SMTL ID : 3hgx.1

Crystal Structure of Pseudomonas aeruginosa Isochorismate-Pyruvate Lyase K42A mutant in complex with salicylate and pyruvate

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

homo-dimer

Ligands

2 x SAL: 2-HYDROXYBENZOIC ACID(Non-covalent)

SAL.1: 10 residues within 4Å: Chain A: R.31, V.35, I.48, P.49, M.57, I.83, Y.86, I.87, Q.90 Ligands: PYR.3 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:I.83, A:I.87 Salt bridges: A:R.31 SAL.4: 12 residues within 4Å: Chain B: R.31, V.35, I.48, P.49, R.53, V.54, M.57, I.83, Y.86, I.87, Q.90 Ligands: PYR.2 6 PLIP interactions: 6 interactions with chain B Hydrophobic interactions: B:R.53, B:V.54, B:I.83, B:I.87 Hydrogen bonds: B:Q.90 Salt bridges: B:R.31

2 x PYR: PYRUVIC ACID(Non-covalent)

PYR.2: 8 residues within 4Å: Chain A: I.13, R.14, I.17 Chain B: A.38, A.50, R.53, Q.90 Ligands: SAL.4 7 PLIP interactions: 4 interactions with chain B, 3 interactions with chain A Hydrophobic interactions: B:A.38, A:I.13, A:I.17 Hydrogen bonds: B:Q.90 Water bridges: B:R.53 Salt bridges: B:R.53, A:R.14 PYR.3: 6 residues within 4Å: Chain A: A.38, R.53, Q.90 Chain B: R.14, I.17 Ligands: SAL.1 5 PLIP interactions: 2 interactions with chain B, 3 interactions with chain A Hydrophobic interactions: B:I.17, A:A.38 Salt bridges: B:R.14 Hydrogen bonds: A:Q.90 Water bridges: A:R.53

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Luo, Q. et al., Structure-function analyses of isochorismate-pyruvate lyase from Pseudomonas aeruginosa suggest differing catalytic mechanisms for the two pericyclic reactions of this bifunctional enzyme. Biochemistry (2009)

Release Date

2009-06-30

Peptides

Salicylate biosynthesis protein pchB: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Salicylate biosynthesis protein pchB