SMTL ID : 2wk8.1

Structure of holo form of Vibrio cholerae CqsA

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

homo-dimer

Ligands

2 x PLP: PYRIDOXAL-5'-PHOSPHATE(Non-covalent)

PLP.1: 17 residues within 4Å: Chain A: S.107, G.108, W.109, N.112, H.133, S.135, D.173, S.177, D.202, S.204, H.205, S.233, K.236, A.242 Chain B: F.264, S.265, S.266 15 PLIP interactions: 14 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:H.133 Hydrogen bonds: A:G.108, A:W.109, A:N.112, A:S.177, A:S.177, A:S.204, A:S.233, A:S.233, A:K.236, B:S.266 Water bridges: A:T.231, A:A.242 Salt bridges: A:K.236 pi-Stacking: A:H.133 PLP.4: 16 residues within 4Å: Chain A: F.264, S.265, S.266 Chain B: S.107, G.108, W.109, H.133, S.135, D.173, S.177, D.202, S.204, H.205, S.233, K.236, A.242 14 PLIP interactions: 13 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:H.133 Hydrogen bonds: B:G.108, B:W.109, B:N.112, B:S.177, B:S.177, B:S.204, B:S.233, B:S.233, B:K.236, A:S.266 Water bridges: B:A.242 Salt bridges: B:K.236 pi-Stacking: B:H.133

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

SO4.2: 3 residues within 4Å: Chain A: S.351, N.353, K.354 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:S.351, A:N.353, A:N.353 Water bridges: A:K.354 SO4.3: 3 residues within 4Å: Chain A: Q.291, H.292, R.295 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Q.291 Salt bridges: A:H.292, A:R.295 SO4.5: 3 residues within 4Å: Chain B: Q.291, H.292, R.295 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:Q.291, B:Q.291 Water bridges: B:H.292 Salt bridges: B:H.292, B:R.295

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Jahan, N. et al., Insights Into the Biosynthesis of the Vibrio Cholerae Major Autoinducer Cai-1 from the Crystal Structure of the Plp-Dependent Enzyme Cqsa. J.Mol.Biol. (2009)

Release Date

2009-07-21

Peptides

CAI-1 AUTOINDUCER SYNTHASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

CAI-1 AUTOINDUCER SYNTHASE

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