SMTL ID : 1esb.1

DIRECT STRUCTURE OBSERVATION OF AN ACYL-ENZYME INTERMEDIATE IN THE HYDROLYSIS OF AN ESTER SUBSTRATE BY ELASTASE

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

monomer

Ligands

1 x BBL: N-[(BENZYLOXY)CARBONYL]-L-ALANINE(Covalent)

BBL.1: 10 residues within 4Å: Chain A: T.29, C.30, H.45, V.88, Q.185, G.186, D.187, S.188, S.207, F.208 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:H.45, A:V.88, A:F.208 Hydrogen bonds: A:Q.185, A:G.186, A:D.187, A:S.188 pi-Stacking: A:H.45

1 x CA: CALCIUM ION(Non-covalent)

CA.2: 6 residues within 4Å: Chain A: E.59, N.61, Q.64, N.65, N.66, E.69 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:E.59, A:N.61, A:Q.64, A:E.69

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

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

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ding, X. et al., Direct structural observation of an acyl-enzyme intermediate in the hydrolysis of an ester substrate by elastase. Biochemistry (1994)

Release Date

1994-04-30

Peptides

PORCINE PANCREATIC ELASTASE: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

PORCINE PANCREATIC ELASTASE

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