SMTL ID : 5jeq.1

Fragment of nitrate/nitrite sensor histidine kinase NarQ (R50K) in symmetric apo state

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

homo-dimer

Ligands

12 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.1: 3 residues within 4Å: Chain A: H.174, Q.175 Ligands: PO4.2 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Q.175 Water bridges: A:R.171 PO4.2: 5 residues within 4Å: Chain A: R.170, R.171, H.174, Q.175 Ligands: PO4.1 9 PLIP interactions: 9 interactions with chain A Hydrogen bonds: A:Q.175 Water bridges: A:R.170, A:R.170, A:R.170, A:R.171, A:R.171 Salt bridges: A:R.170, A:R.171, A:H.174 PO4.3: 6 residues within 4Å: Chain A: S.35, R.38, D.39, Y.90, Y.142, K.146 2 PLIP interactions: 2 interactions with chain A Salt bridges: A:R.38, A:K.146 PO4.4: 2 residues within 4Å: Chain A: H.141, E.144 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:H.141 PO4.5: 2 residues within 4Å: Chain A: R.71, S.114 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:R.71 PO4.6: 6 residues within 4Å: Chain A: K.50, V.129, D.133 Chain B: S.48, M.51, Q.52 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:D.133, A:D.133 Water bridges: A:D.133 Salt bridges: A:K.50 PO4.7: 3 residues within 4Å: Chain B: H.174, Q.175 Ligands: PO4.8 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:Q.175 Water bridges: B:R.171 PO4.8: 5 residues within 4Å: Chain B: R.170, R.171, H.174, Q.175 Ligands: PO4.7 9 PLIP interactions: 9 interactions with chain B Hydrogen bonds: B:Q.175 Water bridges: B:R.170, B:R.170, B:R.170, B:R.171, B:R.171 Salt bridges: B:R.170, B:R.171, B:H.174 PO4.9: 6 residues within 4Å: Chain B: S.35, R.38, D.39, Y.90, Y.142, K.146 2 PLIP interactions: 2 interactions with chain B Salt bridges: B:R.38, B:K.146 PO4.10: 2 residues within 4Å: Chain B: H.141, E.144 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:H.141 PO4.11: 2 residues within 4Å: Chain B: R.71, S.114 1 PLIP interactions: 1 interactions with chain B Salt bridges: B:R.71 PO4.12: 6 residues within 4Å: Chain A: S.48, M.51, Q.52 Chain B: K.50, V.129, D.133 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:D.133, B:D.133 Water bridges: B:D.133 Salt bridges: B:K.50

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Gushchin, I. et al., Mechanism of transmembrane signaling by sensor histidine kinases. Science (2017)

Release Date

2017-05-31

Peptides

Nitrate/nitrite sensor protein NarQ: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Membrane

We predict this structure to be a membrane protein.
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Nitrate/nitrite sensor protein NarQ