SMTL ID : 1tg1.1

Crystal Structure of the complex formed between russells viper phospholipase A2 and a designed peptide inhibitor PHQ-Leu-Val-Arg-Tyr at 1.2A resolution

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.25 Å

Oligo State

monomer

Ligands

1 x PHQ- LEU- VAL- ARG- TYR: peptide inhibitor(Non-covalent)

PHQ-LEU-VAL-ARG-TYR.1: 17 residues within 4Å: Chain A: L.2, L.3, F.5, I.9, I.18, Y.21, S.22, Y.27, C.28, G.29, W.30, G.31, C.44, H.47, D.48, Y.51, K.60 14 PLIP interactions: 14 interactions with chain A Hydrophobic interactions: A:L.2, A:L.3, A:F.5, A:I.18, A:I.18, A:W.30 Hydrogen bonds: A:G.29, A:W.30, A:D.48 Water bridges: A:D.48, A:Y.51 pi-Cation interactions: A:W.30, A:W.30, A:H.47

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

SO4.2: 2 residues within 4Å: Chain A: D.38, R.42 6 PLIP interactions: 6 interactions with chain A Water bridges: A:K.37, A:A.39, A:A.39, A:R.42, A:R.42 Salt bridges: A:R.42 SO4.3: 3 residues within 4Å: Chain A: E.4, R.63, K.65 2 PLIP interactions: 2 interactions with chain A Salt bridges: A:R.63, A:K.65 SO4.4: 3 residues within 4Å: Chain A: Y.103, S.104, K.105 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:S.104, A:K.105 Water bridges: A:K.106

1 x ACY: ACETIC ACID(Non-functional Binders)

ACY.5: 2 residues within 4Å: Chain A: K.37, Y.107 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Y.107 Salt bridges: A:K.37

2 x MOH: METHANOL(Non-functional Binders)

MOH.6: 5 residues within 4Å: Chain A: K.77, G.78, T.79, S.80, N.83 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:N.83 Water bridges: A:S.80 MOH.7: 1 residues within 4Å: Chain A: K.90 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:K.90

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Singh, N. et al., Crystal Structure of the complex formed between russells viper phospholipase A2 and a designed peptide inhibitor Cbz-dehydro-Leu-Val-Arg-Tyr at 1.2A resolution. To be Published

Release Date

2004-06-08

Peptides

Phospholipase A2: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Phospholipase A2

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