O52538 (CAH_ERWCA) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
Carbonic anhydrase
EC=4.2.1.1

Alternative name(s):
Carbonate dehydratase

Gene names

Name:

cah

Organism

Erwinia carotovora

Taxonomic identifier

554 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Pectobacterium

Protein attributes

Sequence length	244 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is further processed into a mature form.
Protein existence	Inferred from homology

General annotation (Comments)

Function	Reversible hydration of carbon dioxide.
Catalytic activity	H2CO3 = CO2 + H2O.
Cofactor	Zinc By similarity.
Subcellular location	Periplasm Potential.
Sequence similarities	Belongs to the alpha-carbonic anhydrase family.

Ontologies

Keywords
Cellular component	Periplasm
Domain	Signal
Ligand	Metal-binding Zinc
Molecular function	Lyase
PTM	Disulfide bond
Gene Ontology (GO)
Biological process	one-carbon metabolic process Inferred from electronic annotation. Source: InterPro
Cellular component	periplasmic space Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	carbonate dehydratase activity Inferred from electronic annotation. Source: EC zinc ion binding Inferred from electronic annotation. Source: InterPro
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Signal peptide	1 – 19	19	Potential
	Chain	20 – 244	225	Carbonic anhydrase		PRO_0000004264
Regions
	Region	195 – 196	2	Substrate binding By similarity
Sites
	Active site	84	1	Proton acceptor By similarity
	Metal binding	109	1	Zinc; catalytic By similarity
	Metal binding	111	1	Zinc; catalytic By similarity
	Metal binding	128	1	Zinc; catalytic By similarity
Amino acid modifications
	Disulfide bond	46 ↔ 199		By similarity

Sequences

	Sequence		Length	Mass (Da)
	O52538 [UniParc]. Last modified June 1, 1998. Version 1. Checksum: DCA6C1DCE9C97F55	FASTA	244	26,773
	10 20 30 40 50 60 MKGKLSIALM LSVCFSASAT DSVHWGYEGN GDPAHWGKLS PDFSLCETGK NQSPINIRQA 70 80 90 100 110 120 LNAQHDPLQL AFQSGTQQII NNGHTIQVNV SPGNTLLLDN ETFTLQQFHF HAPSENEIDG 130 140 150 160 170 180 KQFPLEGHFV YKNADGALTV IALMFQEGAA NPQLATAWQQ IPARVDQAED VRTPVAIQAL 190 200 210 220 230 240 LPTSLNYYRF SGSLTTPPCS EGIRWLVLDH PVTASAEQIS QFSSVMHHAN NRPIQPLNGR IIIH

References

[1]	"Identification and characterization of the fis operon in enteric bacteria." Beach M.B., Osuna R. J. Bacteriol. 180:5932-5946(1998) [PubMed: 9811652] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
+	Additional computationally mapped references.

Cross-references

Sequence databases
EMBL GenBank DDBJ	AF040381 Genomic DNA. Translation: AAC77891.1.
3D structure databases
ProteinModelPortal	O52538.
ModBase	Search...
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Family and domain databases
InterPro	IPR001148. a_carbonic_anhydrase. IPR023561. Carbonic_anhydrase_a-class. IPR018338. Carbonic_anhydrase_a-class_CS. [Graphical view]
Gene3D	G3DSA:3.10.200.10. Euk_COanhd. 1 hit.
PANTHER	PTHR18952. Euk_COanhd. 1 hit.
Pfam	PF00194. Carb_anhydrase. 1 hit. [Graphical view]
SMART	SM01057. Carb_anhydrase. 1 hit. [Graphical view]
SUPFAM	SSF51069. Euk_COanhd. 1 hit.
PROSITE	PS00162. ALPHA_CA_1. 1 hit. PS51144. ALPHA_CA_2. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

CAH_ERWCA

Accession

Primary (citable) accession number: O52538

Entry history

Integrated into UniProtKB/Swiss-Prot:	July 15, 1999
Last sequence update:	June 1, 1998
Last modified:	January 25, 2012
This is version 65 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program