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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: PLP-dependent transferases
H: PLP-dependent transferases
T: PLP-dependent transferases
F: Pyridoxal_deC

PF00282 CL0061

Representatives:

e1pmmA2[A:3-336] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE BETA ; ligands: ACY,PLP ; X-RAY DIFFRACTION 2.0Å

e1js3A2[A:1-371] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DOPA DECARBOXYLASE ; ligands: 142,PLP,SO4 ; X-RAY DIFFRACTION 2.25Å

e7x4rA2[A:1-334] Image Pymol Jmol Links: PDB, SCOP, CATH

; X-RAY DIFFRACTION 2.600Å

e7x4rC2[C:1-334] Image Pymol Jmol Links: PDB, SCOP, CATH

; X-RAY DIFFRACTION 2.600Å

e7x4rE1[E:0-334] Image Pymol Jmol Links: PDB, SCOP, CATH

; X-RAY DIFFRACTION 2.600Å

e7x4rD2[D:2-334] Image Pymol Jmol Links: PDB, SCOP, CATH

; X-RAY DIFFRACTION 2.600Å

e7x4rF1[F:1-334] Image Pymol Jmol Links: PDB, SCOP, CATH

; X-RAY DIFFRACTION 2.600Å

e8ayfA2[A:111-414] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: ACT,GOL ; X-RAY DIFFRACTION 1.84Å

e2dgmB2[B:3-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE BETA ; ligands: FMT,IOD,PLP ; X-RAY DIFFRACTION 1.95Å

e1pmmB2[B:3-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE BETA ; ligands: ACY,PLP ; X-RAY DIFFRACTION 2.0Å

e2dgmD2[D:3-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE BETA ; ligands: FMT,IOD,PLP ; X-RAY DIFFRACTION 1.95Å

e1pmmE2[E:4-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE BETA ; ligands: ACY,PLP ; X-RAY DIFFRACTION 2.0Å

e2dgmE2[E:3-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE BETA ; ligands: ACY,FMT,IOD,PEG,PLP ; X-RAY DIFFRACTION 1.95Å

e2dgmF2[F:3-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE BETA ; ligands: ACY,FMT,IOD,PLP ; X-RAY DIFFRACTION 1.95Å

e1pmmC2[C:4-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE BETA ; ligands: ACY,PLP ; X-RAY DIFFRACTION 2.0Å

e2dglF2[F:3-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE BETA ; ligands: ACY,BR,PLP ; X-RAY DIFFRACTION 3.15Å

e2dglE2[E:3-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE BETA ; ligands: ACY,BR,PLP ; X-RAY DIFFRACTION 3.15Å

e1pmmD2[D:3-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE BETA ; ligands: ACY,PLP ; X-RAY DIFFRACTION 2.0Å

e2dglD2[D:3-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE BETA ; ligands: ACY,BR,PLP ; X-RAY DIFFRACTION 3.15Å

e2dglA2[A:3-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE BETA ; ligands: ACY,BR,PLP ; X-RAY DIFFRACTION 3.15Å

e1pmmF2[F:3-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE BETA ; ligands: ACY,PLP ; X-RAY DIFFRACTION 2.0Å

e2dgmA2[A:3-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE BETA ; ligands: FMT,IOD,PLP ; X-RAY DIFFRACTION 1.95Å

e2dglC2[C:3-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE BETA ; ligands: ACY,BR,PLP ; X-RAY DIFFRACTION 3.15Å

e2dgmC2[C:3-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE BETA ; ligands: FMT,IOD,PLP ; X-RAY DIFFRACTION 1.95Å

e2dglB2[B:3-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE BETA ; ligands: ACY,BR,PLP ; X-RAY DIFFRACTION 3.15Å

e1xeyB2[B:4-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE ALPHA ; ligands: GUA,PLP ; X-RAY DIFFRACTION 2.05Å

e1xeyA2[A:4-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE ALPHA ; ligands: ACT,GUA,PLP ; X-RAY DIFFRACTION 2.05Å

e1pmoE2[E:4-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate decarboxylase beta ; ligands: PLR,TRS ; X-RAY DIFFRACTION 2.3Å

e1pmoA2[A:12-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate decarboxylase beta ; ligands: PLR,TRS ; X-RAY DIFFRACTION 2.3Å

e1pmoB2[B:4-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate decarboxylase beta ; ligands: PLR,TRS ; X-RAY DIFFRACTION 2.3Å

e3mc6A2[A:131-439] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sphingosine-1-phosphate lyase ; ligands: PO4 ; X-RAY DIFFRACTION 3.150Å

e1js3B3[B:1-359] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DOPA DECARBOXYLASE ; ligands: 142,PLP,SO4 ; X-RAY DIFFRACTION 2.25Å

e1js6A3[A:1-359] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DOPA DECARBOXYLASE ; ligands: PLP ; X-RAY DIFFRACTION 2.6Å

e3rbfA2[A:1-322,A:355-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Aromatic-L-amino-acid decarboxylase ; ligands: PLP ; X-RAY DIFFRACTION 2.90Å

e3k40A2[A:1-321,A:349-368] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

AROMATIC-L-AMINO-ACID DECARBOXYLASE ; ligands: GOL ; X-RAY DIFFRACTION 1.75Å

e2qmaA2[A:475-810,A:831-850] Image Pymol Jmol Links: PDB, SCOP, CATH

DIAMINOBUTYRATE-PYRUVATE TRANSAMINASE AND L-2,4- DIAMINOBUTYRATE DECARBOXYLASE ; ligands: EDO ; X-RAY DIFFRACTION 1.81Å

e2okkA2[A:88-464] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE 2 ; ligands: ABU,GOL ; X-RAY DIFFRACTION 2.3Å

e3f9tA2[A:1-306] Image Pymol Jmol Links: PDB, SCOP, CATH

L-tyrosine decarboxylase MfnA ; ligands: MPD,PLP ; X-RAY DIFFRACTION 2.11Å

e1pmoC3[C:13-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate decarboxylase beta ; ligands: PLR,TRS ; X-RAY DIFFRACTION 2.3Å

e1pmoF3[F:13-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate decarboxylase beta ; ligands: PLR,TRS ; X-RAY DIFFRACTION 2.3Å

e1pmoD3[D:13-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate decarboxylase beta ; ligands: PLR,TRS ; X-RAY DIFFRACTION 2.3Å

e1js6B3[B:1-359] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DOPA DECARBOXYLASE ; ligands: PLP ; X-RAY DIFFRACTION 2.6Å

e4e1oD3[D:0-359] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HISTIDINE DECARBOXYLASE ; ligands: PLP,PVH ; X-RAY DIFFRACTION 1.8Å

e3rchA2[A:1-326,A:355-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

AROMATIC L-AMINO ACID DECARBOXYLASE ; X-RAY DIFFRACTION 2.8Å

e3rbfB2[B:1-322,B:356-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Aromatic-L-amino-acid decarboxylase ; ligands: CL ; X-RAY DIFFRACTION 2.90Å

e3rchB2[B:1-322,B:356-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

AROMATIC L-AMINO ACID DECARBOXYLASE ; ligands: PLP ; X-RAY DIFFRACTION 2.8Å

e3rblB2[B:1-322,B:356-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

AROMATIC L-AMINO ACID DECARBOXYLASE ; ligands: CL ; X-RAY DIFFRACTION 3.24Å

e4e1oA3[A:1-359] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HISTIDINE DECARBOXYLASE ; ligands: PLP,PVH ; X-RAY DIFFRACTION 1.8Å

e3rblA2[A:1-322,A:355-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

AROMATIC L-AMINO ACID DECARBOXYLASE ; X-RAY DIFFRACTION 3.24Å

e3k40B2[B:1-321,B:349-368] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

AROMATIC-L-AMINO-ACID DECARBOXYLASE ; ligands: GOL ; X-RAY DIFFRACTION 1.75Å

e4e1oE3[E:0-359] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HISTIDINE DECARBOXYLASE ; ligands: PLP,PVH ; X-RAY DIFFRACTION 1.8Å

e4e1oB3[B:1-359] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HISTIDINE DECARBOXYLASE ; ligands: PLP,PVH ; X-RAY DIFFRACTION 1.8Å

e4e1oF3[F:0-359] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HISTIDINE DECARBOXYLASE ; ligands: PLP,PVH ; X-RAY DIFFRACTION 1.8Å

e4e1oC3[C:-3-359] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HISTIDINE DECARBOXYLASE ; ligands: PLP,PVH ; X-RAY DIFFRACTION 1.8Å

e3hbxC3[C:12-337] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate decarboxylase 1 ; X-RAY DIFFRACTION 2.650Å

e2qmaB2[B:475-809,B:834-850] Image Pymol Jmol Links: PDB, SCOP, CATH

DIAMINOBUTYRATE-PYRUVATE TRANSAMINASE AND L-2,4- DIAMINOBUTYRATE DECARBOXYLASE ; ligands: EDO ; X-RAY DIFFRACTION 1.81Å

e3hbxE3[E:12-337] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate decarboxylase 1 ; X-RAY DIFFRACTION 2.650Å

e3hbxA3[A:12-337] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate decarboxylase 1 ; X-RAY DIFFRACTION 2.650Å

e3hbxB3[B:12-337] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate decarboxylase 1 ; X-RAY DIFFRACTION 2.650Å

e3hbxD3[D:12-337] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate decarboxylase 1 ; X-RAY DIFFRACTION 2.650Å

e3hbxF3[F:12-337] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate decarboxylase 1 ; X-RAY DIFFRACTION 2.650Å

e2okjB2[B:93-473] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE 1 ; ligands: ABU,PLZ ; X-RAY DIFFRACTION 2.3Å

e2okjA2[A:93-473] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE 1 ; ligands: ABU,PLZ ; X-RAY DIFFRACTION 2.3Å

e2jisB2[B:7-374] Image Pymol Jmol Links: PDB, SCOP, CATH

CYSTEINE SULFINIC ACID DECARBOXYLASE ; ligands: PLP ; X-RAY DIFFRACTION 1.60Å

e3mafB2[B:64-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SPHINGOSINE-1-PHOSPHATE LYASE ; ligands: CL,PO4 ; X-RAY DIFFRACTION 2.97Å

e3mc6C2[C:130-441] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sphingosine-1-phosphate lyase ; ligands: PO4 ; X-RAY DIFFRACTION 3.150Å

e3vp6A2[A:93-473] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE 1 ; ligands: HLD ; X-RAY DIFFRACTION 2.1Å

e3mauD2[D:57-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

sphingosine-1-phosphate lyase ; ligands: EXT ; X-RAY DIFFRACTION 2.900Å

e3mauA2[A:57-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

sphingosine-1-phosphate lyase ; ligands: EXT,PLR,PO4 ; X-RAY DIFFRACTION 2.900Å

e3mauB2[B:57-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

sphingosine-1-phosphate lyase ; ligands: EXT,PLR,PO4 ; X-RAY DIFFRACTION 2.900Å

e3mauC2[C:57-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

sphingosine-1-phosphate lyase ; ligands: EXT ; X-RAY DIFFRACTION 2.900Å

e3f9tB2[B:3-305] Image Pymol Jmol Links: PDB, SCOP, CATH

L-tyrosine decarboxylase MfnA ; ligands: MPD,PLP ; X-RAY DIFFRACTION 2.11Å

e3fz6D2[D:12-336] Image Pymol Jmol Links: PDB, SCOP, CATH

Glutamate decarboxylase beta ; ligands: PMP,XE ; X-RAY DIFFRACTION 2.80Å

e2dgkC3[C:30-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE BETA ; ligands: EDO,PLP,SO4 ; X-RAY DIFFRACTION 1.9Å

e3fz6C2[C:12-336] Image Pymol Jmol Links: PDB, SCOP, CATH

Glutamate decarboxylase beta ; ligands: PMP,XE ; X-RAY DIFFRACTION 2.80Å

e3mbbB2[B:57-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative sphingosine-1-phosphate lyase ; ligands: EDO,PO4 ; X-RAY DIFFRACTION 2.050Å

e3fz7D3[D:13-336] Image Pymol Jmol Links: PDB, SCOP, CATH

Glutamate decarboxylase beta ; ligands: PO4 ; X-RAY DIFFRACTION 2.50Å

e3fz7F2[F:3-336] Image Pymol Jmol Links: PDB, SCOP, CATH

Glutamate decarboxylase beta ; ligands: PO4 ; X-RAY DIFFRACTION 2.50Å

e3mbbA2[A:58-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative sphingosine-1-phosphate lyase ; ligands: EDO,PO4 ; X-RAY DIFFRACTION 2.050Å

e2dgkA3[A:29-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE BETA ; ligands: EDO,PLP,SO4 ; X-RAY DIFFRACTION 1.9Å

e3fz7B2[B:12-336] Image Pymol Jmol Links: PDB, SCOP, CATH

Glutamate decarboxylase beta ; ligands: PO4 ; X-RAY DIFFRACTION 2.50Å

e2dgkE3[E:29-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE BETA ; ligands: EDO,PLP,SO4 ; X-RAY DIFFRACTION 1.9Å

e2dgkF3[F:29-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE BETA ; ligands: EDO,PLP,SO4 ; X-RAY DIFFRACTION 1.9Å

e2dgkB3[B:29-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE BETA ; ligands: EDO,PLP,SO4 ; X-RAY DIFFRACTION 1.9Å

e3fz7E2[E:12-336] Image Pymol Jmol Links: PDB, SCOP, CATH

Glutamate decarboxylase beta ; ligands: PO4 ; X-RAY DIFFRACTION 2.50Å

e2dgkD3[D:29-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE BETA ; ligands: EDO,PLP,SO4 ; X-RAY DIFFRACTION 1.9Å

e3fz6A2[A:12-336] Image Pymol Jmol Links: PDB, SCOP, CATH

Glutamate decarboxylase beta ; ligands: PMP,XE ; X-RAY DIFFRACTION 2.80Å

e3fz6B2[B:4-336] Image Pymol Jmol Links: PDB, SCOP, CATH

Glutamate decarboxylase beta ; ligands: PMP,XE ; X-RAY DIFFRACTION 2.80Å

e3fz6E2[E:3-336] Image Pymol Jmol Links: PDB, SCOP, CATH

Glutamate decarboxylase beta ; ligands: PMP,XE ; X-RAY DIFFRACTION 2.80Å

e3fz7C2[C:4-336] Image Pymol Jmol Links: PDB, SCOP, CATH

Glutamate decarboxylase beta ; ligands: PO4 ; X-RAY DIFFRACTION 2.50Å

e3fz8A2[A:12-336] Image Pymol Jmol Links: PDB, SCOP, CATH

Glutamate decarboxylase beta ; ligands: PLR ; X-RAY DIFFRACTION 3.00Å

e3fz8E2[E:3-336] Image Pymol Jmol Links: PDB, SCOP, CATH

Glutamate decarboxylase beta ; ligands: PLR ; X-RAY DIFFRACTION 3.00Å

e3fz6F2[F:12-336] Image Pymol Jmol Links: PDB, SCOP, CATH

Glutamate decarboxylase beta ; ligands: PMP,XE ; X-RAY DIFFRACTION 2.80Å

e3fz7A3[A:13-336] Image Pymol Jmol Links: PDB, SCOP, CATH

Glutamate decarboxylase beta ; ligands: PO4 ; X-RAY DIFFRACTION 2.50Å

e3fz8B2[B:4-336] Image Pymol Jmol Links: PDB, SCOP, CATH

Glutamate decarboxylase beta ; ligands: PLR ; X-RAY DIFFRACTION 3.00Å

e3fz8C2[C:12-336] Image Pymol Jmol Links: PDB, SCOP, CATH

Glutamate decarboxylase beta ; ligands: PLR ; X-RAY DIFFRACTION 3.00Å

e3fz8D2[D:12-336] Image Pymol Jmol Links: PDB, SCOP, CATH

Glutamate decarboxylase beta ; ligands: PLR ; X-RAY DIFFRACTION 3.00Å

e3fz8F2[F:12-336] Image Pymol Jmol Links: PDB, SCOP, CATH

Glutamate decarboxylase beta ; ligands: PLR ; X-RAY DIFFRACTION 3.00Å

e3madB2[B:57-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sphingosine-1-phosphate lyase ; ligands: PO4 ; X-RAY DIFFRACTION 2.000Å

e3vp6B2[B:95-473] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

GLUTAMATE DECARBOXYLASE 1 ; ligands: GOL,HLD ; X-RAY DIFFRACTION 2.1Å

e4q6rA1[A:111-414] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SPHINGOSINE-1-PHOSPHATE LYASE 1 ; ligands: 30J,PO4,SIN ; X-RAY DIFFRACTION 2.4Å

e4q6rB1[B:110-414] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SPHINGOSINE-1-PHOSPHATE LYASE 1 ; ligands: 30J,PO4,SIN ; X-RAY DIFFRACTION 2.4Å

e3madA2[A:58-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Sphingosine-1-phosphate lyase ; ligands: PO4 ; X-RAY DIFFRACTION 2.000Å

e3mafA2[A:58-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SPHINGOSINE-1-PHOSPHATE LYASE ; ligands: CL,PO4 ; X-RAY DIFFRACTION 2.97Å

e4ritB1[B:5-365] Image Pymol Jmol Links: PDB, SCOP, CATH

Pyridoxal-dependent decarboxylase ; ligands: CL,GOL,TRS ; X-RAY DIFFRACTION 1.8Å

e4ritA2[A:5-368] Image Pymol Jmol Links: PDB, SCOP, CATH

Pyridoxal-dependent decarboxylase ; ligands: CL,GOL,TRS ; X-RAY DIFFRACTION 1.8Å

e4obuE1[E:16-370] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pyridoxal-dependent decarboxylase domain protein ; ligands: PLP ; X-RAY DIFFRACTION 2.804Å

e4rlgA1[A:0-365] Image Pymol Jmol Links: PDB, SCOP, CATH

Pyridoxal-dependent decarboxylase ; ligands: GOL,PMP ; X-RAY DIFFRACTION 1.9Å

e4rlgB1[B:-1-365] Image Pymol Jmol Links: PDB, SCOP, CATH

Pyridoxal-dependent decarboxylase ; ligands: GOL,PMP ; X-RAY DIFFRACTION 1.9Å

e4rlgD1[D:-1-365] Image Pymol Jmol Links: PDB, SCOP, CATH

Pyridoxal-dependent decarboxylase ; ligands: ABU,PMP ; X-RAY DIFFRACTION 1.9Å

e4rlgC1[C:-1-365] Image Pymol Jmol Links: PDB, SCOP, CATH

Pyridoxal-dependent decarboxylase ; ligands: PMP ; X-RAY DIFFRACTION 1.9Å

e4w8iA1[A:108-125,A:158-421] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Probable sphingosine-1-phosphate lyase ; X-RAY DIFFRACTION 2.46Å

e4w8iB1[B:107-133,B:160-422] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Probable sphingosine-1-phosphate lyase ; X-RAY DIFFRACTION 2.46Å

e4rizA1[A:3-365] Image Pymol Jmol Links: PDB, SCOP, CATH

Pyridoxal-dependent decarboxylase ; ligands: NA,PMP ; X-RAY DIFFRACTION 2.2Å

e4rizB2[B:-1-365] Image Pymol Jmol Links: PDB, SCOP, CATH

Pyridoxal-dependent decarboxylase ; ligands: GOL,NA,PMP ; X-RAY DIFFRACTION 2.2Å

e4rizC2[C:0-365] Image Pymol Jmol Links: PDB, SCOP, CATH

Pyridoxal-dependent decarboxylase ; ligands: NA,PMP ; X-RAY DIFFRACTION 2.2Å

e4rizD2[D:5-365] Image Pymol Jmol Links: PDB, SCOP, CATH

Pyridoxal-dependent decarboxylase ; ligands: GOL,NA,PMP ; X-RAY DIFFRACTION 2.2Å

e4rj0B2[B:-1-365] Image Pymol Jmol Links: PDB, SCOP, CATH

Pyridoxal-dependent decarboxylase ; X-RAY DIFFRACTION 1.95Å

e4rj0A1[A:4-365] Image Pymol Jmol Links: PDB, SCOP, CATH

Pyridoxal-dependent decarboxylase ; ligands: GOL ; X-RAY DIFFRACTION 1.95Å

e4rj0C2[C:5-365] Image Pymol Jmol Links: PDB, SCOP, CATH

Pyridoxal-dependent decarboxylase ; ligands: PMP,PO4 ; X-RAY DIFFRACTION 1.95Å

e4rj0D2[D:-1-365] Image Pymol Jmol Links: PDB, SCOP, CATH

Pyridoxal-dependent decarboxylase ; ligands: GOL,PMP ; X-RAY DIFFRACTION 1.95Å

e4rm1B2[B:-1-365] Image Pymol Jmol Links: PDB, SCOP, CATH

Pyridoxal-dependent decarboxylase ; ligands: CL,GOL,PMP ; X-RAY DIFFRACTION 1.99Å

e4rm1A2[A:-1-365] Image Pymol Jmol Links: PDB, SCOP, CATH

Pyridoxal-dependent decarboxylase ; ligands: CL,GOL,PMP ; X-RAY DIFFRACTION 1.99Å

e4rm1C2[C:-1-365] Image Pymol Jmol Links: PDB, SCOP, CATH

Pyridoxal-dependent decarboxylase ; ligands: CL,PMP ; X-RAY DIFFRACTION 1.99Å

e4rm1D2[D:5-365] Image Pymol Jmol Links: PDB, SCOP, CATH

Pyridoxal-dependent decarboxylase ; ligands: CL,PMP ; X-RAY DIFFRACTION 1.99Å

e4obuA1[A:16-370] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pyridoxal-dependent decarboxylase domain protein ; ligands: PLP ; X-RAY DIFFRACTION 2.804Å

e4obuU1[U:16-370] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pyridoxal-dependent decarboxylase domain protein ; ligands: PLP ; X-RAY DIFFRACTION 2.804Å

e4obuG1[G:16-370] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pyridoxal-dependent decarboxylase domain protein ; ligands: PLP ; X-RAY DIFFRACTION 2.804Å

e4obuH1[H:16-370] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pyridoxal-dependent decarboxylase domain protein ; ligands: PLP ; X-RAY DIFFRACTION 2.804Å

e4obuF1[F:16-370] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pyridoxal-dependent decarboxylase domain protein ; ligands: PLP ; X-RAY DIFFRACTION 2.804Å

e4obuB1[B:16-370] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pyridoxal-dependent decarboxylase domain protein ; ligands: PLP ; X-RAY DIFFRACTION 2.804Å

e4obuC1[C:16-370] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pyridoxal-dependent decarboxylase domain protein ; ligands: PLP ; X-RAY DIFFRACTION 2.804Å

e4obvD1[D:16-370] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pyridoxal-dependent decarboxylase domain protein ; ligands: 2SU,3SO ; X-RAY DIFFRACTION 2.840Å

e4obvC1[C:16-370] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pyridoxal-dependent decarboxylase domain protein ; ligands: 2SU,3SO ; X-RAY DIFFRACTION 2.840Å

e4obvB1[B:16-370] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pyridoxal-dependent decarboxylase domain protein ; ligands: 2SU,3SO ; X-RAY DIFFRACTION 2.840Å

e4obvA1[A:16-370] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pyridoxal-dependent decarboxylase domain protein ; ligands: 2SU,3SO ; X-RAY DIFFRACTION 2.840Å

e5eudA1[A:55-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative sphingosine-1-phosphate lyase ; ligands: 5S6,PO4 ; X-RAY DIFFRACTION 2.24Å

e5eudB2[B:59-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative sphingosine-1-phosphate lyase ; ligands: 5S6,PO4 ; X-RAY DIFFRACTION 2.24Å

e5eueA1[A:57-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative sphingosine-1-phosphate lyase ; ligands: 5S5,PO4 ; X-RAY DIFFRACTION 2.83Å

e5eueB2[B:60-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative sphingosine-1-phosphate lyase ; ligands: 5S5,PO4 ; X-RAY DIFFRACTION 2.83Å

e5hsjA1[A:7-464] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative decarboxylase ; ligands: PLP ; X-RAY DIFFRACTION 1.9Å

e5hsiA1[A:7-464] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative decarboxylase ; X-RAY DIFFRACTION 1.73Å

e5hsiB1[B:6-464] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative decarboxylase ; X-RAY DIFFRACTION 1.73Å

e5k1rA2[A:10-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Burkholderia pseudomallei sphingosine-1-phosphate lyase Bpss2021 ; ligands: PLP ; X-RAY DIFFRACTION 2.104Å

e5k1rB2[B:10-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Burkholderia pseudomallei sphingosine-1-phosphate lyase Bpss2021 ; ligands: PLP ; X-RAY DIFFRACTION 2.104Å

e5hsjB1[B:8-464] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative decarboxylase ; ligands: PLP ; X-RAY DIFFRACTION 1.9Å

e5gp4C1[C:14-339] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate decarboxylase ; ligands: PLP ; X-RAY DIFFRACTION 2.15Å

e5gp4A2[A:14-339] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate decarboxylase ; ligands: PLP ; X-RAY DIFFRACTION 2.15Å

e5gp4B1[B:28-339] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate decarboxylase ; ligands: PLP ; X-RAY DIFFRACTION 2.15Å

e6enzA1[A:11-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acidic amino acid decarboxylase GADL1 ; ligands: PLP ; X-RAY DIFFRACTION 3.000Å

e6enzB1[B:11-383] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Acidic amino acid decarboxylase GADL1 ; ligands: PLP ; X-RAY DIFFRACTION 3.000Å

e5o5cB1[B:46-352,B:376-395] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative decarboxylase involved in desferrioxamine biosynthesis ; ligands: PLP ; X-RAY DIFFRACTION 2.1Å

e5o5cA2[A:46-352,A:376-395] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative decarboxylase involved in desferrioxamine biosynthesis ; ligands: PLP ; X-RAY DIFFRACTION 2.1Å

e5o5cC1[C:46-352,C:376-395] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative decarboxylase involved in desferrioxamine biosynthesis ; ligands: PLP ; X-RAY DIFFRACTION 2.1Å

e5o5cD2[D:46-352,D:376-395] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative decarboxylase involved in desferrioxamine biosynthesis ; ligands: PLP ; X-RAY DIFFRACTION 2.1Å

e5o5cE1[E:46-351,E:376-395] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative decarboxylase involved in desferrioxamine biosynthesis ; ligands: PLP ; X-RAY DIFFRACTION 2.1Å

e5o5cF2[F:46-352,F:376-395] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative decarboxylase involved in desferrioxamine biosynthesis ; ligands: PLP ; X-RAY DIFFRACTION 2.1Å

e6eeiA1[A:8-365] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosine decarboxylase 1 ; ligands: PHE,SO4 ; X-RAY DIFFRACTION 1.99Å

e6eemA1[A:17-377] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosine/dopa decarboxylase ; ligands: 0PR,SO4,TYR ; X-RAY DIFFRACTION 2.61Å

e6eeqA1[A:15-366] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

4-hydroxyphenylacetaldehyde synthase ; X-RAY DIFFRACTION 2.40Å

e6eewA1[A:19-375] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Aromatic-L-amino-acid decarboxylase ; ligands: TRP ; X-RAY DIFFRACTION 1.89Å

e6eeiB2[B:8-365] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosine decarboxylase 1 ; ligands: PHE,SO4 ; X-RAY DIFFRACTION 1.99Å

e6eemB1[B:17-377] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosine/dopa decarboxylase ; ligands: 0PR,SO4,TYR ; X-RAY DIFFRACTION 2.61Å

e6eewB1[B:19-375] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Aromatic-L-amino-acid decarboxylase ; ligands: TRP ; X-RAY DIFFRACTION 1.89Å

e6eewC1[C:19-375] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Aromatic-L-amino-acid decarboxylase ; ligands: TRP ; X-RAY DIFFRACTION 1.89Å

e6eewD2[D:19-375] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Aromatic-L-amino-acid decarboxylase ; ligands: TRP ; X-RAY DIFFRACTION 1.89Å

e6jrlA2[A:1-359] Image Pymol Jmol Links: PDB, SCOP, CATH

3,4-dihydroxyphenylacetaldehyde synthase ; X-RAY DIFFRACTION 2.20Å

e6jy1A2[A:2-306] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

L-tyrosine/L-aspartate decarboxylase ; ligands: GOL,SO4 ; X-RAY DIFFRACTION 1.720Å

e6livA1[A:17-375] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosine/DOPA decarboxylase 2 ; ligands: GOL ; X-RAY DIFFRACTION 2.31Å

e6liuA2[A:19-375] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosine/DOPA decarboxylase 2 ; X-RAY DIFFRACTION 2.80Å

e6liuB1[B:19-375] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosine/DOPA decarboxylase 2 ; X-RAY DIFFRACTION 2.80Å

e6liuC1[C:19-375] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosine/DOPA decarboxylase 2 ; X-RAY DIFFRACTION 2.80Å

e6liuD1[D:19-375] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosine/DOPA decarboxylase 2 ; X-RAY DIFFRACTION 2.80Å

e6liuE1[E:19-375] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosine/DOPA decarboxylase 2 ; X-RAY DIFFRACTION 2.80Å

e6liuF2[F:19-74,F:95-375] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosine/DOPA decarboxylase 2 ; X-RAY DIFFRACTION 2.80Å

e6livB1[B:17-375] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosine/DOPA decarboxylase 2 ; ligands: GOL ; X-RAY DIFFRACTION 2.31Å

e6livC2[C:17-375] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosine/DOPA decarboxylase 2 ; ligands: GOL ; X-RAY DIFFRACTION 2.31Å

e6livD2[D:17-375] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosine/DOPA decarboxylase 2 ; ligands: GOL ; X-RAY DIFFRACTION 2.31Å

e6livE2[E:19-375] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosine/DOPA decarboxylase 2 ; X-RAY DIFFRACTION 2.31Å

e6livF1[F:19-375] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tyrosine/DOPA decarboxylase 2 ; X-RAY DIFFRACTION 2.31Å

e2jisA1[A:7-374] Image Pymol Jmol Links: PDB, SCOP, CATH

CYSTEINE SULFINIC ACID DECARBOXYLASE ; ligands: PLP ; X-RAY DIFFRACTION 1.60Å

e6ebnA5[A:14-513] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

non canonical aromatic amino acid decarboxylase ; ligands: FMT,GOL ; X-RAY DIFFRACTION 1.96Å

e6ebnB5[B:14-513] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

non canonical aromatic amino acid decarboxylase ; ligands: FMT,GOL ; X-RAY DIFFRACTION 1.96Å

e6khnA2[A:21-386] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tryptophan decarboxylase 1 ; ligands: ACT,CA,PEG,PLP,SRO ; X-RAY DIFFRACTION 2.293Å

e6khnB1[B:21-386] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tryptophan decarboxylase 1 ; ligands: ACT,PEG,PLP,SRO ; X-RAY DIFFRACTION 2.293Å

e6khoA1[A:21-386] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tryptophan decarboxylase 1 ; ligands: ACT,CA,PEG,PLP ; X-RAY DIFFRACTION 1.97Å

e6khoB2[B:21-349,B:369-386] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tryptophan decarboxylase 1 ; ligands: ACT,PEG,PLP ; X-RAY DIFFRACTION 1.97Å

e6khpA1[A:21-386] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tryptophan decarboxylase 1 ; ligands: ACT,CA,PEG,PLP,TSS ; X-RAY DIFFRACTION 2.29Å

e6khpB2[B:21-386] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tryptophan decarboxylase 1 ; ligands: ACT,PEG,PLP,TSS ; X-RAY DIFFRACTION 2.29Å

e6ldrA1[A:2-306] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

L-tyrosine/L-aspartate decarboxylase ; ligands: GOL,NH4,PLP ; X-RAY DIFFRACTION 1.790Å

e6ldsA1[A:2-306] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

L-tyrosine/L-aspartate decarboxylase ; ligands: 0PR,GOL ; X-RAY DIFFRACTION 1.770Å

e6ldtA1[A:2-306] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

L-tyrosine/L-aspartate decarboxylase ; ligands: EBR,GOL ; X-RAY DIFFRACTION 1.930Å

e6m4yA1[A:3-305] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

L-tyrosine/L-aspartate decarboxylase ; ligands: GOL,SO4 ; X-RAY DIFFRACTION 2.100Å

e7jzhA2[A:5-298,A:321-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate decarboxylase ; ELECTRON MICROSCOPY

e7jzhB2[B:5-298,B:321-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate decarboxylase ; ELECTRON MICROSCOPY

e7jzhC1[C:5-298,C:321-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate decarboxylase ; ELECTRON MICROSCOPY

e7jzhD2[D:5-298,D:321-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate decarboxylase ; ELECTRON MICROSCOPY

e7jzhE2[E:5-298,E:321-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate decarboxylase ; ELECTRON MICROSCOPY

e7jzhF1[F:5-298,F:321-336] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Glutamate decarboxylase ; ELECTRON MICROSCOPY

e6zekC1[C:12-374] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cysteine sulfinic acid decarboxylase ; ligands: CL,GOL ; X-RAY DIFFRACTION 2.10Å

e6zekA2[A:13-374] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cysteine sulfinic acid decarboxylase ; ligands: CL,SO4 ; X-RAY DIFFRACTION 2.10Å

e6zekB1[B:13-374] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cysteine sulfinic acid decarboxylase ; ligands: CL,GOL ; X-RAY DIFFRACTION 2.10Å

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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