SMTL ID : 3hgn.1

Structure of porcine pancreatic elastase complexed with a potent peptidyl inhibitor FR130180 determined by neutron crystallography

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.20 Å

Oligo State

monomer

Ligands

1 x FRW: 4-[[(2S)-3-METHYL-1-OXO-1-[(2S)-2-[[(3S)-1,1,1-TRIFLUORO-4-METHYL-2-OXO-PENTAN-3-YL]CARBAMOYL]PYRROLIDIN-1-YL]BUTAN-2-YL]CARBAMOYL]BENZOIC ACID(Covalent)

FRW.1: 21 residues within 4Å: Chain A: T.29, C.30, H.45, D.86, V.88, A.89, 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, T.221 19 PLIP interactions: 19 interactions with chain A Hydrophobic interactions: A:V.88, A:W.164, A:C.184, A:Q.185, A:S.188, A:T.206, A:R.211, A:R.211 Hydrogen bonds: A:H.45, A:T.167, A:G.186, A:G.186, A:D.187, A:S.188, A:S.207, A:V.209, A:V.209, A:R.211 Water bridges: A:Q.185

1 x CA: CALCIUM ION(Non-covalent)

CA.2: 7 residues within 4Å: Chain A: E.59, H.60, N.61, Q.64, N.65, D.66, E.69 7 PLIP interactions: 5 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:E.59, A:N.61, A:Q.64, A:D.66, A:E.69, H2O.167, H2O.167

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

SO4.3: 5 residues within 4Å: Chain A: G.118, N.170, R.225, S.227, A.228 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:G.118, A:G.118 Salt bridges: A:R.225

Links

RCSB   PDBe   PDBj   PDBsum   CATH   PLIP

Citation

Tamada, T. et al., Combined High-Resolution Neutron and X-ray Analysis of Inhibited Elastase Confirms the Active-Site Oxyanion Hole but Rules against a Low-Barrier Hydrogen Bond. J.Am.Chem.Soc. (2009)

Release Date

2009-07-28

Peptides

Elastase-1: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Elastase-1

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