SMTL ID : 1d06.2 (1 other biounit)

STRUCTURAL BASIS OF DIMERIZATION AND SENSORY MECHANISMS OF OXYGEN-SENSING DOMAIN OF RHIZOBIUM MELILOTI FIXL DETERMINED AT 1.4A RESOLUTION

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.40 Å

Oligo State

homo-dimer

Ligands

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

HEM.1: 23 residues within 4Å: Chain A: V.30, L.61, L.64, M.65, Y.69, H.73, Y.76, L.77, Y.80, K.86, R.87, I.88, I.89, R.93, V.95, S.96, M.107, L.109, V.111, F.122, T.123, G.124, I.126 27 PLIP interactions: 27 interactions with chain A, Hydrophobic interactions: A:V.30, A:L.61, A:L.61, A:L.64, A:Y.69, A:Y.76, A:Y.76, A:Y.76, A:L.77, A:Y.80, A:Y.80, A:I.89, A:V.95, A:L.109, A:V.111, A:F.122, A:I.126 Hydrogen bonds: A:R.87, A:R.87, A:I.88, A:I.89 Water bridges: A:R.93, A:R.93 Salt bridges: A:R.87, A:R.93 pi-Stacking: A:Y.76 Metal complexes: A:H.73 HEM.2: 23 residues within 4Å: Chain B: V.30, L.61, L.64, M.65, Y.69, H.73, Y.76, L.77, Y.80, K.86, R.87, I.88, I.89, R.93, V.95, S.96, M.107, L.109, V.111, F.122, T.123, G.124, I.126 27 PLIP interactions: 27 interactions with chain B, Hydrophobic interactions: B:V.30, B:L.61, B:L.61, B:L.64, B:Y.69, B:Y.76, B:Y.76, B:Y.76, B:L.77, B:Y.80, B:Y.80, B:I.89, B:V.95, B:L.109, B:V.111, B:F.122, B:I.126 Hydrogen bonds: B:R.87, B:R.87, B:I.88, B:I.89 Water bridges: B:R.93, B:R.93 Salt bridges: B:R.87, B:R.93 pi-Stacking: B:Y.76 Metal complexes: B:H.73

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Miyatake, H. et al., Sensory mechanism of oxygen sensor FixL from Rhizobium meliloti: crystallographic, mutagenesis and resonance Raman spectroscopic studies. J.MOL.BIOL. (2000)

Release Date

2000-03-15

Peptides

nitrogen fixation regulatory protein fixL: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

nitrogen fixation regulatory protein fixL

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