SMTL ID : 4aci.1

Structure of the C. glutamicum AcnR Crystal Form II

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.65 Å

Oligo State

homo-dimer

Ligands

2 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 3 residues within 4Å: Chain A: E.184, R.188 Ligands: CIT.3 3 PLIP interactions: 1 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:E.184, H2O.4, H2O.4 MG.5: 3 residues within 4Å: Chain B: E.184, R.188 Ligands: CIT.6 3 PLIP interactions: 1 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:E.184, H2O.11, H2O.11

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.2: 1 residues within 4Å: Chain A: H.53 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:H.53 GOL.7: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP)

2 x CIT: CITRIC ACID(Non-functional Binders)

CIT.3: 12 residues within 4Å: Chain A: N.80, G.81, L.82, V.83, R.133, N.137, M.143, L.156, E.184, V.187, R.188 Ligands: MG.1 13 PLIP interactions: 13 interactions with chain A Hydrophobic interactions: A:L.156, A:V.187 Hydrogen bonds: A:L.82, A:V.83, A:N.137 Water bridges: A:E.84, A:E.84, A:R.133, A:R.133, A:R.188, A:R.188 Salt bridges: A:R.133, A:R.188 CIT.6: 11 residues within 4Å: Chain B: N.80, G.81, L.82, V.83, R.133, N.137, L.156, E.184, V.187, R.188 Ligands: MG.5 12 PLIP interactions: 12 interactions with chain B Hydrophobic interactions: B:L.156, B:V.187 Hydrogen bonds: B:L.82, B:V.83, B:N.137 Water bridges: B:E.84, B:E.84, B:R.133, B:R.133, B:R.188 Salt bridges: B:R.133, B:R.188

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

NA.4: 4 residues within 4Å: Chain B: S.78, A.129, V.132, R.133 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:R.133

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Garcia-Nafria, J. et al., Crystal and Solution Studies Reveal that the Transcriptional Regulator Acnr of Corynebacterium Glutamicum is Regulated by Citrate:Mg2+ Binding to a Non-Canonical Pocket. J.Biol.Chem. (2013)

Release Date

2012-12-26

Peptides

HTH-TYPE TRANSCRIPTIONAL REPRESSOR ACNR: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

HTH-TYPE TRANSCRIPTIONAL REPRESSOR ACNR

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