SMTL ID : 4l50.1

Crystal structures of the LsrR proteins complexed with phospho-AI-2 and its two different analogs reveal distinct mechanisms for ligand recognition

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

homo-dimer

Ligands

2 x D8X: (2S)-2,3,3-trihydroxy-6-methyl-4-oxoheptyl dihydrogen phosphate(Non-covalent)

D8X.1: 16 residues within 4Å: Chain A: F.73, G.74, E.75, A.76, L.125, G.158, I.159, G.160, T.169, I.170, Y.175, D.192, I.193, L.194, G.195, K.237 27 PLIP interactions: 27 interactions with chain A Hydrophobic interactions: A:F.73, A:F.73, A:L.125, A:L.125, A:I.170, A:Y.175 Hydrogen bonds: A:E.75, A:A.76, A:G.160, A:T.169, A:T.169, A:L.194, A:G.195 Water bridges: A:F.73, A:T.77, A:G.158, A:I.159, A:I.159, A:Q.164, A:Q.164, A:T.169, A:T.169, A:I.170, A:D.192, A:K.237, A:K.237 Salt bridges: A:K.237 D8X.2: 15 residues within 4Å: Chain B: F.73, G.74, E.75, A.76, L.125, G.158, I.159, G.160, T.169, I.170, D.192, I.193, L.194, G.195, K.237 26 PLIP interactions: 26 interactions with chain B Hydrophobic interactions: B:F.73, B:L.125, B:I.170, B:I.170 Hydrogen bonds: B:F.73, B:E.75, B:A.76, B:G.158, B:I.159, B:G.160, B:T.169, B:T.169, B:L.194, B:G.195 Water bridges: B:F.73, B:T.77, B:G.158, B:Q.164, B:I.170, B:D.192, B:D.192, B:K.237, B:K.237, B:K.237, B:K.237 Salt bridges: B:K.237

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ha, J.H. et al., Crystal Structures of the LsrR Proteins Complexed with Phospho-AI-2 and Two Signal-Interrupting Analogues Reveal Distinct Mechanisms for Ligand Recognition. J.Am.Chem.Soc. (2013)

Release Date

2013-11-06

Peptides

Transcriptional regulator LsrR: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Transcriptional regulator LsrR

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