Structure of PDB 1cpx Chain A

Receptor sequence
>1cpxA (length=305) Species: 9913 (Bos taurus) [Search protein sequence]
STNTFNYATYHTLDEIYDFMDLLVAEHPQLVSKLQIGRSYEGRPIYVLKF
STGGSNRPAIWIDLGIHSREWITQATGVWFAKKFTEDYGQDPSFTAILDS
MDIFLEIVTNPDGFAFTHSQNRLWRKTRSVTSSSLCVGVDANRNWDAGFG
KAGASSSPCSETYHGKYANSEVEVKSIVDFVKDHGNFKAFLSIHSYSQLL
LYPYGYTTQSIPDKTELNQVAKSAVAALKSLYGTSYKYGSIITTIYQASG
GSIDWSYNQGIKYSFTFELRDTGRYGFLLPASQIIPTAQETWLGVLTIME
HTVNN
3D structure
PDB1cpx Native carboxypeptidase A in a new crystal environment reveals a different conformation of the important tyrosine 248.
ChainA
Resolution2.0 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
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:1cpx, PDBe:1cpx, PDBj:1cpx
PDBsum1cpx
PubMed9843422
UniProtP00730|CBPA1_BOVIN Carboxypeptidase A1 (Gene Name=CPA1)

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