SMTL ID : 6oaq.1

Crystal structure of a dual sensor histidine kinase in BeF3- bound state

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.54 Å

Oligo State

homo-dimer

Ligands

1 x BEF: BERYLLIUM TRIFLUORIDE ION(Non-covalent)

BEF.1: 8 residues within 4Å: Chain A: D.59, Y.60, R.61, T.89, G.90, Q.91, K.111 Ligands: MG.3 No protein-ligand interaction detected (PLIP)

2 x CYC: PHYCOCYANOBILIN(Non-covalent)

CYC.2: 12 residues within 4Å: Chain A: V.192, V.204, Q.208, D.211, Y.213, Q.228, T.239, C.241, H.242, L.245, N.254, V.256 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:V.192, A:V.204, A:D.211, A:L.245 Hydrogen bonds: A:D.211, A:D.211, A:D.211, A:Q.228, A:N.254 Salt bridges: A:H.242 pi-Stacking: A:H.242 CYC.4: 15 residues within 4Å: Chain B: V.204, Q.208, V.209, D.211, Y.213, F.214, Y.222, R.226, Q.228, C.241, H.242, L.245, L.246, N.254, V.256 20 PLIP interactions: 20 interactions with chain B Hydrophobic interactions: B:V.204, B:D.211, B:Y.213, B:Y.213, B:Y.213, B:Y.213, B:Y.213, B:F.214, B:L.245, B:L.246 Hydrogen bonds: B:V.209, B:V.209, B:D.211, B:D.211, B:Y.222, B:H.242, B:N.254 Salt bridges: B:R.226, B:H.242 pi-Stacking: B:H.242

4 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 5 residues within 4Å: Chain A: D.12, D.13, D.59, R.61 Ligands: BEF.1 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:D.13, A:D.59, A:R.61, H2O.1, H2O.1 MG.5: 4 residues within 4Å: Chain B: D.12, D.13, D.59, R.61 5 PLIP interactions: 3 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:D.13, B:D.59, B:R.61, H2O.2, H2O.2 MG.6: 2 residues within 4Å: Chain A: D.107 Chain B: D.107 No protein-ligand interaction detected (PLIP) MG.7: 1 residues within 4Å: Chain B: T.129 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Shin, H. et al., Structural basis of molecular logic OR in a dual-sensor histidine kinase. Proc.Natl.Acad.Sci.USA (2019)

Release Date

2019-09-18

Peptides

Dual sensor histidine kinase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Dual sensor histidine kinase

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