SMTL ID : 8est.1

REACTION OF PORCINE PANCREATIC ELASTASE WITH 7-SUBSTITUTED 3-ALKOXY-4-CHLOROISOCOUMARINS: DESIGN OF POTENT INHIBITORS USING THE CRYSTAL STRUCTURE OF THE COMPLEX FORMED WITH 4-CHLORO-3-ETHOXY-7-GUANIDINO-ISOCOUMARIN

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.78 Å

Oligo State

monomer

Ligands

1 x SO4: SULFATE ION(Non-functional Binders)

SO4.1: 4 residues within 4Å: Chain A: G.118, R.225, S.227, A.228 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:G.118 Water bridges: A:A.228 Salt bridges: A:R.225

1 x CA: CALCIUM ION(Non-covalent)

CA.2: 5 residues within 4Å: Chain A: E.59, N.61, Q.64, N.66, E.69 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.59, A:N.61, A:Q.64, A:E.69, H2O.1

1 x GIS: ETHYL-(2-CARBOXY-4-GUANIDINIUM-PHENYL)-CHLOROACETATE(Covalent)

GIS.3: 13 residues within 4Å: Chain A: T.29, C.30, A.43, H.45, C.46, C.184, Q.185, S.188, G.189, T.206, S.207, F.208, V.209 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:H.45, A:T.206, A:V.209 Hydrogen bonds: A:T.29, A:T.29, A:G.186 Water bridges: A:S.188, A:S.188 pi-Stacking: A:H.45

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Powers, J.C. et al., Reaction of porcine pancreatic elastase with 7-substituted 3-alkoxy-4-chloroisocoumarins: design of potent inhibitors using the crystal structure of the complex formed with 4-chloro-3-ethoxy-7-guanidinoisocoumarin. Biochemistry (1990)

Release Date

1992-10-15

Peptides

PORCINE PANCREATIC ELASTASE: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
E

PORCINE PANCREATIC ELASTASE

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