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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

X: Immunoglobulin-like beta-sandwich
H: Immunoglobulin-related
T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like
F: Transglut_C

PF00927 CL0159

Representatives:

e1ex0A2[A:516-627] nonrep Image Pymol Jmol Links: PDB, SCOP, CATHDOI

COAGULATION FACTOR XIII A CHAIN ; ligands: PO4 ; X-RAY DIFFRACTION 1.79Å

e1ex0A3[A:628-727] nonrep Image Pymol Jmol Links: PDB, SCOP, CATHDOI

COAGULATION FACTOR XIII A CHAIN ; X-RAY DIFFRACTION 1.79Å

e1ggtB3[B:628-727] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COAGULATION FACTOR XIII ; X-RAY DIFFRACTION

e1evuB3[B:628-727] Image Pymol Jmol Links: PDB, SCOP, CATH

COAGULATION FACTOR XIII ; X-RAY DIFFRACTION 2.01Å

e1gguB3[B:628-727] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (COAGULATION FACTOR XIII) ; X-RAY DIFFRACTION 2.1Å

e1gguA3[A:628-727] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (COAGULATION FACTOR XIII) ; X-RAY DIFFRACTION 2.1Å

e1fieB3[B:628-727] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COAGULATION FACTOR XIII ; X-RAY DIFFRACTION 2.5Å

e1evuA3[A:628-727] Image Pymol Jmol Links: PDB, SCOP, CATH

COAGULATION FACTOR XIII ; X-RAY DIFFRACTION 2.01Å

e1qrkB3[B:628-727] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (COAGULATION FACTOR XIII) ; X-RAY DIFFRACTION 2.5Å

e1ggyB3[B:628-727] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (COAGULATION FACTOR XIII) ; X-RAY DIFFRACTION 2.5Å

e1qrkA3[A:628-727] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (COAGULATION FACTOR XIII) ; X-RAY DIFFRACTION 2.5Å

e1ggyA3[A:628-727] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN (COAGULATION FACTOR XIII) ; X-RAY DIFFRACTION 2.5Å

e1fieA3[A:628-727] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COAGULATION FACTOR XIII ; X-RAY DIFFRACTION 2.5Å

e1nudA3[A:594-692] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein-glutamine glutamyltransferase E ; ligands: CL ; X-RAY DIFFRACTION 2.70Å

e1l9mB3[B:594-692] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein-glutamine glutamyltransferase E3 ; X-RAY DIFFRACTION 2.10Å

e1nugB3[B:594-692] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein-glutamine glutamyltransferase E ; X-RAY DIFFRACTION 2.40Å

e1l9nA3[A:594-692] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein-glutamine glutamyltransferase E3 ; X-RAY DIFFRACTION 2.10Å

e1nufA3[A:594-692] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein-glutamine glutamyltransferase E ; ligands: BR,CL ; X-RAY DIFFRACTION 2.70Å

e1l9nB3[B:594-692] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein-glutamine glutamyltransferase E3 ; X-RAY DIFFRACTION 2.10Å

e1nugA3[A:594-692] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein-glutamine glutamyltransferase E ; X-RAY DIFFRACTION 2.40Å

e1nudB3[B:594-692] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein-glutamine glutamyltransferase E ; ligands: CL ; X-RAY DIFFRACTION 2.70Å

e2xzzA1[A:-1-787] Image Pymol Jmol Links: PDB, SCOP, CATH

PROTEIN-GLUTAMINE GAMMA-GLUTAMYLTRANSFERASE K ; X-RAY DIFFRACTION 2.30Å

e4ktyA7[A:628-725] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COAGULATION FACTOR XIII A CHAIN ; ligands: GOL ; X-RAY DIFFRACTION 1.98Å

e4ktyB7[B:628-730] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COAGULATION FACTOR XIII A CHAIN ; X-RAY DIFFRACTION 1.98Å

e3s3jA20[A:586-685] Image Pymol Jmol Links: PDB, SCOP, CATH

PROTEIN-GLUTAMINE GAMMA-GLUTAMYLTRANSFERASE 2 ; X-RAY DIFFRACTION 2.25Å

e1ex0B7[B:628-730] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

COAGULATION FACTOR XIII A CHAIN ; X-RAY DIFFRACTION 1.79Å

e1f13B7[B:628-728] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CELLULAR COAGULATION FACTOR XIII ZYMOGEN ; X-RAY DIFFRACTION 2.1Å

e1ggtA7[A:628-729] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

COAGULATION FACTOR XIII ; X-RAY DIFFRACTION

e1f13A7[A:628-728] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CELLULAR COAGULATION FACTOR XIII ZYMOGEN ; X-RAY DIFFRACTION 2.1Å

e3ly6A8[A:586-688] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN-GLUTAMINE GAMMA-GLUTAMYLTRANSFERASE 2 ; X-RAY DIFFRACTION 3.14Å

e3ly6B12[B:586-688] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN-GLUTAMINE GAMMA-GLUTAMYLTRANSFERASE 2 ; X-RAY DIFFRACTION 3.14Å

e3ly6C12[C:586-688] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN-GLUTAMINE GAMMA-GLUTAMYLTRANSFERASE 2 ; X-RAY DIFFRACTION 3.14Å

e1kv3A7[A:586-687] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein-glutamine gamma-glutamyltransferase ; X-RAY DIFFRACTION 2.8Å

e1kv3D7[D:586-687] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein-glutamine gamma-glutamyltransferase ; X-RAY DIFFRACTION 2.8Å

e1kv3E7[E:586-687] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein-glutamine gamma-glutamyltransferase ; X-RAY DIFFRACTION 2.8Å

e1kv3C7[C:586-687] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein-glutamine gamma-glutamyltransferase ; X-RAY DIFFRACTION 2.8Å

e1kv3B7[B:586-687] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein-glutamine gamma-glutamyltransferase ; X-RAY DIFFRACTION 2.8Å

e1kv3F7[F:586-687] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein-glutamine gamma-glutamyltransferase ; X-RAY DIFFRACTION 2.8Å

e3s3sA4[A:586-683] Image Pymol Jmol Links: PDB, SCOP, CATH

PROTEIN-GLUTAMINE GAMMA-GLUTAMYLTRANSFERASE 2 ; X-RAY DIFFRACTION 2.3Å

e4pygA3[A:586-688] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein-glutamine gamma-glutamyltransferase 2 ; X-RAY DIFFRACTION 2.8Å

e4pygB2[B:586-688] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein-glutamine gamma-glutamyltransferase 2 ; X-RAY DIFFRACTION 2.8Å

e4pygE4[E:586-688] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein-glutamine gamma-glutamyltransferase 2 ; X-RAY DIFFRACTION 2.8Å

e3s3pA4[A:586-683] Image Pymol Jmol Links: PDB, SCOP, CATH

PROTEIN-GLUTAMINE GAMMA-GLUTAMYLTRANSFERASE 2 ; X-RAY DIFFRACTION 2.5Å

e5mhlB1[B:628-730] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Coagulation factor XIII A chain ; X-RAY DIFFRACTION 2.40Å

e5mhlA2[A:628-726] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Coagulation factor XIII A chain ; X-RAY DIFFRACTION 2.40Å

e5mhmA3[A:628-726] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Coagulation factor XIII A chain ; ligands: GOL ; X-RAY DIFFRACTION 2.12Å

e5mhmB4[B:628-725] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Coagulation factor XIII A chain ; ligands: SO4 ; X-RAY DIFFRACTION 2.12Å

e5mhnA3[A:628-725] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Coagulation factor XIII A chain ; X-RAY DIFFRACTION 2.48Å

e5mhnB1[B:628-725] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Coagulation factor XIII A chain ; ligands: SO4 ; X-RAY DIFFRACTION 2.48Å

e5mhoA4[A:628-725] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Coagulation factor XIII A chain ; X-RAY DIFFRACTION 2.92Å

e5mhoB2[B:628-725] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Coagulation factor XIII A chain ; ligands: SO4 ; X-RAY DIFFRACTION 2.92Å

e6a8pA4[A:586-688] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein-glutamine gamma-glutamyltransferase 2 ; X-RAY DIFFRACTION 2.537Å

e6a8pB2[B:586-692] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein-glutamine gamma-glutamyltransferase 2 ; X-RAY DIFFRACTION 2.537Å

e6a8pC4[C:586-687] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein-glutamine gamma-glutamyltransferase 2 ; X-RAY DIFFRACTION 2.537Å

e6kzbC2[C:586-687] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein-glutamine gamma-glutamyltransferase 2 ; X-RAY DIFFRACTION 3.55Å

e6kzbA1[A:586-687] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein-glutamine gamma-glutamyltransferase 2 ; X-RAY DIFFRACTION 3.55Å

e6kzbB2[B:586-687] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein-glutamine gamma-glutamyltransferase 2 ; X-RAY DIFFRACTION 3.55Å

e7tvzE4[E:587-689] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein 4.2 ; ELECTRON MICROSCOPY

e7tw0E1[E:587-689] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein 4.2 ; ELECTRON MICROSCOPY

e7tw1E1[E:587-689] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein 4.2 ; ELECTRON MICROSCOPY

e7tw1F2[F:587-689] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein 4.2 ; ELECTRON MICROSCOPY

e7tw3E2[E:587-689] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein 4.2 ; ELECTRON MICROSCOPY

e7tw5E4[E:587-689] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein 4.2 ; ELECTRON MICROSCOPY

e7tw6E2[E:587-689] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein 4.2 ; ELECTRON MICROSCOPY

e8cs9X3[X:587-689] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein 4.2 ; ELECTRON MICROSCOPY

e8cslX3[X:587-689] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein 4.2 ; ELECTRON MICROSCOPY

e8cswX1[X:587-691] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein 4.2 ; ELECTRON MICROSCOPY

e8cteX3[X:587-691] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein 4.2 ; ELECTRON MICROSCOPY

e7uzsX3[X:587-691] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein 4.2 ; ELECTRON MICROSCOPY

e7v0kX3[X:587-691] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein 4.2 ; ELECTRON MICROSCOPY

e7v0qX4[X:587-691] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein 4.2 ; ELECTRON MICROSCOPY

e8oxvA4[A:595-693] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; X-RAY DIFFRACTION 1.80Å

e2q3zA2[A:472-585] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transglutaminase 2 ; ligands: SO4 ; X-RAY DIFFRACTION 2.000Å

e2q3zA3[A:586-683] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transglutaminase 2 ; X-RAY DIFFRACTION 2.000Å

e1l9mA6[A:479-593] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein-glutamine glutamyltransferase E3 ; ligands: BR ; X-RAY DIFFRACTION 2.10Å

e1l9mA7[A:594-692] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protein-glutamine glutamyltransferase E3 ; X-RAY DIFFRACTION 2.10Å

e1g0dA3[A:584-684] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN-GLUTAMINE GAMMA-GLUTAMYLTRANSFERASE ; X-RAY DIFFRACTION 2.5Å

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: Glycosyl hydrolase domain-like

some similarity with Ig fold

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

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