Structure of PDB 1pyt Chain B

Receptor sequence
>1pytB (length=309) Species: 9913 (Bos taurus) [Search protein sequence]
ARSTNTFNYATYHTLDEIYDFMDLLVAEHPQLVSKLQIGRSYEGRPIYVL
KFSTGGSNRPAIWIDLGIHSREWITQATGVWFAKKFTEDYGQDPSFTAIL
DSMDIFLEIVTNPDGFAFTHSQNRLWRKTRSVTSSSLCVGVDANRNWDAG
FGKAGASSSPCSETYHGKYANSEVEVKSIVDFVKDHGNFKAFLSIHSYSQ
LLLYPYGYTTQSIPDKTELNQVAKSAVEALKSLYGTSYKYGSIITTIYQA
SGGSIDWSYNQGIKYSFTFELRDTGRYGFLLPASQIIPTAQETWLGVLTI
MEHTLNNLY
3D structure
PDB1pyt The three-dimensional structure of the native ternary complex of bovine pancreatic procarboxypeptidase A with proproteinase E and chymotrypsinogen C.
ChainB
Resolution2.35 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) H69 E72 R127 H196 E270
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 B H69 E72 H196 H69 E72 H196
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:1pyt, PDBe:1pyt, PDBj:1pyt
PDBsum1pyt
PubMed7556081
UniProtP00730|CBPA1_BOVIN Carboxypeptidase A1 (Gene Name=CPA1)

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