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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 domain in Acetyl-CoA synthetase-like proteins
H: Rossmann-like domain in Acetyl-CoA synthetase-like proteins
T: Rossmann-like domain in Acetyl-CoA synthetase-like proteins
F: AMP-binding,ACAS_N

PF00501 PF16177

Representatives:

e1pg4A3[A:5-249] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

acetyl-CoA synthetase ; ligands: CL,COA,EDO ; X-RAY DIFFRACTION 1.75Å

e4r0mA4[A:5-169] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

McyG protein ; X-RAY DIFFRACTION 2.45Å

e1pg3A3[A:5-248] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

acetyl-CoA synthetase ; ligands: COA,EDO ; X-RAY DIFFRACTION 2.29Å

e1pg4B3[B:5-248] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

acetyl-CoA synthetase ; ligands: CL,COA,EDO ; X-RAY DIFFRACTION 1.75Å

e1pg3B3[B:5-248] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

acetyl-CoA synthetase ; ligands: COA,EDO ; X-RAY DIFFRACTION 2.29Å

e2p20A1[A:5-249] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetyl-coenzyme A synthetase ; X-RAY DIFFRACTION 2.220Å

e2p20B3[B:6-249] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetyl-coenzyme A synthetase ; X-RAY DIFFRACTION 2.220Å

e2p2bB3[B:5-249] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetyl-coenzyme A synthetase ; ligands: COA ; X-RAY DIFFRACTION 2.200Å

e2p2fA3[A:6-249] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetyl-coenzyme A synthetase ; ligands: COA ; X-RAY DIFFRACTION 2.58Å

e2p2jB3[B:5-249] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetyl-coenzyme A synthetase ; ligands: COA ; X-RAY DIFFRACTION 2.300Å

e2p2mA3[A:5-249] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetyl-coenzyme A synthetase ; X-RAY DIFFRACTION 2.100Å

e2p2qA3[A:6-249] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetyl-coenzyme A synthetase ; X-RAY DIFFRACTION 2.400Å

e2p2qB3[B:5-249] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetyl-coenzyme A synthetase ; X-RAY DIFFRACTION 2.400Å

e2p2fB8[B:5-249] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetyl-coenzyme A synthetase ; ligands: COA ; X-RAY DIFFRACTION 2.58Å

e2p2bA8[A:5-249] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetyl-coenzyme A synthetase ; ligands: COA ; X-RAY DIFFRACTION 2.200Å

e2p2jA8[A:5-249] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetyl-coenzyme A synthetase ; ligands: COA ; X-RAY DIFFRACTION 2.300Å

e2p2mB8[B:5-249] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetyl-coenzyme A synthetase ; X-RAY DIFFRACTION 2.100Å

e1ry2A8[A:74-305] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

acetyl-coenzyme A synthetase 1 ; X-RAY DIFFRACTION 2.30Å

e5ifiA4[A:11-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO ; X-RAY DIFFRACTION 1.950Å

e5ifiB1[B:11-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO,PO4 ; X-RAY DIFFRACTION 1.950Å

e5ifiC2[C:39-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO ; X-RAY DIFFRACTION 1.950Å

e5k8fA1[A:10-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO,MG ; X-RAY DIFFRACTION 2.450Å

e5k8fB2[B:11-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO ; X-RAY DIFFRACTION 2.450Å

e5k8fC2[C:11-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO,MG,PO4 ; X-RAY DIFFRACTION 2.450Å

e5k85A4[A:10-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO ; X-RAY DIFFRACTION 2.3Å

e5k85B4[B:11-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO,PO4 ; X-RAY DIFFRACTION 2.3Å

e5k85C4[C:25-35,C:39-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: COA,EDO ; X-RAY DIFFRACTION 2.3Å

e5jrhA2[A:5-249] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetyl-coenzyme A synthetase ; ligands: BU3,COA ; X-RAY DIFFRACTION 1.644Å

e5jrhB4[B:6-249] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acetyl-coenzyme A synthetase ; ligands: BU3,COA ; X-RAY DIFFRACTION 1.644Å

e5vpvA4[A:13-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: GOL ; X-RAY DIFFRACTION 2.60Å

e5vpvB3[B:2-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: GOL ; X-RAY DIFFRACTION 2.60Å

e5vpvC1[C:25-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: GOL ; X-RAY DIFFRACTION 2.60Å

e5gxdA3[A:2-226] Image Pymol Jmol Links: PDB, SCOP, CATH

AMP-dependent synthetase and ligase ; ligands: COA,GOL ; X-RAY DIFFRACTION 2.0008Å

e5u29A4[A:10-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO,PO4 ; X-RAY DIFFRACTION 2.500Å

e5u29B2[B:11-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO ; X-RAY DIFFRACTION 2.500Å

e5u29C3[C:10-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO,PO4 ; X-RAY DIFFRACTION 2.500Å

e7kdnD1[D:44-267] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; X-RAY DIFFRACTION 2.800Å

e7kdnF4[F:44-267] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; X-RAY DIFFRACTION 2.800Å

e7knoA3[A:10-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO,PO4 ; X-RAY DIFFRACTION 1.800Å

e7knoB1[B:10-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO,PO4 ; X-RAY DIFFRACTION 1.800Å

e7knpA3[A:10-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO,PO4 ; X-RAY DIFFRACTION 2.250Å

e7knpB4[B:10-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO,PO4 ; X-RAY DIFFRACTION 2.250Å

e7l4gA3[A:10-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO ; X-RAY DIFFRACTION 2.200Å

e7l4gB4[B:10-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO,PO4 ; X-RAY DIFFRACTION 2.200Å

e7knoC2[C:25-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO,PO4 ; X-RAY DIFFRACTION 1.800Å

e7l4gC3[C:25-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO,PO4 ; X-RAY DIFFRACTION 2.200Å

e7knpC2[C:26-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO ; X-RAY DIFFRACTION 2.250Å

e7mmzA4[A:12-227] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; X-RAY DIFFRACTION 2.400Å

e7kdnB1[B:21-269] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; X-RAY DIFFRACTION 2.800Å

e8epsB4[B:10-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; X-RAY DIFFRACTION 2.650Å

e8g0uA2[A:10-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO ; X-RAY DIFFRACTION 1.90Å

e8g0vA1[A:10-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO ; X-RAY DIFFRACTION 1.90Å

e8g0vB1[B:10-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO,PO4 ; X-RAY DIFFRACTION 1.90Å

e8epsA3[A:11-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; X-RAY DIFFRACTION 2.650Å

e8epsC1[C:11-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; X-RAY DIFFRACTION 2.650Å

e8g0rA3[A:11-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; X-RAY DIFFRACTION 2.60Å

e8g0rB2[B:11-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; X-RAY DIFFRACTION 2.60Å

e8g0rC3[C:11-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; X-RAY DIFFRACTION 2.60Å

e8g0tA4[A:11-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO ; X-RAY DIFFRACTION 2.45Å

e8g0tB1[B:11-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO ; X-RAY DIFFRACTION 2.45Å

e8g0tC2[C:11-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO ; X-RAY DIFFRACTION 2.45Å

e8g0uB1[B:11-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO ; X-RAY DIFFRACTION 1.90Å

e8g0vC4[C:11-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO ; X-RAY DIFFRACTION 1.90Å

e8g0sA3[A:15-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; X-RAY DIFFRACTION 2.90Å

e8g0sC1[C:15-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; X-RAY DIFFRACTION 2.90Å

e8g0sB2[B:25-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; X-RAY DIFFRACTION 2.90Å

e8g0uC2[C:47-274] Image Pymol Jmol Links: PDB, SCOP, CATH

Acetyl-coenzyme A synthetase ; ligands: EDO ; X-RAY DIFFRACTION 1.90Å

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