PDB Entry (1k2i) |
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PDB ID: 1k2i | Resolution: 1.8 Å | Exp. Method: X-RAY DIFFRACTION |
PMID: 11846564 | DOI: 10.1006/jmbi.2001.5148 | |
Protein |
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Protein Name: Chymotrypsinogen A | |
Uniprot ID/ACC: P00766 (CTRA_BOVIN) | Organism: Bos taurus (Bovine) |
Gene Symbol: - | Gene ID: - |
Protein Class: HYDROLASE |
Ligand |
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Ligand Name: 7-hydroxycoumarin | ||
Canonical SMILES: Oc(c1)ccc(c12)ccc(o2)=O | ||
Standard InChI: InChI=1S/C9H6O3/c10-7-3-1-6-2-4-9(11)12-8(6)5-7/h1-5,10H | ||
HET Code: SN1 | PubChem: 5281426 | |
DrugBank: - | ChEMBL: CHEMBL51628 | |
Molecular Formula: C9H6O3 | Mol. Weight: 162.0317 | logP: 1.4986 |
HBD: 1 | HBA: 3 | |
#Rotatable Bonds: 0 | TPSA: 50.44 |
Covalent Mechanism |
Reaction Name | Residue | Chain ID | SASA | pKa | Warhead Name | Warhead Structure |
Lactone Addition | SER 195 | 1 | 17.67 | - | Alpha-Pyrone |
Binding Affinity |
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Database Name | Value |
PDBBind | IC50 : 780000 nM |