SMTL ID : 3kki.1

PLP-Dependent Acyl-CoA transferase CqsA

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

homo-dimer

Ligands

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

PLP.1: 19 residues within 4Å: Chain A: S.127, G.128, W.129, H.153, S.155, D.193, S.197, D.222, S.224, H.225, S.253, A.255, K.256, A.262 Chain B: F.284, S.285, S.286 Ligands: MG.2, SO4.3 12 PLIP interactions: 1 interactions with chain B, 11 interactions with chain A Hydrogen bonds: B:S.286, A:G.128, A:W.129, A:S.224, A:H.225, A:S.253, A:S.253, A:K.256 Hydrophobic interactions: A:H.153 Water bridges: A:N.67 Salt bridges: A:K.256 pi-Stacking: A:H.153 PLP.6: 20 residues within 4Å: Chain A: F.284, S.285, S.286 Chain B: S.127, G.128, W.129, N.132, H.153, S.155, D.193, S.197, D.222, S.224, H.225, S.253, A.255, K.256, A.262 Ligands: SO4.5, MG.7 13 PLIP interactions: 11 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:H.153 Hydrogen bonds: B:G.128, B:W.129, B:N.132, B:S.224, B:H.225, B:S.253, B:S.253, B:K.256, A:S.285, A:S.286 Salt bridges: B:K.256 pi-Stacking: B:H.153

2 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 4 residues within 4Å: Chain A: S.197, H.225, R.378 Ligands: PLP.1 No protein-ligand interaction detected (PLIP) MG.7: 5 residues within 4Å: Chain B: S.197, H.225, K.256, R.378 Ligands: PLP.6 No protein-ligand interaction detected (PLIP)

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

SO4.3: 10 residues within 4Å: Chain A: S.127, G.128, W.129, S.253, K.256, A.262 Chain B: F.284, S.285, S.286 Ligands: PLP.1 7 PLIP interactions: 2 interactions with chain B, 5 interactions with chain A Hydrogen bonds: B:F.284, B:S.286, A:G.128, A:W.129, A:S.253, A:S.253 Salt bridges: A:K.256 SO4.5: 10 residues within 4Å: Chain A: F.284, S.285, S.286 Chain B: S.127, G.128, W.129, S.253, K.256, A.262 Ligands: PLP.6 6 PLIP interactions: 2 interactions with chain A, 4 interactions with chain B Hydrogen bonds: A:F.284, A:S.286, B:G.128, B:W.129, B:S.253 Salt bridges: B:K.256

2 x DTT: 2,3-DIHYDROXY-1,4-DITHIOBUTANE(Non-covalent)

DTT.4: 12 residues within 4Å: Chain A: H.50, V.52, V.364, F.365, C.366, R.367, P.368, A.369 Chain B: S.96, F.99, F.277, I.283 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:V.364, A:C.366, A:A.369 DTT.8: 12 residues within 4Å: Chain A: S.98, F.99, F.277, I.283 Chain B: H.50, V.52, V.364, F.365, C.366, R.367, P.368, A.369 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:V.364, B:C.366, B:A.369

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kelly, R.C. et al., The Vibrio cholerae quorum-sensing autoinducer CAI-1: analysis of the biosynthetic enzyme CqsA. Nat.Chem.Biol. (2009)

Release Date

2009-11-24

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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