Structure of PDB 1cps Chain A

Receptor sequence
>1cpsA (length=307) Species: 9913 (Bos taurus) [Search protein sequence]
ARSTNTFNYATYHTLDEIYDFMDLLVAEHPQLVSKLQIGRSYEGRPIYVL
KFSTGGSNRPAIWIDLGIHSREWITQATGVWFAKKFTENYGQNPSFTAIL
DSMDIFLEIVTNPNGFAFTHSENRLWRKTRSVTSSSLCVGVDANRNWDAG
FGKAGASSSPCSETYHGKYANSEVEVKSIVDFVKNHGNFKAFLSIHSYSQ
LLLYPYGYTTQSIPDKTELNQVAKSAVAALKSLYGTSYKYGSIITTIYQA
SGGSIDWSYNQGIKYSFTFELRDTGRYGFLLPASQIIPTAQETWLGVLTI
MEHTVNN
3D structure
PDB1cps Structural comparison of sulfodiimine and sulfonamide inhibitors in their complexes with zinc enzymes.
ChainA
Resolution2.25 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 A H69 E72 H196 H69 E72 H196
BS02 CPM A N144 R145 H196 I243 T268 E270 N144 R145 H196 I243 T268 E270 MOAD: Ki=0.22uM
PDBbind-CN: -logKd/Ki=6.66,Ki=0.22uM
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:1cps, PDBe:1cps, PDBj:1cps
PDBsum1cps
PubMed1527041
UniProtP00730|CBPA1_BOVIN Carboxypeptidase A1 (Gene Name=CPA1)

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