SMTL ID : 2yfa.1

X-ray structure of McpS ligand binding domain in complex with malate

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

homo-dimer

Ligands

2 x LMR: (2S)-2-hydroxybutanedioic acid(Non-covalent)

LMR.1: 7 residues within 4Å: Chain A: R.35, R.38, L.39, R.229, T.233 Chain B: I.36, Q.40 10 PLIP interactions: 1 interactions with chain B, 9 interactions with chain A Hydrogen bonds: B:Q.40, A:R.38, A:R.38, A:T.233 Hydrophobic interactions: A:L.39 Water bridges: A:R.35, A:R.38 Salt bridges: A:R.35, A:R.38, A:R.229 LMR.5: 7 residues within 4Å: Chain A: I.36, Q.40 Chain B: R.35, R.38, L.39, R.229, T.233 14 PLIP interactions: 12 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:L.39, A:I.36 Hydrogen bonds: B:R.38, B:R.38, B:T.233, A:Q.40 Water bridges: B:R.35, B:R.38, B:T.233, B:T.233, B:G.236 Salt bridges: B:R.35, B:R.38, B:R.229

2 x ACT: ACETATE ION(Non-functional Binders)

ACT.2: 7 residues within 4Å: Chain A: M.112, D.113, R.158, V.161, R.162, I.165, Y.211 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:V.161, A:R.162, A:I.165 Hydrogen bonds: A:D.113, A:Y.211, A:Y.211 Salt bridges: A:R.158, A:R.162 ACT.6: 7 residues within 4Å: Chain B: M.112, D.113, R.158, V.161, R.162, I.165, Y.211 6 PLIP interactions: 6 interactions with chain B Hydrophobic interactions: B:V.161, B:R.162, B:I.165 Hydrogen bonds: B:Y.211 Salt bridges: B:R.158, B:R.162

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

SO4.3: 7 residues within 4Å: Chain A: H.20, F.72, K.73, S.74, N.77, Q.250, R.253 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:K.73, A:S.74, A:N.77, A:Q.250 Salt bridges: A:H.20, A:R.253 SO4.4: 7 residues within 4Å: Chain B: H.20, F.72, K.73, S.74, N.77, Q.250, R.253 7 PLIP interactions: 7 interactions with chain B Hydrogen bonds: B:K.73, B:S.74, B:S.74, B:N.77, B:Q.250 Salt bridges: B:H.20, B:R.253 SO4.7: 2 residues within 4Å: Chain B: R.99, Q.100 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:Q.100 Water bridges: B:N.96, B:R.99, B:R.99, B:R.99 Salt bridges: B:R.99

2 x NA: SODIUM ION(Non-functional Binders)

NA.8: 2 residues within 4Å: Chain B: R.118, N.206 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:R.118, B:N.206 Water bridges: B:R.118 NA.9: 1 residues within 4Å: Chain B: R.118 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:R.118, B:R.118

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Pineda-Molina, E. et al., Evidence for Chemoreceptors with Bimodular Ligand-Binding Regions Harboring Two Signal-Binding Sites. Proc.Natl.Acad.Sci.USA (2012)

Release Date

2012-04-18

Peptides

METHYL-ACCEPTING CHEMOTAXIS TRANSDUCER: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

METHYL-ACCEPTING CHEMOTAXIS TRANSDUCER

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