SMTL ID : 1oex.1

Atomic Resolution Structure of Endothiapepsin in Complex with a Hydroxyethylene Transition State Analogue Inhibitor H261

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.10 Å

Oligo State

monomer

Ligands

1 x BOC- HIS- PRO- PHE- ALA- LOV- ILE- HIS: INHIBITOR H261(Non-covalent)

BOC-HIS-PRO-PHE-ALA-LOV-ILE-HIS.1: 29 residues within 4Å: Chain A: I.10, L.13, D.15, A.16, D.33, D.35, G.37, I.76, S.77, Y.78, G.79, D.80, S.82, D.118, I.121, L.124, L.132, T.134, F.193, I.216, D.218, G.220, T.221, T.222, F.279, G.280, P.281, I.282, F.290 32 PLIP interactions: 32 interactions with chain A Hydrophobic interactions: A:I.10, A:L.13, A:D.15, A:A.16, A:I.76, A:I.76, A:Y.78, A:D.80, A:I.121, A:L.124, A:L.132, A:T.134, A:F.193, A:F.193, A:I.216, A:F.279, A:F.290 Hydrogen bonds: A:D.15, A:D.35, A:G.37, A:S.77, A:S.77, A:G.79, A:D.80, A:D.80, A:G.220, A:T.222, A:T.222, A:T.222 Water bridges: A:S.77, A:S.77, A:L.223

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.2: 5 residues within 4Å: Chain A: C.254, D.278, G.280, P.281, C.289 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:C.254, A:D.278

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

SO4.3: 3 residues within 4Å: Chain A: Y.178, S.181, I.182 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Y.178, A:I.182 SO4.4: 2 residues within 4Å: Chain A: S.112, S.113 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:S.113 Water bridges: A:S.112, A:S.114 SO4.5: 2 residues within 4Å: Chain A: S.136, P.137 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:S.136, A:S.136 Water bridges: A:T.73 SO4.6: 2 residues within 4Å: Chain A: A.268, R.269 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:R.269 Water bridges: A:S.181, A:S.181, A:S.328, A:S.328

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Erskine, P.T. et al., Atomic Resolution Analysis of the Catalytic Site of an Aspartic Proteinase and an Unexpected Mode of Binding by Short Peptides. Protein Sci. (2003)

Release Date

2003-04-02

Peptides

ENDOTHIAPEPSIN: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

ENDOTHIAPEPSIN

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