SMTL ID : 5dwz.2 (1 other biounit)

Structural and functional characterization of PqsBC, a condensing enzyme in the biosynthesis of the Pseudomonas aeruginosa quinolone signal

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.04 Å

Oligo State

hetero-2-2-mer

Ligands

10 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.1: 6 residues within 4Å: Chain A: F.205, K.238, M.239, F.242, V.243 Chain C: R.170 3 PLIP interactions: 1 interactions with chain C, 2 interactions with chain A Salt bridges: C:R.170 Hydrogen bonds: A:M.239, A:V.243 PO4.2: 6 residues within 4Å: Chain A: A.131, F.175, H.271, P.273, V.301, I.303 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:I.303 Water bridges: A:T.333 Salt bridges: A:H.271 PO4.3: 5 residues within 4Å: Chain A: S.169, R.170, T.171 Chain C: G.235, K.238 4 PLIP interactions: 3 interactions with chain A, 1 interactions with chain C Hydrogen bonds: A:R.170, A:T.171 Salt bridges: A:R.170, C:K.238 PO4.4: 9 residues within 4Å: Chain A: F.242, V.243, P.244, T.245, N.246, V.247, L.277, W.281, F.337 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:F.242, A:N.246, A:N.246, A:V.247, A:W.281 PO4.10: 7 residues within 4Å: Chain B: M.1, K.157, A.158, E.257, T.274, L.275, E.276 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:M.1, B:T.274, B:T.274, B:T.274, B:E.276 PO4.11: 4 residues within 4Å: Chain A: P.244 Chain C: L.33, S.34, W.37 4 PLIP interactions: 3 interactions with chain C, 1 interactions with chain A Hydrogen bonds: C:S.34, C:S.34 Water bridges: C:S.36, A:F.276 PO4.12: 6 residues within 4Å: Chain A: R.170 Chain C: F.205, K.238, M.239, F.242, V.243 3 PLIP interactions: 1 interactions with chain A, 2 interactions with chain C Salt bridges: A:R.170 Hydrogen bonds: C:M.239, C:V.243 PO4.13: 5 residues within 4Å: Chain C: A.131, F.175, H.271, V.301, I.303 3 PLIP interactions: 3 interactions with chain C Hydrogen bonds: C:I.303 Water bridges: C:T.333 Salt bridges: C:H.271 PO4.14: 8 residues within 4Å: Chain C: L.164, L.165, D.166, S.169, T.171, S.172, L.227, F.229 3 PLIP interactions: 3 interactions with chain C Hydrogen bonds: C:D.166, C:S.169, C:T.171 PO4.15: 4 residues within 4Å: Chain A: K.238 Chain C: S.169, R.170, T.171 4 PLIP interactions: 3 interactions with chain C, 1 interactions with chain A Hydrogen bonds: C:R.170, C:T.171 Salt bridges: C:R.170, A:K.238

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.5: 7 residues within 4Å: Chain A: D.202, A.203, T.204 Chain B: Q.85, G.89, A.90, N.91 5 PLIP interactions: 3 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:A.203, A:T.204, A:T.204, B:Q.85, B:G.89

2 x MPO: 3[N-MORPHOLINO]PROPANE SULFONIC ACID(Non-covalent)

MPO.6: 7 residues within 4Å: Chain A: L.33, S.34, W.37 Chain C: V.243, P.244, F.276, A.280 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:S.34 MPO.16: 11 residues within 4Å: Chain C: F.205, M.239, F.242, V.243, P.244, T.245, N.246, V.247, W.281, W.335, F.337 4 PLIP interactions: 4 interactions with chain C Hydrogen bonds: C:P.244, C:N.246, C:V.247 pi-Cation interactions: C:W.335

3 x PEG: DI(HYDROXYETHYL)ETHER(Non-functional Binders)

PEG.7: 4 residues within 4Å: Chain A: F.40, F.276 Chain C: S.36, F.40 No protein-ligand interaction detected (PLIP) PEG.8: 5 residues within 4Å: Chain A: R.18, Y.20, V.26, Y.48, F.167 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:Y.20 PEG.17: 8 residues within 4Å: Chain C: N.22, D.23, F.27, V.30, P.31, D.32, L.33, W.38 3 PLIP interactions: 3 interactions with chain C Hydrogen bonds: C:P.31 Water bridges: C:E.35, C:E.35

1 x CL: CHLORIDE ION(Non-functional Binders)

CL.9: 3 residues within 4Å: Chain A: N.111, K.115 Chain B: R.162 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Drees, S.L. et al., PqsBC, a Condensing Enzyme in the Biosynthesis of the Pseudomonas aeruginosa Quinolone Signal: CRYSTAL STRUCTURE, INHIBITION, AND REACTION MECHANISM. J.Biol.Chem. (2016)

Release Date

2016-02-03

Peptides

3-oxoacyl-[acyl-carrier-protein] synthase 3: AC
3-oxoacyl-(Acyl carrier protein) synthase III: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
D

C
H

B
A

D
G

3-oxoacyl-[acyl-carrier-protein] synthase 3

3-oxoacyl-(Acyl carrier protein) synthase III

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