SMTL ID : 2fmy.2 (1 other biounit)

CO-dependent transcription factor CooA from Carboxydothermus hydrogenoformans (Imidazole-bound form)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

homo-dimer

Ligands

2 x HEM: PROTOPORPHYRIN IX CONTAINING FE(Non-covalent)

HEM.1: 20 residues within 4Å: Chain A: V.48, I.77, F.78, C.79, H.81, T.82, R.83, I.99, F.102, Q.103, V.106, M.116, L.120 Chain B: Q.3, M.4, L.6, L.124, K.125, L.128 Ligands: IMD.2 17 PLIP interactions: 5 interactions with chain B, 12 interactions with chain A, Hydrophobic interactions: B:Q.3, B:L.6, B:L.124, A:V.48, A:I.77, A:F.78, A:T.82, A:I.99, A:I.99, A:F.102, A:V.106 Salt bridges: B:K.125, B:K.193, A:R.83 Hydrogen bonds: A:R.83 Water bridges: A:N.42 Metal complexes: A:H.81 HEM.3: 20 residues within 4Å: Chain A: Q.3, M.4, L.6, L.124, K.125, L.128, K.193 Chain B: V.48, I.77, F.78, C.79, H.81, T.82, R.83, I.99, F.102, Q.103, V.106, M.116 Ligands: IMD.4 16 PLIP interactions: 11 interactions with chain B, 5 interactions with chain A, Hydrophobic interactions: B:V.48, B:I.77, B:F.78, B:T.82, B:I.99, B:I.99, B:F.102, B:V.106, A:L.6, A:L.124, A:K.125 Hydrogen bonds: B:R.83 Salt bridges: B:R.83, A:K.125, A:K.193 Metal complexes: B:H.81

2 x IMD: IMIDAZOLE(Non-covalent)

IMD.2: 5 residues within 4Å: Chain A: H.81 Chain B: M.4, V.117, G.121 Ligands: HEM.1 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:M.4 IMD.4: 4 residues within 4Å: Chain A: M.4, V.117 Chain B: H.81 Ligands: HEM.3 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:M.4

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Komori, H. et al., Crystal Structure of CO-sensing Transcription Activator CooA Bound to Exogenous Ligand Imidazole. J.Mol.Biol. (2007)

Release Date

2007-01-16

Peptides

carbon monoxide oxidation system transcription regulator CooA-1: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

carbon monoxide oxidation system transcription regulator CooA-1

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