Structure of PDB 3i1u Chain A

Receptor sequence
>3i1uA (length=303) Species: 9913 (Bos taurus) [Search protein sequence]
STNTFNYATYHTLDEIYDFMDLLVAEHPQLVSKLQIGRSYEGRPIYVLKF
STGGSNRPAIWIDLGIHSREWITQATGVWFAKKFTEDYGQDPSFTAILDS
MDIFLEIVTNPDGFAFTHSQNRLWRKTRSVTSSSLCVGVDANRNWDAGFG
KAGASSSPCSETYHGKYANSEVEVKSIVDFVKDHGNFKAFLSIHSYSQLL
LYPYGYTTQSIPDKTELNQVAKSAVAALKSLYGTSYKYGSIITTIYQASG
GSIDWSYNQGIKYSFTFELRDTGRYGFLLPASQIIPTAQETWLGVLTIME
HTV
3D structure
PDB3i1u The X-ray structure of carboxypeptidase A inhibited by a thiirane mechanism-based inhibitor
ChainA
Resolution1.391 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H69 E72 R127 H196 E270
Catalytic site (residue number reindexed from 1) H67 E70 R125 H194 E268
Enzyme Commision number 3.4.17.1: carboxypeptidase A.
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 A H69 E72 H196 H67 E70 H194
BS02 BTW A H69 R127 N144 R145 H196 I243 Y248 A250 T268 E270 H67 R125 N142 R143 H194 I241 Y246 A248 T266 E268
Gene Ontology
Molecular Function
GO:0004181 metallocarboxypeptidase activity
GO:0008270 zinc ion binding
Biological Process
GO:0006508 proteolysis

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Molecular Function
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Biological Process
External links
PDB RCSB:3i1u, PDBe:3i1u, PDBj:3i1u
PDBsum3i1u
PubMed19895506
UniProtP00730|CBPA1_BOVIN Carboxypeptidase A1 (Gene Name=CPA1)

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