Annotations: 2BHS

Crystal Structure of Cysteine Synthase B

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
D	d2bhsd_	Alpha and beta proteins (a/b)	Tryptophan synthase beta subunit-like PLP-dependent enzymes	Tryptophan synthase beta subunit-like PLP-dependent enzymes	automated matches	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
C	d2bhsc_	Alpha and beta proteins (a/b)	Tryptophan synthase beta subunit-like PLP-dependent enzymes	Tryptophan synthase beta subunit-like PLP-dependent enzymes	automated matches	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d2bhsb_	Alpha and beta proteins (a/b)	Tryptophan synthase beta subunit-like PLP-dependent enzymes	Tryptophan synthase beta subunit-like PLP-dependent enzymes	automated matches	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d2bhsa1	Alpha and beta proteins (a/b)	Tryptophan synthase beta subunit-like PLP-dependent enzymes	Tryptophan synthase beta subunit-like PLP-dependent enzymes	Tryptophan synthase beta subunit-like PLP-dependent enzymes	O-acetylserine sulfhydrylase (Cysteine synthase)	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	Tryptophan synthase beta subunit-like PLP-dependent enzymes	8038101	3001427	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Tryptophan synthase beta subunit-like PLP-dependent enzymes	8038101	3001427	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Tryptophan synthase beta subunit-like PLP-dependent enzymes	8038101	3001427	SCOP2B (2022-06-29)
A	SCOP2 Family	Tryptophan synthase beta subunit-like PLP-dependent enzymes	8025722	4000798	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Tryptophan synthase beta subunit-like PLP-dependent enzymes	8038101	3001427	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	PPV_E1_C	e2bhsD1	A: alpha arrays	X: jelly-roll	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PPV_E1_C	ECOD (v295.2)
C	PPV_E1_C	e2bhsC1	A: alpha arrays	X: jelly-roll	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PPV_E1_C	ECOD (v295.2)
B	PPV_E1_C	e2bhsB1	A: alpha arrays	X: jelly-roll	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PPV_E1_C	ECOD (v295.2)
A	PPV_E1_C	e2bhsA1	A: alpha arrays	X: jelly-roll	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PPV_E1_C	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	3.40.50.1100	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
C	3.40.50.1100	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
B	3.40.50.1100	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
A	3.40.50.1100	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF00291	Pyridoxal-phosphate dependent enzyme (PALP)	Pyridoxal-phosphate dependent enzyme	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	CYSTEINE SYNTHASE B	identical protein binding protein binding binding protein homodimerization activity protein dimerization activity cysteine synthase activity transferase activity transferase activity, transferring alkyl or aryl (other than methyl) groups catalytic activity vitamin binding vitamin B6 binding pyridoxal phosphate binding ion binding anion binding identical protein binding protein binding binding protein homodimerization activity protein dimerization activity cysteine synthase activity transferase activity transferase activity, transferring alkyl or aryl (other than methyl) groups catalytic activity vitamin binding vitamin B6 binding pyridoxal phosphate binding ion binding anion binding heterocyclic compound binding small molecule binding carbon-sulfur lyase activity L-cysteine desulfhydrase activity lyase activity	cellular component biogenesis cellular component organization metallo-sulfur cluster assembly cellular component assembly iron-sulfur cluster assembly cellular process cellular component organization or biogenesis	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR005856	Cysteine synthase	Family
A, B, C, D	IPR036052	Tryptophan synthase beta chain-like, PALP domain superfamily	Homologous Superfamily
A, B, C, D	IPR001926	Tryptophan synthase beta chain-like, PALP domain	Domain
A, B, C, D	IPR005858	Cysteine synthase CysM	Family
A, B, C, D	IPR001216	Cysteine synthase/cystathionine beta-synthase, pyridoxal-phosphate attachment site	Binding Site
A, B, C, D	IPR050214	Cysteine synthase/Cystathionine beta-synthase	Family