Annotations: 4CCY

Crystal structure of carboxylesterase CesB (YbfK) from Bacillus subtilis

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B		e4ccyB1	A: alpha arrays	X: FAD-linked reductases, C-terminal domain-like	H: FAD-linked reductases-C	T: FAD-linked reductases-C	F:	ECOD (v295.2)
A	Sigma70_r2	e4ccyA1	A: alpha arrays	X: MHC antigen-recognition domain	H: MHC antigen-recognition domain	T: MHC antigen-recognition domain	F: Sigma70_r2	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.40.50.1820	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Alpha/Beta hydrolase fold, catalytic domain	CATH (4.3.0)
A	3.40.50.1820	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Alpha/Beta hydrolase fold, catalytic domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B	PF12697	Alpha/beta hydrolase family (Abhydrolase_6)	Alpha/beta hydrolase family	This family contains alpha/beta hydrolase enzymes of diverse specificity.	Domain
A	PF12697	Alpha/beta hydrolase family (Abhydrolase_6)	Alpha/beta hydrolase family	This family contains alpha/beta hydrolase enzymes of diverse specificity.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	CARBOXYLESTERASE YBFK	hydrolase activity catalytic activity hydrolase activity, acting on ester bonds carboxylesterase activity carboxylic ester hydrolase activity	-	cellular anatomical structure intracellular anatomical structure cytoplasm
A	CARBOXYLESTERASE YBFK	hydrolase activity catalytic activity hydrolase activity, acting on ester bonds carboxylesterase activity carboxylic ester hydrolase activity	-	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR000073	Alpha/beta hydrolase fold-1	Domain
B	IPR050266	AB hydrolase RutD-like	Family
B	IPR029058	Alpha/Beta hydrolase fold	Homologous Superfamily
A	IPR000073	Alpha/beta hydrolase fold-1	Domain
A	IPR050266	AB hydrolase RutD-like	Family
A	IPR029058	Alpha/Beta hydrolase fold	Homologous Superfamily

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A	CSO	Parent Component: CYS : AA0205 : L-cysteine sulfenic acid MOD:00210

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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.