Annotations: 2ESF

Identification of a Novel Non-Catalytic Bicarbonate Binding Site in Eubacterial beta-Carbonic Anhydrase

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)
B	d2esfb_	Alpha and beta proteins (a/b)	Resolvase-like	beta-carbonic anhydrase, cab	beta-carbonic anhydrase, cab	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d2esfa_	Alpha and beta proteins (a/b)	Resolvase-like	beta-carbonic anhydrase, cab	beta-carbonic anhydrase, cab	automated matches	(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)
B	SCOP2B Superfamily	beta-carbonic anhydrase, cab	8033699	3000468	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	beta-carbonic anhydrase, cab	8033699	3000468	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	RecU	e2esfB1	A: a/b three-layered sandwiches	X: HTH	H: HTH	T: winged helix domain	F: RecU	ECOD (v294.1)
A	RecU	e2esfA1	A: a/b three-layered sandwiches	X: HTH	H: HTH	T: winged helix domain	F: RecU	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.40.1050.10	Alpha Beta	3-Layer(aba) Sandwich	Beta-carbonic Anhydrase	Chain A	CATH (4.3.0)
A	3.40.1050.10	Alpha Beta	3-Layer(aba) Sandwich	Beta-carbonic Anhydrase	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00484	Carbonic anhydrase (Pro_CA)	Carbonic anhydrase	This family includes carbonic anhydrases as well as a family of non-functional homologues related to YbcF.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Carbonic anhydrase 2	cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding carbonate dehydratase activity hydro-lyase activity lyase activity catalytic activity carbon-oxygen lyase activity identical protein binding protein binding	carbon utilization response to nutrient levels response to stimulus protein-containing complex organization protein homotetramerization cellular component organization cellular component biogenesis cellular component assembly protein complex oligomerization protein tetramerization protein-containing complex assembly protein homooligomerization cellular process cellular component organization or biogenesis	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR001765	Carbonic anhydrase	Family
A, B	IPR015892	Carbonic anhydrase, prokaryotic-like, conserved site	Conserved Site
A, B	IPR036874	Carbonic anhydrase superfamily	Homologous Superfamily

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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.