Annotations: 5OHX

Structure of active cystathionine B-synthase from Apis mellifera

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	ATP-synt_VA_C	e5ohxB2	A: alpha arrays	X: FAD-linked reductases, C-terminal domain-like	H: FAD-linked reductases-C	T: FAD-linked reductases-C	F: ATP-synt_VA_C	ECOD (v295.2)
B	WD40	e5ohxB3	A: alpha arrays	X: jelly-roll	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: WD40	ECOD (v295.2)
A	YceI	e5ohxA2	A: alpha arrays	X: Cryptochrome/photolyase FAD-binding domain-related	H: Cryptochrome/photolyase FAD-binding domain-related	T: Undecaprenyl diphosphate synthase	F: YceI	ECOD (v295.2)
A	WD40	e5ohxA3	A: alpha arrays	X: jelly-roll	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: WD40	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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	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	Cystathionine beta-synthase	vitamin binding vitamin B6 binding pyridoxal phosphate binding ion binding binding anion binding heterocyclic compound binding small molecule binding cystathionine beta-synthase activity hydro-lyase activity lyase activity catalytic activity carbon-oxygen lyase activity tetrapyrrole binding vitamin binding vitamin B6 binding pyridoxal phosphate binding ion binding binding anion binding heterocyclic compound binding small molecule binding cystathionine beta-synthase activity hydro-lyase activity lyase activity catalytic activity carbon-oxygen lyase activity tetrapyrrole binding heme binding	small molecule biosynthetic process oxoacid metabolic process sulfur amino acid metabolic process L-cysteine biosynthetic process carboxylic acid metabolic process amino acid metabolic process primary metabolic process carboxylic acid biosynthetic process proteinogenic amino acid metabolic process amino acid biosynthetic process sulfur compound biosynthetic process biosynthetic process proteinogenic amino acid biosynthetic process small molecule metabolic process small molecule biosynthetic process oxoacid metabolic process sulfur amino acid metabolic process L-cysteine biosynthetic process carboxylic acid metabolic process amino acid metabolic process primary metabolic process carboxylic acid biosynthetic process proteinogenic amino acid metabolic process amino acid biosynthetic process sulfur compound biosynthetic process biosynthetic process proteinogenic amino acid biosynthetic process small molecule metabolic process metabolic process cellular process sulfur compound metabolic process serine family amino acid biosynthetic process sulfur amino acid biosynthetic process	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR046342	CBS domain superfamily	Homologous Superfamily
A, B	IPR036052	Tryptophan synthase beta chain-like, PALP domain superfamily	Homologous Superfamily
A, B	IPR001926	Tryptophan synthase beta chain-like, PALP domain	Domain
A, B	IPR005857	Cystathionine beta-synthase	Family
A, B	IPR001216	Cysteine synthase/cystathionine beta-synthase, pyridoxal-phosphate attachment site	Binding Site
A, B	IPR050214	Cysteine synthase/Cystathionine beta-synthase	Family

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.