SMTL ID : 5lfk.1

Crystal structure of CpxAHDC (hemiphosphorylated form)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.09 Å

Oligo State

homo-tetramer

Ligands

12 x SO4: SULFATE ION(Non-functional Binders)

SO4.1: 1 residues within 4Å: Chain A: K.218 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:K.218 SO4.2: 2 residues within 4Å: Chain A: P.282, R.287 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:R.287 SO4.5: 3 residues within 4Å: Chain A: R.108 Chain B: S.112, K.113 2 PLIP interactions: 1 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:K.113 Salt bridges: A:R.108 SO4.6: 4 residues within 4Å: Chain A: R.117, E.121, R.124 Chain D: N.67 3 PLIP interactions: 2 interactions with chain A, 1 interactions with chain D Salt bridges: A:R.117, A:R.124 Hydrogen bonds: D:N.67 SO4.9: 5 residues within 4Å: Chain B: E.147, T.148 Chain D: E.147, T.148 Ligands: SO4.19 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain D Hydrogen bonds: B:T.148, B:T.148, D:T.148 SO4.10: 3 residues within 4Å: Chain C: S.112, K.113 Chain D: R.108 2 PLIP interactions: 1 interactions with chain D, 1 interactions with chain C Salt bridges: D:R.108 Hydrogen bonds: C:K.113 SO4.11: 1 residues within 4Å: Chain C: K.218 1 PLIP interactions: 1 interactions with chain C Salt bridges: C:K.218 SO4.12: 2 residues within 4Å: Chain C: P.282, R.287 1 PLIP interactions: 1 interactions with chain C Salt bridges: C:R.287 SO4.15: 3 residues within 4Å: Chain C: R.108 Chain D: S.112, K.113 2 PLIP interactions: 1 interactions with chain D, 1 interactions with chain C Hydrogen bonds: D:K.113 Salt bridges: C:R.108 SO4.16: 4 residues within 4Å: Chain B: N.67 Chain C: R.117, E.121, R.124 4 PLIP interactions: 3 interactions with chain C, 1 interactions with chain B Hydrogen bonds: C:T.120, B:N.67 Salt bridges: C:R.117, C:R.124 SO4.19: 5 residues within 4Å: Chain B: E.147, T.148 Chain D: E.147, T.148 Ligands: SO4.9 3 PLIP interactions: 2 interactions with chain D, 1 interactions with chain B Hydrogen bonds: D:T.148, D:T.148, B:T.148 SO4.20: 3 residues within 4Å: Chain A: S.112, K.113 Chain B: R.108 2 PLIP interactions: 1 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:K.113 Salt bridges: B:R.108

4 x ATP: ADENOSINE-5'-TRIPHOSPHATE(Non-covalent)

ATP.3: 20 residues within 4Å: Chain A: N.201, A.202, Y.205, D.227, P.230, G.231, V.232, I.240, Y.245, R.246, T.247, A.250, G.257, T.258, G.259, L.260, G.261, L.262, L.286 Ligands: MG.4 12 PLIP interactions: 12 interactions with chain A Hydrogen bonds: A:N.201, A:D.227, A:R.246, A:T.247, A:T.258, A:G.259, A:G.259, A:L.260, A:G.261, A:L.262 pi-Stacking: A:Y.205, A:Y.205 ATP.7: 23 residues within 4Å: Chain A: H.89, R.92 Chain B: N.201, A.202, R.204, Y.205, D.227, P.230, V.232, I.240, Y.245, R.246, T.247, A.250, R.253, G.257, T.258, G.259, L.260, G.261, L.262, L.286 Ligands: MG.8 17 PLIP interactions: 15 interactions with chain B, 2 interactions with chain A Hydrogen bonds: B:N.201, B:R.204, B:Y.205, B:D.227, B:R.246, B:T.247, B:R.253, B:T.258, B:T.258, B:L.260, B:G.261, B:L.262, B:A.263, A:R.92 Salt bridges: B:R.204, B:R.246, A:H.89 ATP.13: 20 residues within 4Å: Chain C: N.201, A.202, Y.205, D.227, P.230, G.231, V.232, I.240, Y.245, R.246, T.247, A.250, G.257, T.258, G.259, L.260, G.261, L.262, L.286 Ligands: MG.14 12 PLIP interactions: 12 interactions with chain C Hydrogen bonds: C:N.201, C:D.227, C:R.246, C:T.247, C:T.258, C:G.259, C:G.259, C:L.260, C:G.261, C:L.262 pi-Stacking: C:Y.205, C:Y.205 ATP.17: 23 residues within 4Å: Chain C: H.89, R.92 Chain D: N.201, A.202, R.204, Y.205, D.227, P.230, V.232, I.240, Y.245, R.246, T.247, A.250, R.253, G.257, T.258, G.259, L.260, G.261, L.262, L.286 Ligands: MG.18 17 PLIP interactions: 15 interactions with chain D, 2 interactions with chain C Hydrogen bonds: D:N.201, D:R.204, D:Y.205, D:Y.205, D:D.227, D:R.246, D:T.247, D:R.253, D:T.258, D:L.260, D:G.261, D:L.262, D:A.263, C:R.92 Salt bridges: D:R.204, D:R.246, C:H.89

4 x MG: MAGNESIUM ION(Non-covalent)

MG.4: 4 residues within 4Å: Chain A: N.197, N.201, G.261 Ligands: ATP.3 No protein-ligand interaction detected (PLIP) MG.8: 4 residues within 4Å: Chain B: N.197, N.201, G.261 Ligands: ATP.7 No protein-ligand interaction detected (PLIP) MG.14: 4 residues within 4Å: Chain C: N.197, N.201, G.261 Ligands: ATP.13 No protein-ligand interaction detected (PLIP) MG.18: 4 residues within 4Å: Chain D: N.197, N.201, G.261 Ligands: ATP.17 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Mechaly, A.E. et al., Structural Coupling between Autokinase and Phosphotransferase Reactions in a Bacterial Histidine Kinase. Structure (2017)

Release Date

2017-06-07

Peptides

Sensor histidine kinase CpxA: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
A

D
B

Sensor histidine kinase CpxA

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