloroplastic ; ELECTRON MICROSCOPY

e6u9hS1[S:307-394] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase small subunit 2, chloroplastic ; ELECTRON MICROSCOPY

e6vz8G1[G:317-394] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase small subunit 2, chloroplastic ; ligands: VAL ; ELECTRON MICROSCOPY

e6vz8K2[K:317-394] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase small subunit 2, chloroplastic ; ligands: VAL ; ELECTRON MICROSCOPY

e6vz8O2[O:317-394] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase small subunit 2, chloroplastic ; ligands: VAL ; ELECTRON MICROSCOPY

e6vz8S2[S:317-394] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase small subunit 2, chloroplastic ; ligands: VAL ; ELECTRON MICROSCOPY

e6u9hF1[F:87-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase small subunit 2, chloroplastic ; ELECTRON MICROSCOPY

e6u9hJ2[J:87-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase small subunit 2, chloroplastic ; ELECTRON MICROSCOPY

e6u9hN1[N:87-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase small subunit 2, chloroplastic ; ELECTRON MICROSCOPY

e6u9hR2[R:87-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase small subunit 2, chloroplastic ; ELECTRON MICROSCOPY

e6vz8F2[F:83-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase small subunit 2, chloroplastic ; ligands: VAL ; ELECTRON MICROSCOPY

e6vz8J2[J:83-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase small subunit 2, chloroplastic ; ligands: VAL ; ELECTRON MICROSCOPY

e6vz8N2[N:83-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase small subunit 2, chloroplastic ; ligands: VAL ; ELECTRON MICROSCOPY

e6vz8R2[R:83-159] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase small subunit 2, chloroplastic ; ligands: VAL ; ELECTRON MICROSCOPY

e6lpiE1[E:7-95] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase isozyme 1 small subunit ; X-RAY DIFFRACTION 2.849Å

e6lpiF1[F:8-96] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase isozyme 1 small subunit ; X-RAY DIFFRACTION 2.849Å

e6lpiG1[G:8-95] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase isozyme 1 small subunit ; X-RAY DIFFRACTION 2.849Å

e6lpiH1[H:8-95] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetolactate synthase isozyme 1 small subunit ; X-RAY DIFFRACTION 2.849Å

e1y7pA1[A:2-78] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

Hypothetical protein AF1403 ; X-RAY DIFFRACTION 1.9Å

e1sc6A1[A:327-410] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

D-3-phosphoglycerate dehydrogenase ; X-RAY DIFFRACTION 2.09Å

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.

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