SMTL ID : 4yz7.1

Crystal structure of Piratoxin I (PrTX-I) complexed to aristolochic acid

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.96 Å

Oligo State

homo-dimer

Ligands

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

SO4.1: 2 residues within 4Å: Chain A: G.32, R.33 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:R.33 Salt bridges: A:R.33 SO4.2: 3 residues within 4Å: Chain A: T.72, I.94, R.97 3 PLIP interactions: 3 interactions with chain A Water bridges: A:R.97, A:R.97 Salt bridges: A:R.97 SO4.5: 4 residues within 4Å: Chain B: K.19, K.105, R.108 Ligands: SO4.6 3 PLIP interactions: 3 interactions with chain B Salt bridges: B:K.19, B:K.105, B:R.108 SO4.6: 4 residues within 4Å: Chain B: K.15, N.16, K.19 Ligands: SO4.5 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:N.16 Water bridges: B:N.16 Salt bridges: B:K.19 SO4.7: 2 residues within 4Å: Chain B: G.32, R.33 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:R.33, B:R.33 Salt bridges: B:R.33

1 x PE4: 2-{2-[2-(2-{2-[2-(2-ETHOXY-ETHOXY)-ETHOXY]-ETHOXY}-ETHOXY)-ETHOXY]-ETHOXY}-ETHANOL(Non-functional Binders)

PE4.3: 9 residues within 4Å: Chain B: I.9, P.17, Y.21, N.27, C.28, G.29, C.44, H.47, K.48 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:G.29, B:C.44, B:H.47

1 x 9AR: 9-HYDROXY ARISTOLOCHIC ACID(Non-covalent)

9AR.4: 4 residues within 4Å: Chain A: L.111, P.113 Chain B: L.10, Q.11 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:L.10, B:L.10, B:L.10, B:Q.11

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Fernandes, C.A. et al., Structural Basis for the Inhibition of a Phospholipase A2-Like Toxin by Caffeic and Aristolochic Acids. Plos One (2015)

Release Date

2015-08-05

Peptides

Basic phospholipase A2 homolog piratoxin-1: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Basic phospholipase A2 homolog piratoxin-1

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