Structure of PDB 4xiw Chain G

Receptor sequence
>4xiwG (length=238) Species: 3055 (Chlamydomonas reinhardtii) [Search protein sequence]
AAWNYGEVAGPPTWKGVCATGKRQSPINIPLNTSAPKVDAEMGEFDFAYG
SFEKCDVLNTGHGTMQVNFPAGNLAFIGNMELELLQFHFHAPSEHAMDGR
RYAMEAHLVHKNKSTGNLAVLGIMLEPGGLIKNPALSTALEVAPEVPLAK
KPSPKGINPVMLLPKKSKAGTRPFVHYPGSLTTPPCSEGVDWFVFMQPIK
VPDSQILDFMRFVGDNKTYATNTRPLQLLNSRLVEYEL
3D structure
PDB4xiw Crystal Structure and Functional Characterization of Photosystem II-Associated Carbonic Anhydrase CAH3 in Chlamydomonas reinhardtii.
ChainG
Resolution2.6 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H134 H160 H162 E166 H179 T254
Catalytic site (residue number reindexed from 1) H62 H88 H90 E94 H107 T182
Enzyme Commision number 4.2.1.1: carbonic anhydrase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 ZN G H160 H162 H179 H88 H90 H107
BS02 AZM G H160 H179 V181 L253 T254 T255 H88 H107 V109 L181 T182 T183
BS03 2HP G P199 G200 D275 P127 G128 D203
Gene Ontology
Molecular Function
GO:0004089 carbonate dehydratase activity
GO:0008270 zinc ion binding

View graph for
Molecular Function
External links
PDB RCSB:4xiw, PDBe:4xiw, PDBj:4xiw
PDBsum4xiw
PubMed25617045
UniProtQ39588

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