1v9i Summary

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Crystal Structure Analysis of the site specific mutant (Q253C) of bovine carbonic anhydrase II

A publication describing this structure is not available. The depositing authors are Saito, R.search; Sato, T.search; Ikai, A.search; Tanaka, N.search

This crystal structure was determined using X-ray diffraction at a resolution of 2.95 Å and deposited in 2004.

The experimental data on which the structure is based was also deposited.

The PDB entry contains the structure of Carbonic anhydrase II. This molecule has the UniProt identifier P00921 (CAH2_BOVIN)search. The sample contained 261 residues which is 100% of the natural sequence. Out of 261 residues 261 were observed and are deposited in the PDB.

It also contains one or more heterogenic compounds (e.g., ligands, co-factors, ions, modified amino acids, etc.); see here for a complete list.

The molecule is most likely monomeric.

The following tables show cross-reference information to other databases (to obtain a list of all PDB entries sharing the same property or classification, click on the magnifying glass icon):


Chain Name UniProt Name of source organism % of UniProt sequence present in the sample Residues in the sample molecules % of residues observed
C Carbonic anhydrase II P00921 (2-260) (CAH2_BOVIN)search Bos taurussearch 98% 261 100%


This entry contains 1 unique UniProt protein:

UniProt accession Name Organism PDB
P00921 (2 - 260) Carbonic anhydrase II Bos taurus

Chain Structural classification (SCOP) Structural classification (CATH) Sequence family (Pfam)
C (P00921) Carbonic anhydrasesearch Carbonic Anhydrase IIsearch PF00194: Eukaryotic-type carbonic anhydrasesearch

Chain ID Biological process (GO) Cellular component (GO) Molecular function (GO)
C (P00921) one-carbon metabolic processsearch angiotensin-activated signaling pathwaysearch regulation of intracellular pHsearch regulation of anion transportsearch positive regulation of dipeptide transmembrane transportsearch cytoplasmsearch plasma membranesearch carbonate dehydratase activitysearch metal ion bindingsearch lyase activitysearch zinc ion bindingsearch

Chain InterPro annotation
C Alpha carbonic anhydrasesearch Carbonic anhydrase, alpha-class, conserved sitesearch Carbonic anhydrase 2search Carbonic anhydrase, alpha-classsearch