SMTL ID : 6dik.1

Crystal structure of Bothropstoxin I (BthTX-I) complexed to Chicoric acid

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.93 Å

Oligo State

homo-dimer

Ligands

1 x GKP: (2R,3R)-2,3-bis{[(2E)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy}butanedioic acid(Non-covalent)

GKP.1: 8 residues within 4Å: Chain A: L.2, F.3, G.6, K.7, L.10, P.17 Chain B: L.111, P.113 12 PLIP interactions: 11 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:F.3, A:F.3, A:K.7, A:K.7, A:L.10, B:P.113 Hydrogen bonds: A:G.6, A:K.7 Water bridges: A:L.2, A:K.7 Salt bridges: A:K.7, A:K.7

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

SO4.2: 4 residues within 4Å: Chain A: K.19, K.105, R.108 Ligands: SO4.3 3 PLIP interactions: 3 interactions with chain A Salt bridges: A:K.19, A:K.105, A:R.108 SO4.3: 5 residues within 4Å: Chain A: G.14, K.15, N.16, K.19 Ligands: SO4.2 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:N.16 Water bridges: A:N.16, A:N.16 Salt bridges: A:K.15, A:K.19 SO4.4: 2 residues within 4Å: Chain A: R.33, K.52 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:R.33 Water bridges: A:R.33 Salt bridges: A:R.33, A:K.52 SO4.5: 3 residues within 4Å: Chain B: G.32, R.33, K.52 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:R.33, B:R.33 Salt bridges: B:R.33, B:K.52 SO4.6: 2 residues within 4Å: Chain B: K.105, R.108 2 PLIP interactions: 2 interactions with chain B Salt bridges: B:K.105, B:R.108

1 x BCT: BICARBONATE ION(Non-functional Binders)

BCT.7: 2 residues within 4Å: Chain B: I.94, R.97 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:R.97 Water bridges: B:E.12

1 x EOH: ETHANOL(Non-functional Binders)

EOH.8: 1 residues within 4Å: Chain B: P.17 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Cardoso, F.F. et al., Structural basis of phospholipase A2-like myotoxin inhibition by chicoric acid, a novel potent inhibitor of ophidian toxins. Biochim Biophys Acta Gen Subj (2018)

Release Date

2018-10-03

Peptides

Basic phospholipase A2 homolog bothropstoxin-1: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Basic phospholipase A2 homolog bothropstoxin-1

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