SMTL ID : 1hax.1

Snapshots of serine protease catalysis: (A) acyl-enzyme intermediate between porcine pancreatic elastase and human beta-casomorphin-7 at pH 5

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.60 Å

Oligo State

monomer

Ligands

1 x VAL- GLU- PRO- ILE: BETA-CASOMORPHIN-7(Non-covalent)

VAL-GLU-PRO-ILE.1: 16 residues within 4Å: Chain A: H.45, V.88, W.164, T.167, G.183, C.184, Q.185, G.186, D.187, S.188, T.206, S.207, F.208, V.209, S.210, R.211 14 PLIP interactions: 14 interactions with chain A Hydrophobic interactions: A:V.88, A:W.164, A:T.167, A:T.206, A:F.208, A:F.208, A:V.209 Hydrogen bonds: A:Q.185, A:G.186, A:D.187, A:S.188, A:S.207, A:V.209, A:V.209

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.2

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

SO4.3: 1 residues within 4Å: Chain A: R.136 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:R.136

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Wilmouth, R.C. et al., X-Ray Snapshots of Serine Protease Catalysis Reveal a Tetrahedral Intermediate. Nat.Struct.Biol. (2001)

Release Date

2001-08-02

Peptides

ELASTASE 1: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

ELASTASE 1

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