Annotations: 2ZNC

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2znca_	All beta proteins	Carbonic anhydrase	Carbonic anhydrase	Carbonic anhydrase	Carbonic anhydrase	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Carbonic anhydrase	8030612	4002732	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Carbonic anhydrase	8042991	3001672	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)
A	Carb_anhydrase	e2zncA1	A: beta meanders	X: Carbonic anhydrase (From Topology)	H: Carbonic anhydrase (From Topology)	T: Carbonic anhydrase	F: Carb_anhydrase	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.10.200.10	Alpha Beta	Roll	Carbonic Anhydrase II	Alpha carbonic anhydrase	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00194	Eukaryotic-type carbonic anhydrase (Carb_anhydrase)	Eukaryotic-type carbonic anhydrase	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	CARBONIC ANHYDRASE IV	carbonate dehydratase activity hydro-lyase activity lyase activity catalytic activity carbon-oxygen lyase activity cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding	chemical homeostasis homeostatic process regulation of pH biological regulation monoatomic ion homeostasis monoatomic cation homeostasis localization bicarbonate transport organic anion transport transport organic substance transport establishment of localization one-carbon compound transport gas transport chemical homeostasis homeostatic process regulation of pH biological regulation monoatomic ion homeostasis monoatomic cation homeostasis localization bicarbonate transport organic anion transport transport organic substance transport establishment of localization one-carbon compound transport gas transport carbon dioxide transport cellular metabolic process small molecule metabolic process metabolic process cellular process one-carbon metabolic process	cell periphery cell surface membrane plasma membrane cellular anatomical entity external side of plasma membrane side of membrane apical part of cell plasma membrane region apical plasma membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle cell periphery cell surface membrane plasma membrane cellular anatomical entity external side of plasma membrane side of membrane apical part of cell plasma membrane region apical plasma membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle sarcolemma rough endoplasmic reticulum intracellular organelle intracellular anatomical structure endoplasmic reticulum cytoplasm intracellular membrane-bounded organelle endomembrane system intracellular vesicle cytoplasmic vesicle membrane bounding membrane of organelle vesicle membrane cytoplasmic vesicle secretory granule secretory vesicle organelle membrane secretory granule membrane Golgi apparatus subcompartment Golgi apparatus organelle subcompartment trans-Golgi network perinuclear region of cytoplasm brush border membrane cluster of actin-based cell projections plasma membrane bounded cell projection brush border cell projection cell projection membrane sarcoplasm sarcoplasmic reticulum endoplasmic reticulum-Golgi intermediate compartment transport vesicle transport vesicle membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR001148	Alpha carbonic anhydrase domain	Domain
A	IPR018338	Carbonic anhydrase, alpha-class, conserved site	Conserved Site
A	IPR041874	Carbonic anhydrase, CA4/CA15	Family
A	IPR036398	Alpha carbonic anhydrase domain superfamily	Homologous Superfamily
A	IPR023561	Carbonic anhydrase, alpha-class	Family

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.