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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: Flavodoxin-like
H: Class I glutamine amidotransferase-like
T: ATC-like
F: Asp_Glu_race

PF01177 CL0399

Representatives:

e1jflA1[A:1-115] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ASPARTATE RACEMASE ; X-RAY DIFFRACTION 1.9Å

e3outA1[A:2-104] Image Pymol Jmol Links: PDB, SCOP, CATH

Glutamate racemase ; ligands: DGL ; X-RAY DIFFRACTION 1.65Å

e3outB1[B:2-104] Image Pymol Jmol Links: PDB, SCOP, CATH

Glutamate racemase ; ligands: DGL ; X-RAY DIFFRACTION 1.65Å

e3outC1[C:2-104] Image Pymol Jmol Links: PDB, SCOP, CATH

Glutamate racemase ; ligands: DGL ; X-RAY DIFFRACTION 1.65Å

e5ijwA2[A:-1-111] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate racemase ; ligands: DGL,IOD ; X-RAY DIFFRACTION 1.76Å

e5ijwB2[B:-1-111] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate racemase ; ligands: DGL ; X-RAY DIFFRACTION 1.76Å

e1b73A1[A:1-105] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; X-RAY DIFFRACTION 2.3Å

e1jflB1[B:1-115] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ASPARTATE RACEMASE ; X-RAY DIFFRACTION 1.9Å

e3hfrA1[A:0-107] Image Pymol Jmol Links: PDB, SCOP, CATH

Glutamate racemase ; ligands: 6JZ,CL ; X-RAY DIFFRACTION 2.30Å

e3ojcA2[A:2-117] Image Pymol Jmol Links: PDB, SCOP, CATH

Putative aspartate/glutamate racemase ; ligands: HEZ ; X-RAY DIFFRACTION 1.75Å

e3qvjA1[A:111-247] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative hydantoin racemase ; ligands: CL ; X-RAY DIFFRACTION 2.100Å

e3qvjA2[A:3-112] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative hydantoin racemase ; ligands: CL ; X-RAY DIFFRACTION 2.100Å

e3s81A1[A:1-115] Image Pymol Jmol Links: PDB, SCOP, CATH

PUTATIVE ASPARTATE RACEMASE ; ligands: CL,SO4 ; X-RAY DIFFRACTION 1.8Å

e3s7zA1[A:0-115] Image Pymol Jmol Links: PDB, SCOP, CATH

Putative aspartate racemase ; ligands: SIN ; X-RAY DIFFRACTION 2.0Å

e3uhfA1[A:-7-105] Image Pymol Jmol Links: PDB, SCOP, CATH

GLUTAMATE RACEMASE ; ligands: CL,DGL,GOL ; X-RAY DIFFRACTION 1.83Å

e2dwuA1[A:5-112] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: DGL ; X-RAY DIFFRACTION 1.6Å

e2jfoA2[A:2-109] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: GLU ; X-RAY DIFFRACTION 2.5Å

e2jfuA2[A:1-112] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: PO4 ; X-RAY DIFFRACTION 1.8Å

e2jfnA1[A:20-124] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: GLU,UMA ; X-RAY DIFFRACTION 1.9Å

e2dx7A2[A:1-115] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

aspartate racemase ; ligands: CIT ; X-RAY DIFFRACTION 1.9Å

e2dwuB2[B:5-112] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: DGL,GOL,K ; X-RAY DIFFRACTION 1.6Å

e2dwuC2[C:5-112] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: DGL,K ; X-RAY DIFFRACTION 1.6Å

e2jfoB1[B:2-109] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: DGL,GLU ; X-RAY DIFFRACTION 2.5Å

e2jfpA1[A:2-109] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: CA,DGL ; X-RAY DIFFRACTION 1.980Å

e2jfpB1[B:2-109] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: CA,DGL ; X-RAY DIFFRACTION 1.980Å

e2jfvA1[A:1-112] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: FLC ; X-RAY DIFFRACTION 1.8Å

e2jfwA1[A:1-112] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: TLA ; X-RAY DIFFRACTION 2.0Å

e2dx7B2[B:1-115] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

aspartate racemase ; X-RAY DIFFRACTION 1.9Å

e2ohgA1[A:1-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; X-RAY DIFFRACTION 2.5Å

e2ohvA1[A:1-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: NHL ; X-RAY DIFFRACTION 2.5Å

e2vvtA1[A:-5-109] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: DGL,I24 ; X-RAY DIFFRACTION 1.65Å

e2vvtB1[B:3-109] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: DGL,I24 ; X-RAY DIFFRACTION 1.65Å

e2zskA1[A:1-114] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

226AA LONG HYPOTHETICAL ASPARTATE RACEMASE ; X-RAY DIFFRACTION 2.55Å

e2zskB1[B:1-114] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

226AA LONG HYPOTHETICAL ASPARTATE RACEMASE ; X-RAY DIFFRACTION 2.55Å

e3hfrB1[B:1-107] Image Pymol Jmol Links: PDB, SCOP, CATH

Glutamate racemase ; ligands: 6JZ,CL ; X-RAY DIFFRACTION 2.30Å

e3istA1[A:-2-107] Image Pymol Jmol Links: PDB, SCOP, CATH

Glutamate racemase ; ligands: CL,SIN ; X-RAY DIFFRACTION 1.65Å

e3istB1[B:1-107] Image Pymol Jmol Links: PDB, SCOP, CATH

Glutamate racemase ; ligands: CL,SIN ; X-RAY DIFFRACTION 1.65Å

e3isvA1[A:0-107] Image Pymol Jmol Links: PDB, SCOP, CATH

Glutamate racemase ; ligands: ACT,CA,CL ; X-RAY DIFFRACTION 1.85Å

e3isvB1[B:1-107] Image Pymol Jmol Links: PDB, SCOP, CATH

Glutamate racemase ; X-RAY DIFFRACTION 1.85Å

e3ojcB1[B:2-117] Image Pymol Jmol Links: PDB, SCOP, CATH

Putative aspartate/glutamate racemase ; ligands: CA,HEZ ; X-RAY DIFFRACTION 1.75Å

e3ojcC1[C:2-117] Image Pymol Jmol Links: PDB, SCOP, CATH

Putative aspartate/glutamate racemase ; ligands: HEZ ; X-RAY DIFFRACTION 1.75Å

e3ojcD1[D:2-117] Image Pymol Jmol Links: PDB, SCOP, CATH

Putative aspartate/glutamate racemase ; ligands: HEZ ; X-RAY DIFFRACTION 1.75Å

e3qvjB1[B:3-112] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative hydantoin racemase ; ligands: CL ; X-RAY DIFFRACTION 2.100Å

e3qvjB2[B:111-247] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative hydantoin racemase ; ligands: CL ; X-RAY DIFFRACTION 2.100Å

e3qvkA1[A:3-112] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative hydantoin racemase ; ligands: 2AL ; X-RAY DIFFRACTION 1.999Å

e3qvkA2[A:111-247] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative hydantoin racemase ; ligands: 2AL ; X-RAY DIFFRACTION 1.999Å

e3qvkB1[B:3-112] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative hydantoin racemase ; ligands: 2AL ; X-RAY DIFFRACTION 1.999Å

e3qvkB2[B:111-247] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative hydantoin racemase ; ligands: 2AL ; X-RAY DIFFRACTION 1.999Å

e3qvlB1[B:3-112] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative hydantoin racemase ; ligands: 5HY ; X-RAY DIFFRACTION 1.820Å

e3qvlB2[B:111-247] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative hydantoin racemase ; ligands: 5HY ; X-RAY DIFFRACTION 1.820Å

e3s81B1[B:-6-115] Image Pymol Jmol Links: PDB, SCOP, CATH

PUTATIVE ASPARTATE RACEMASE ; ligands: CL,SO4 ; X-RAY DIFFRACTION 1.8Å

e3s81C1[C:-5-115] Image Pymol Jmol Links: PDB, SCOP, CATH

PUTATIVE ASPARTATE RACEMASE ; ligands: CL,SO4 ; X-RAY DIFFRACTION 1.8Å

e3s81D1[D:1-115] Image Pymol Jmol Links: PDB, SCOP, CATH

PUTATIVE ASPARTATE RACEMASE ; ligands: CL,SO4 ; X-RAY DIFFRACTION 1.8Å

e3s7zB1[B:-2-115] Image Pymol Jmol Links: PDB, SCOP, CATH

Putative aspartate racemase ; ligands: SIN,SUC ; X-RAY DIFFRACTION 2.0Å

e2eq5A2[A:3-100] Image Pymol Jmol Links: PDB, SCOP, CATH

228aa long hypothetical hydantoin racemase ; X-RAY DIFFRACTION 2.2Å

e2eq5B2[B:3-100] Image Pymol Jmol Links: PDB, SCOP, CATH

228aa long hypothetical hydantoin racemase ; X-RAY DIFFRACTION 2.2Å

e2eq5C2[C:3-100] Image Pymol Jmol Links: PDB, SCOP, CATH

228aa long hypothetical hydantoin racemase ; X-RAY DIFFRACTION 2.2Å

e3qvlA4[A:102-247] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative hydantoin racemase ; ligands: 5HY ; X-RAY DIFFRACTION 1.820Å

e2jfqA3[A:1-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: DGL ; X-RAY DIFFRACTION 2.130Å

e2jfqB3[B:1-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: DGL ; X-RAY DIFFRACTION 2.130Å

e3uhoA7[A:1-105] Image Pymol Jmol Links: PDB, SCOP, CATH

GLUTAMATE RACEMASE ; ligands: CA,CL,DGL,EDO ; X-RAY DIFFRACTION 2.2Å

e3uhoB7[B:1-105] Image Pymol Jmol Links: PDB, SCOP, CATH

GLUTAMATE RACEMASE ; ligands: CA,CL,DGL,EDO ; X-RAY DIFFRACTION 2.2Å

e2gzmA3[A:2-107] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate racemase ; ligands: DGL ; X-RAY DIFFRACTION 1.990Å

e2gzmB3[B:2-107] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate racemase ; ligands: DGL ; X-RAY DIFFRACTION 1.990Å

e2gzmC3[C:2-107] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate racemase ; ligands: DGL ; X-RAY DIFFRACTION 1.990Å

e3uhfB5[B:0-102,B:214-248] Image Pymol Jmol Links: PDB, SCOP, CATH

GLUTAMATE RACEMASE ; ligands: DGL,GOL ; X-RAY DIFFRACTION 1.83Å

e3uhpB5[B:-5-105] Image Pymol Jmol Links: PDB, SCOP, CATH

GLUTAMATE RACEMASE ; X-RAY DIFFRACTION 2.79Å

e2gzmD3[D:2-107] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate racemase ; ligands: DGL ; X-RAY DIFFRACTION 1.990Å

e3uhpA5[A:-4-105] Image Pymol Jmol Links: PDB, SCOP, CATH

GLUTAMATE RACEMASE ; X-RAY DIFFRACTION 2.79Å

e2ohoB3[B:1-108] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: SO4 ; X-RAY DIFFRACTION 2.25Å

e1zuwC3[C:2-107] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

glutamate racemase 1 ; ligands: DGL ; X-RAY DIFFRACTION 1.75Å

e1zuwB3[B:2-107] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

glutamate racemase 1 ; ligands: DGL ; X-RAY DIFFRACTION 1.75Å

e1zuwA3[A:1-107] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

glutamate racemase 1 ; ligands: DGL ; X-RAY DIFFRACTION 1.75Å

e2jfxA3[A:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: DGL ; X-RAY DIFFRACTION 2.3Å

e2jfzB3[B:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: 003,DGL ; X-RAY DIFFRACTION 1.86Å

e2jfzA3[A:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: 003,DGL ; X-RAY DIFFRACTION 1.86Å

e4b1fA3[A:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: DGL,KRH ; X-RAY DIFFRACTION 2.05Å

e4b1fB3[B:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: DGL,KRH ; X-RAY DIFFRACTION 2.05Å

e2jfxB3[B:1-98] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: DGL ; X-RAY DIFFRACTION 2.3Å

e2jfyB3[B:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: DGL ; X-RAY DIFFRACTION 1.90Å

e2jfyA3[A:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: DGL ; X-RAY DIFFRACTION 1.90Å

e2w4iB3[B:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: DGL,VGA ; X-RAY DIFFRACTION 1.87Å

e2w4iE3[E:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: DGL,VGA ; X-RAY DIFFRACTION 1.87Å

e2w4iF3[F:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: DGL,VGA ; X-RAY DIFFRACTION 1.87Å

e2w4iA3[A:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: DGL,VGA ; X-RAY DIFFRACTION 1.87Å

e2eq5D1[D:3-100] Image Pymol Jmol Links: PDB, SCOP, CATH

228aa long hypothetical hydantoin racemase ; X-RAY DIFFRACTION 2.2Å

e5ellA2[A:1-116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Asp/Glu_racemase family protein ; X-RAY DIFFRACTION 1.8Å

e5ellB2[B:1-116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Asp/Glu_racemase family protein ; X-RAY DIFFRACTION 1.8Å

e5elmA1[A:1-116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Asp/Glu_racemase family protein ; ligands: GLU,GOL ; X-RAY DIFFRACTION 2.00Å

e5elmB1[B:1-116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Asp/Glu_racemase family protein ; ligands: GLU ; X-RAY DIFFRACTION 2.00Å

e5elmC1[C:1-116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Asp/Glu_racemase family protein ; ligands: GLU ; X-RAY DIFFRACTION 2.00Å

e5elmD2[D:1-116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Asp/Glu_racemase family protein ; ligands: GLU,GOL,NO3 ; X-RAY DIFFRACTION 2.00Å

e5evcA2[A:-3-115] Image Pymol Jmol Links: PDB, SCOP, CATH

Putative aspartate racemase ; ligands: CL,GOL,K,SO4 ; X-RAY DIFFRACTION 1.7Å

e5evcB1[B:-5-115] Image Pymol Jmol Links: PDB, SCOP, CATH

Putative aspartate racemase ; ligands: F,FMT,GOL,K,SO4 ; X-RAY DIFFRACTION 1.7Å

e5hqtA2[A:1-116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

aspartate/glutamate racemase ; ligands: NHE ; X-RAY DIFFRACTION 1.598Å

e5hraA1[A:1-116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

aspartate/glutamate racemase ; ligands: DAS ; X-RAY DIFFRACTION 1.597Å

e5hraB1[B:1-116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

aspartate/glutamate racemase ; ligands: DAS ; X-RAY DIFFRACTION 1.597Å

e5hrcA1[A:1-116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

aspartate/glutamate racemase ; ligands: ASP,NHE ; X-RAY DIFFRACTION 1.765Å

e5hrcB1[B:1-116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

aspartate/glutamate racemase ; ligands: ASP,NHE ; X-RAY DIFFRACTION 1.765Å

e5hj7A1[A:2-110] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate racemase ; ligands: DGL ; X-RAY DIFFRACTION 2.3Å

e5hj7B2[B:-1-110] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate racemase ; ligands: DGL ; X-RAY DIFFRACTION 2.3Å

e5b19A1[A:2-113] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Aspartate racemase ; ligands: TLA ; X-RAY DIFFRACTION 1.85Å

e3qvlA3[A:3-101] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative hydantoin racemase ; ligands: 5HY ; X-RAY DIFFRACTION 1.820Å

e1jflA2[A:116-228] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ASPARTATE RACEMASE ; X-RAY DIFFRACTION 1.9Å

e1b74A1[A:1-105] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: DGN ; X-RAY DIFFRACTION 2.3Å

e1b74A2[A:106-252] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE RACEMASE ; ligands: DGN ; X-RAY DIFFRACTION 2.3Å

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