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
Representatives:
e1qopB1[B:2-200] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
TRYPTOPHAN SYNTHASE BETA CHAIN ; ligands: PLP ; X-RAY DIFFRACTION 1.400Å
e1qopB2[B:201-391] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
TRYPTOPHAN SYNTHASE BETA CHAIN ; ligands: NA,PLP ; X-RAY DIFFRACTION 1.400Å
e1ve1A1[A:1-147] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH
O-ACETYLSERINE SULFHYDRYLASE ; ligands: PLP ; X-RAY DIFFRACTION 1.45Å
e4aecA1[A:101-261] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYSTEINE SYNTHASE, MITOCHONDRIAL ; ligands: ACT,GOL,PLP ; X-RAY DIFFRACTION 2.40Å
e4aecB1[B:110-261] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYSTEINE SYNTHASE, MITOCHONDRIAL ; ligands: GOL,PLP ; X-RAY DIFFRACTION 2.40Å
e4airA2[A:3-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; ligands: FGA ; X-RAY DIFFRACTION 1.80Å
e4airB2[B:4-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; ligands: FGA ; X-RAY DIFFRACTION 1.80Å
e2bhsA2[A:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYSTEINE SYNTHASE B ; ligands: PLP ; X-RAY DIFFRACTION 2.67Å
e2bhsB1[B:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYSTEINE SYNTHASE B ; ligands: PLP ; X-RAY DIFFRACTION 2.67Å
e2bhsC2[C:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYSTEINE SYNTHASE B ; ligands: PLP ; X-RAY DIFFRACTION 2.67Å
e2bhsD1[D:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYSTEINE SYNTHASE B ; ligands: PLP ; X-RAY DIFFRACTION 2.67Å
e2bhtA1[A:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYSTEINE SYNTHASE B ; ligands: PLP ; X-RAY DIFFRACTION 2.100Å
e2bhtB1[B:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYSTEINE SYNTHASE B ; ligands: PLP ; X-RAY DIFFRACTION 2.100Å
e2bhtC1[C:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYSTEINE SYNTHASE B ; ligands: PLP ; X-RAY DIFFRACTION 2.100Å
e2bhtD1[D:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYSTEINE SYNTHASE B ; ligands: PLP ; X-RAY DIFFRACTION 2.100Å
e3bm5A1[A:2-165] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYSTEINE SYNTHASE ; ligands: CYS,PLP,SO4 ; X-RAY DIFFRACTION 2.4Å
e3bm5B2[B:2-165] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYSTEINE SYNTHASE ; ligands: CYS,PLP,SO4 ; X-RAY DIFFRACTION 2.4Å
e1d6sA1[A:1-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-ACETYLSERINE SULFHYDRYLASE ; ligands: MET,PLP ; X-RAY DIFFRACTION 2.3Å
e1d6sB2[B:1-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-ACETYLSERINE SULFHYDRYLASE ; ligands: MET,PLP ; X-RAY DIFFRACTION 2.3Å
e3dkiA2[A:3-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase B ; X-RAY DIFFRACTION 2.10Å
e3dkiB2[B:0-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase B ; ligands: NA ; X-RAY DIFFRACTION 2.10Å
e3dwgA2[A:-1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYSTEINE SYNTHASE B ; ligands: PLP ; X-RAY DIFFRACTION 1.53Å
e3dwgB1[B:-1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYSTEINE SYNTHASE B ; ligands: PLP ; X-RAY DIFFRACTION 1.53Å
e3dwiA1[A:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase B ; ligands: PLP ; X-RAY DIFFRACTION 2.810Å
e3dwiB1[B:1-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase B ; ligands: PLP,SO4 ; X-RAY DIFFRACTION 2.810Å
e2ecoA1[A:1-147] Image Pymol Jmol Links: PDB, SCOP, CATH
O-ACETYLSERINE (THIOL)-LYASE ; ligands: 4MV,PLP ; X-RAY DIFFRACTION 1.9Å
e2ecqA2[A:1-147] Image Pymol Jmol Links: PDB, SCOP, CATH
O-ACETYLSERINE (THIOL)-LYASE ; ligands: 3HL,PLP ; X-RAY DIFFRACTION 1.9Å
e2efyA1[A:1-147] Image Pymol Jmol Links: PDB, SCOP, CATH
O-ACETYLSERINE (THIOL)-LYASE ; ligands: 4AT,PLP ; X-RAY DIFFRACTION 2.35Å
e2efyB1[B:1-147] Image Pymol Jmol Links: PDB, SCOP, CATH
O-ACETYLSERINE (THIOL)-LYASE ; ligands: 4AT,PLP ; X-RAY DIFFRACTION 2.35Å
e2eguA2[A:1-150] Image Pymol Jmol Links: PDB, SCOP, CATH
CYSTEINE SYNTHASE ; X-RAY DIFFRACTION 1.9Å
e1fcjA1[A:1-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-ACETYLSERINE SULFHYDRYLASE ; ligands: CL,PLP,SO4 ; X-RAY DIFFRACTION
e1fcjB1[B:1-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-ACETYLSERINE SULFHYDRYLASE ; ligands: CL,PLP,SO4 ; X-RAY DIFFRACTION
e1fcjC2[C:1-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-ACETYLSERINE SULFHYDRYLASE ; ligands: CL,PLP,SO4 ; X-RAY DIFFRACTION
e1fcjD1[D:1-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-ACETYLSERINE SULFHYDRYLASE ; ligands: CL,PLP,SO4 ; X-RAY DIFFRACTION
e3fcaA2[A:1-138] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; ligands: ZN ; X-RAY DIFFRACTION 2.149Å
e3fcaB1[B:1-138] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; ligands: ZN ; X-RAY DIFFRACTION 2.149Å
e3fgpA2[A:3-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase B ; X-RAY DIFFRACTION 2.05Å
e3fgpB2[B:0-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase B ; X-RAY DIFFRACTION 2.05Å
e4ho1X1[X:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH
CYSTEINE SYNTHASE ; ligands: EDO ; X-RAY DIFFRACTION 1.86Å
e4i1yA1[A:1-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; ligands: SO4 ; X-RAY DIFFRACTION 2.600Å
e4i1yB2[B:0-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; ligands: CL ; X-RAY DIFFRACTION 2.600Å
e4i1yC1[C:-2-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; X-RAY DIFFRACTION 2.600Å
e4i1yD1[D:-1-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; X-RAY DIFFRACTION 2.600Å
e4il5A2[A:2-165] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; ligands: ILE ; X-RAY DIFFRACTION 2.03Å
e4il5B2[B:2-165] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; ligands: ILE,SO4 ; X-RAY DIFFRACTION 2.03Å
e3iqgX2[X:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYSTEINE SYNTHASE ; X-RAY DIFFRACTION 1.9Å
e3iqhX1[X:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYSTEINE SYNTHASE ; ligands: SO4 ; X-RAY DIFFRACTION 1.9Å
e3iqiX2[X:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYSTEINE SYNTHASE ; X-RAY DIFFRACTION 1.7Å
e2isqA1[A:3-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYSTEINE SYNTHASE ; ligands: PLP ; X-RAY DIFFRACTION 2.8Å
e4jblA1[A:1-165] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; X-RAY DIFFRACTION 2.0Å
e4jblB2[B:2-165] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; ligands: MET ; X-RAY DIFFRACTION 2.0Å
e4jbnA1[A:2-165] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYSTEINE SYNTHASE ; X-RAY DIFFRACTION 1.87Å
e4jbnB2[B:2-165] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYSTEINE SYNTHASE ; X-RAY DIFFRACTION 1.87Å
e2jc3A1[A:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-ACETYLSERINE SULFHYDRYLASE B ; ligands: PLP ; X-RAY DIFFRACTION 2.3Å
e2jc3B2[B:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-ACETYLSERINE SULFHYDRYLASE B ; ligands: PLP ; X-RAY DIFFRACTION 2.3Å
e2jc3C1[C:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-ACETYLSERINE SULFHYDRYLASE B ; ligands: PLP ; X-RAY DIFFRACTION 2.3Å
e2jc3D1[D:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-ACETYLSERINE SULFHYDRYLASE B ; ligands: PLP ; X-RAY DIFFRACTION 2.3Å
e2jc3E2[E:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-ACETYLSERINE SULFHYDRYLASE B ; ligands: PLP ; X-RAY DIFFRACTION 2.3Å
e2jc3F1[F:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-ACETYLSERINE SULFHYDRYLASE B ; ligands: PLP ; X-RAY DIFFRACTION 2.3Å
e2jc3G2[G:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-ACETYLSERINE SULFHYDRYLASE B ; ligands: PLP ; X-RAY DIFFRACTION 2.3Å
e2jc3H2[H:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-ACETYLSERINE SULFHYDRYLASE B ; ligands: PLP ; X-RAY DIFFRACTION 2.3Å
e4lhgX2[X:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH
e4li3X2[X:1-149] Image Pymol Jmol Links: PDB, SCOP, CATH
CYSTEINE SYNTHASE ; X-RAY DIFFRACTION 2.59Å
e4lmaA2[A:1-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; ligands: PLP ; X-RAY DIFFRACTION 2.3Å
e4lmaB2[B:1-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; ligands: PLP ; X-RAY DIFFRACTION 2.3Å
e4lmbA2[A:1-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYSTEINE SYNTHASE ; ligands: CYS,PLP ; X-RAY DIFFRACTION 1.91Å
e4mh9X1[X:1-149] Image Pymol Jmol Links: PDB, SCOP, CATH
e4miiX2[X:1-149] Image Pymol Jmol Links: PDB, SCOP, CATH
e4milX1[X:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH
e4nu8X1[X:1-149] Image Pymol Jmol Links: PDB, SCOP, CATH
Cysteine synthase ; X-RAY DIFFRACTION 2.030Å
e1oasA2[A:1-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-ACETYLSERINE SULFHYDRYLASE ; ligands: PLP ; X-RAY DIFFRACTION 2.2Å
e1oasB2[B:1-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-ACETYLSERINE SULFHYDRYLASE ; ligands: PLP ; X-RAY DIFFRACTION 2.2Å
e4ofxA1[A:1-152] Image Pymol Jmol Links: PDB, SCOP, CATH
CYSTATHIONINE BETA-SYNTHASE ; ligands: NA ; X-RAY DIFFRACTION 1.74Å
e4oreX2[X:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH
Cysteine synthase ; ligands: OAS ; X-RAY DIFFRACTION 2.030Å
e2pqmA2[A:2-165] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYSTEINE SYNTHASE ; ligands: PLP,SO4 ; X-RAY DIFFRACTION 1.86Å
e2pqmB1[B:3-165] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYSTEINE SYNTHASE ; ligands: PLP,SO4 ; X-RAY DIFFRACTION 1.86Å
e2q3bA2[A:1-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYSTEINE SYNTHASE A ; ligands: CL,MPD ; X-RAY DIFFRACTION 1.8Å
e2q3cA2[A:1-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYSTEINE SYNTHASE A ; X-RAY DIFFRACTION 2.1Å
e2q3dA2[A:1-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase A ; ligands: PDA ; X-RAY DIFFRACTION 2.20Å
e4ql4A1[A:1-150] Image Pymol Jmol Links: PDB, SCOP, CATH
e4r2vA2[A:1-152] Image Pymol Jmol Links: PDB, SCOP, CATH
e4r2vB2[B:1-152] Image Pymol Jmol Links: PDB, SCOP, CATH
e3rr2A1[A:0-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; X-RAY DIFFRACTION 1.950Å
e3spxA1[A:2-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-acetyl serine sulfhydrylase ; ligands: NA,PEG ; X-RAY DIFFRACTION 1.790Å
e3t4pA1[A:2-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-acetyl serine sulfhydrylase ; ligands: PEG ; X-RAY DIFFRACTION 1.77Å
e3tbhA1[A:2-158] Image Pymol Jmol Links: PDB, SCOP, CATH
O-acetyl serine sulfhydrylase ; ligands: NA ; X-RAY DIFFRACTION 1.68Å
e2v03A1[A:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase B ; ligands: CIT,GOL,PLP ; X-RAY DIFFRACTION 1.33Å
e3vbeA2[A:51-202] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
BETA-CYANOALNINE SYNTHASE ; ligands: PLP ; X-RAY DIFFRACTION 2.5Å
e3vbeB2[B:52-202] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
BETA-CYANOALNINE SYNTHASE ; ligands: PLP ; X-RAY DIFFRACTION 2.5Å
e3vbeC2[C:44-202] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
BETA-CYANOALNINE SYNTHASE ; ligands: PLP ; X-RAY DIFFRACTION 2.5Å
e3vbeD1[D:51-202] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
BETA-CYANOALNINE SYNTHASE ; ligands: PLP ; X-RAY DIFFRACTION 2.5Å
e3vc3A2[A:51-202] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
beta-cyanoalnine synthase ; ligands: C6P ; X-RAY DIFFRACTION 1.7660Å
e3vc3B1[B:51-202] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
beta-cyanoalnine synthase ; ligands: C6P ; X-RAY DIFFRACTION 1.7660Å
e3vc3C2[C:51-202] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
beta-cyanoalnine synthase ; ligands: C6P ; X-RAY DIFFRACTION 1.7660Å
e3vc3D1[D:50-202] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
beta-cyanoalnine synthase ; ligands: C6P ; X-RAY DIFFRACTION 1.7660Å
e3vc3E1[E:51-202] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
beta-cyanoalnine synthase ; ligands: C6P ; X-RAY DIFFRACTION 1.7660Å
e3vc3F2[F:51-202] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
beta-cyanoalnine synthase ; ligands: C6P ; X-RAY DIFFRACTION 1.7660Å
e1y7lA2[A:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-ACETYLSERINE SULFHYDRYLASE ; ligands: SO4 ; X-RAY DIFFRACTION 1.55Å
e1z7wA1[A:3-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYSTEINE SYNTHASE ; ligands: PLP,SO4 ; X-RAY DIFFRACTION 2.2Å
e1z7yA2[A:3-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; ligands: AA5 ; X-RAY DIFFRACTION 2.7Å
e3zeiA1[A:1-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-ACETYLSERINE SULFHYDRYLASE ; ligands: AWH,PLP ; X-RAY DIFFRACTION 2.0Å
e4zu1X2[X:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH
Cysteine synthase ; ligands: OAS ; X-RAY DIFFRACTION 2.2Å
e4zu6X2[X:1-149] Image Pymol Jmol Links: PDB, SCOP, CATH
Cysteine synthase ; ligands: OAS,PLP ; X-RAY DIFFRACTION 2.03Å
e4zu8X2[X:1-149] Image Pymol Jmol Links: PDB, SCOP, CATH
e3x43A2[A:2-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-ureido-L-serine synthase ; ligands: PLP ; X-RAY DIFFRACTION 2.25Å
e3x43B1[B:2-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-ureido-L-serine synthase ; ligands: PLP ; X-RAY DIFFRACTION 2.25Å
e3x43C1[C:2-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-ureido-L-serine synthase ; ligands: PLP ; X-RAY DIFFRACTION 2.25Å
e3x43D2[D:2-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-ureido-L-serine synthase ; ligands: PLP ; X-RAY DIFFRACTION 2.25Å
e3x43E1[E:2-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-ureido-L-serine synthase ; ligands: PLP ; X-RAY DIFFRACTION 2.25Å
e3x43F2[F:2-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-ureido-L-serine synthase ; ligands: PLP ; X-RAY DIFFRACTION 2.25Å
e3x43G1[G:2-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-ureido-L-serine synthase ; ligands: PLP ; X-RAY DIFFRACTION 2.25Å
e3x43H1[H:2-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-ureido-L-serine synthase ; ligands: PLP ; X-RAY DIFFRACTION 2.25Å
e3x44A1[A:2-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-ureido-L-serine synthase ; ligands: PUS ; X-RAY DIFFRACTION 1.9Å
e3x44B2[B:2-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-ureido-L-serine synthase ; ligands: PUS ; X-RAY DIFFRACTION 1.9Å
e5dbeX2[X:1-149] Image Pymol Jmol Links: PDB, SCOP, CATH
Cysteine synthase ; ligands: 0JO,OAS ; X-RAY DIFFRACTION 2.250Å
e5dbhX1[X:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH
Cysteine synthase ; ligands: 0JO ; X-RAY DIFFRACTION 1.98Å
e5hbgA2[A:1-152] Image Pymol Jmol Links: PDB, SCOP, CATH
e5hbgB2[B:1-152] Image Pymol Jmol Links: PDB, SCOP, CATH
; ligands: OAS
e5j43E1[E:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase A ; X-RAY DIFFRACTION 2.70Å
e5j43A2[A:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase A ; X-RAY DIFFRACTION 2.70Å
e5j5vA2[A:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase A ; X-RAY DIFFRACTION 2.75Å
e5j5vD2[D:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase A ; X-RAY DIFFRACTION 2.75Å
e5i6dA2[A:3-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-phosphoserine sulfhydrylase ; ligands: AU6,GOL,PLP ; X-RAY DIFFRACTION 1.64Å
e5i6dB2[B:3-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-phosphoserine sulfhydrylase ; ligands: AU6,GOL,PLP ; X-RAY DIFFRACTION 1.64Å
e5i6dC2[C:0-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-phosphoserine sulfhydrylase ; ligands: AU6,PLP ; X-RAY DIFFRACTION 1.64Å
e5i6dD1[D:3-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-phosphoserine sulfhydrylase ; ligands: AU6,PLP ; X-RAY DIFFRACTION 1.64Å
e5i7aA1[A:3-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-phosphoserine sulfhydrylase ; ligands: 68Q,PLP ; X-RAY DIFFRACTION 2.08Å
e5i7aB2[B:3-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-phosphoserine sulfhydrylase ; ligands: 68Q,PLP ; X-RAY DIFFRACTION 2.08Å
e5i7aC2[C:3-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-phosphoserine sulfhydrylase ; ligands: 68Q,PLP ; X-RAY DIFFRACTION 2.08Å
e5i7aD2[D:3-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-phosphoserine sulfhydrylase ; ligands: 68Q,PLP ; X-RAY DIFFRACTION 2.08Å
e5i7hA1[A:3-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-phosphoserine sulfhydrylase ; ligands: 68V,PLP ; X-RAY DIFFRACTION 2.57Å
e5i7hB2[B:2-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-phosphoserine sulfhydrylase ; ligands: 68V,PLP ; X-RAY DIFFRACTION 2.57Å
e5i7hC1[C:2-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-phosphoserine sulfhydrylase ; ligands: 68V,PLP ; X-RAY DIFFRACTION 2.57Å
e5i7hD2[D:3-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-phosphoserine sulfhydrylase ; ligands: 68V,PLP ; X-RAY DIFFRACTION 2.57Å
e5i7oA2[A:3-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-phosphoserine sulfhydrylase ; ligands: PLP,S16 ; X-RAY DIFFRACTION 2.49Å
e5i7oB1[B:2-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-phosphoserine sulfhydrylase ; ligands: PLP,S16 ; X-RAY DIFFRACTION 2.49Å
e5i7oC2[C:2-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-phosphoserine sulfhydrylase ; ligands: PLP,S16 ; X-RAY DIFFRACTION 2.49Å
e5i7oD2[D:3-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-phosphoserine sulfhydrylase ; ligands: PLP,S16 ; X-RAY DIFFRACTION 2.49Å
e5i7rB2[B:2-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-phosphoserine sulfhydrylase ; ligands: 68W,ACT,PLP ; X-RAY DIFFRACTION 1.73Å
e5i7rA2[A:2-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-phosphoserine sulfhydrylase ; ligands: 68W,ACT,PLP ; X-RAY DIFFRACTION 1.73Å
e5iw8A2[A:3-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-phosphoserine sulfhydrylase ; ligands: 6EC,NA,PLP ; X-RAY DIFFRACTION 2.04Å
e5iw8B1[B:3-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-phosphoserine sulfhydrylase ; ligands: 6EC,PLP ; X-RAY DIFFRACTION 2.04Å
e5iwcA1[A:2-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-phosphoserine sulfhydrylase ; ligands: 6EQ,PLP ; X-RAY DIFFRACTION 2.70Å
e5iwcB2[B:2-157] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-phosphoserine sulfhydrylase ; ligands: 6EQ,PLP ; X-RAY DIFFRACTION 2.70Å
e5b1hA1[A:1-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cystathionine beta-synthase ; ligands: GOL,SO4 ; X-RAY DIFFRACTION 2.39Å
e5b1hB2[B:1-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cystathionine beta-synthase ; ligands: GOL,SO4 ; X-RAY DIFFRACTION 2.39Å
e5b1hC2[C:1-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cystathionine beta-synthase ; ligands: GOL,SO4 ; X-RAY DIFFRACTION 2.39Å
e5b1hD2[D:1-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cystathionine beta-synthase ; ligands: GOL,SO4 ; X-RAY DIFFRACTION 2.39Å
e5b1iA1[A:1-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cystathionine beta-synthase ; ligands: AA5,SO4 ; X-RAY DIFFRACTION 3.3Å
e5b1iB1[B:1-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cystathionine beta-synthase ; ligands: AA5,SO4 ; X-RAY DIFFRACTION 3.3Å
e5b1iC1[C:1-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cystathionine beta-synthase ; ligands: AA5,SO4 ; X-RAY DIFFRACTION 3.3Å
e5b1iD1[D:1-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cystathionine beta-synthase ; ligands: AA5,SO4 ; X-RAY DIFFRACTION 3.3Å
e5b1iE2[E:1-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cystathionine beta-synthase ; ligands: AA5,SO4 ; X-RAY DIFFRACTION 3.3Å
e5b1iF2[F:1-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cystathionine beta-synthase ; ligands: AA5,SO4 ; X-RAY DIFFRACTION 3.3Å
e5b1iG1[G:1-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cystathionine beta-synthase ; ligands: AA5,SO4 ; X-RAY DIFFRACTION 3.3Å
e5b1iH1[H:1-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cystathionine beta-synthase ; ligands: AA5,SO4 ; X-RAY DIFFRACTION 3.3Å
e5xa2A2[A:1-149] Image Pymol Jmol Links: PDB, SCOP, CATH
Cysteine synthase ; X-RAY DIFFRACTION 2.034Å
e5xa2B1[B:1-149] Image Pymol Jmol Links: PDB, SCOP, CATH
Cysteine synthase ; X-RAY DIFFRACTION 2.034Å
e5b53A1[A:2-153] Image Pymol Jmol Links: PDB, SCOP, CATH
Cysteine synthase ; ligands: PLP ; X-RAY DIFFRACTION 2.90Å
e5b54A2[A:6-153] Image Pymol Jmol Links: PDB, SCOP, CATH
e5b54B1[B:0-153] Image Pymol Jmol Links: PDB, SCOP, CATH
e5b54C1[C:4-153] Image Pymol Jmol Links: PDB, SCOP, CATH
e5b54D2[D:4-153] Image Pymol Jmol Links: PDB, SCOP, CATH
e5b55A2[A:3-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; ligands: 0JO,PLP ; X-RAY DIFFRACTION 2.14Å
e5b55B2[B:3-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; ligands: 0JO,PEG,PLP ; X-RAY DIFFRACTION 2.14Å
e5xw3A1[A:1-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-acetylserine lyase ; X-RAY DIFFRACTION 2.17Å
e5xw3B2[B:1-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
O-acetylserine lyase ; X-RAY DIFFRACTION 2.17Å
e5z5cA2[A:5-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; ligands: CL,PLP ; X-RAY DIFFRACTION 2.07Å
e5z5cB1[B:0-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; ligands: PLP ; X-RAY DIFFRACTION 2.07Å
e5z5cC1[C:4-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; ligands: CL,PLP ; X-RAY DIFFRACTION 2.07Å
e5z5cD2[D:4-153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; ligands: CL,PLP ; X-RAY DIFFRACTION 2.07Å
e5xemA2[A:1-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; ligands: 85F,ACT,CA,PG0,PLP ; X-RAY DIFFRACTION 1.84Å
e5xemB1[B:2-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; ligands: 85F,ACT,CA,PEG,PG5,PLP ; X-RAY DIFFRACTION 1.84Å
e5xenA1[A:1-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; ligands: ACT,CA,PLP,SER ; X-RAY DIFFRACTION 1.940Å
e5xenB1[B:2-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; ligands: ACT,PEG,PLP,SER ; X-RAY DIFFRACTION 1.940Å
e5xeoA1[A:-3-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; ligands: ACT,CA,PLP ; X-RAY DIFFRACTION 2.03Å
e5xeoB2[B:2-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; ligands: ACT,PEG,PLP ; X-RAY DIFFRACTION 2.03Å
e5xcnX2[X:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; X-RAY DIFFRACTION 1.69Å
e5xcpX1[X:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; X-RAY DIFFRACTION 2.0Å
e5xcwX1[X:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; X-RAY DIFFRACTION 1.89Å
e5xoqA1[A:0-149] Image Pymol Jmol Links: PDB, SCOP, CATH
Cysteine synthase ; ligands: PEG ; X-RAY DIFFRACTION 1.87Å
e5xoqB1[B:0-149] Image Pymol Jmol Links: PDB, SCOP, CATH
Cysteine synthase ; X-RAY DIFFRACTION 1.87Å
e6ahiA2[A:1-152] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; X-RAY DIFFRACTION 1.9Å
e6ahiB1[B:1-152] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine synthase ; ligands: MET ; X-RAY DIFFRACTION 1.9Å
e6aifA1[A:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH
Cysteine synthase ; X-RAY DIFFRACTION 2.3Å
e1ve1A2[A:148-302] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH
O-ACETYLSERINE SULFHYDRYLASE ; ligands: PLP ; X-RAY DIFFRACTION 1.45Å
e1v71A1[A:6-161] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH
HYPOTHETICAL PROTEIN C320.14 IN CHROMOSOME III ; ligands: PLP ; X-RAY DIFFRACTION 1.7Å
e1v71A2[A:162-323] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH
HYPOTHETICAL PROTEIN C320.14 IN CHROMOSOME III ; ligands: MG,PLP ; X-RAY DIFFRACTION 1.7Å
e1tyzA1[A:1-169] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1-AMINOCYCLOPROPANE-1-CARBOXYLATE DEAMINASE ; ligands: PLP,SO4 ; X-RAY DIFFRACTION 2.0Å
e1tyzA2[A:170-338] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1-AMINOCYCLOPROPANE-1-CARBOXYLATE DEAMINASE ; ligands: PLP,SO4 ; X-RAY DIFFRACTION 2.0Å
e1v7cA1[A:1-164] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
THREONINE SYNTHASE ; ligands: HEY ; X-RAY DIFFRACTION 2.0Å
e1v7cA2[A:165-351] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
THREONINE SYNTHASE ; ligands: HEY ; X-RAY DIFFRACTION 2.0Å
e1wkvA2[A:97-230] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYSTEINE SYNTHASE ; ligands: ACT,PLP ; X-RAY DIFFRACTION 2.0Å
e1wkvA3[A:231-383] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CYSTEINE SYNTHASE ; ligands: PLP ; X-RAY DIFFRACTION 2.0Å
e1ve5A1[A:2-152] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH
THREONINE DEAMINASE ; ligands: PLP ; X-RAY DIFFRACTION 2.15Å
e1ve5A2[A:153-311] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH
THREONINE DEAMINASE ; ligands: CA,PLP ; X-RAY DIFFRACTION 2.15Å
e1vb3A2[A:85-221] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH
THREONINE SYNTHASE ; ligands: KPA,SO4 ; X-RAY DIFFRACTION 2.2Å
e1e5xA2[A:131-270] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
THREONINE SYNTHASE ; X-RAY DIFFRACTION 2.25Å
e1e5xA3[A:271-486] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
THREONINE SYNTHASE ; X-RAY DIFFRACTION 2.25Å
e1j0aA1[A:1-164] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1-AMINOCYCLOPROPANE-1-CARBOXYLATE DEAMINASE ; ligands: IPA,PLP,SO4 ; X-RAY DIFFRACTION 2.5Å
e1j0aA2[A:165-325] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
1-AMINOCYCLOPROPANE-1-CARBOXYLATE DEAMINASE ; ligands: PLP,SO4 ; X-RAY DIFFRACTION 2.5Å
e1p5jA1[A:4-142] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
L-serine dehydratase ; ligands: PLP ; X-RAY DIFFRACTION 2.5Å
e1p5jA2[A:143-322] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
L-serine dehydratase ; ligands: PLP ; X-RAY DIFFRACTION 2.5Å
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