SMTL ID : 7ssj.2 (1 other biounit)

Crystal structure of the DesK-DesR complex in the phosphatase state

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.52 Å

Oligo State

hetero-2-2-mer

Ligands

2 x ACP: PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER(Non-covalent)

ACP.1: 16 residues within 4Å: Chain A: E.143, N.147, V.148, K.150, H.151, S.152, D.174, T.177, F.178, K.179, G.180, G.188, H.189, G.190, L.191 Ligands: MG.2 10 PLIP interactions: 10 interactions with chain A Hydrogen bonds: A:N.147, A:K.150, A:K.150, A:H.151, A:D.174, A:K.179, A:G.190, A:L.191 Salt bridges: A:H.189 pi-Stacking: A:H.151 ACP.3: 16 residues within 4Å: Chain B: E.143, N.147, K.150, H.151, S.152, D.174, T.177, F.178, K.179, G.180, G.188, H.189, G.190, L.191, T.213 Ligands: MG.4 11 PLIP interactions: 11 interactions with chain B Hydrogen bonds: B:N.147, B:K.150, B:K.150, B:D.174, B:K.179, B:H.189, B:G.190, B:L.191, B:T.213 Salt bridges: B:H.189 pi-Cation interactions: B:H.151

4 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 3 residues within 4Å: Chain A: E.143, N.147 Ligands: ACP.1 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.143, H2O.1 MG.4: 3 residues within 4Å: Chain B: E.143, N.147 Ligands: ACP.3 2 PLIP interactions: 1 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:E.143, H2O.1 MG.5: 5 residues within 4Å: Chain C: E.12, D.13, D.58, E.60 Ligands: BEF.6 5 PLIP interactions: 3 interactions with chain C, 2 Ligand-Water interactions Metal complexes: C:D.13, C:D.58, C:E.60, H2O.1, H2O.1 MG.8: 4 residues within 4Å: Chain D: D.13, D.58, E.60 Ligands: BEF.9 5 PLIP interactions: 3 interactions with chain D, 2 Ligand-Water interactions Metal complexes: D:D.13, D:D.58, D:E.60, H2O.1, H2O.1

2 x BEF: BERYLLIUM TRIFLUORIDE ION(Covalent)

BEF.6: 9 residues within 4Å: Chain A: Q.47 Chain C: D.58, I.59, E.60, L.83, T.84, T.85, K.106 Ligands: MG.5 No protein-ligand interaction detected (PLIP) BEF.9: 8 residues within 4Å: Chain B: Q.47 Chain D: D.58, I.59, E.60, T.84, T.85, K.106 Ligands: MG.8 No protein-ligand interaction detected (PLIP)

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

SO4.7: 3 residues within 4Å: Chain C: K.74, G.99, R.125 3 PLIP interactions: 3 interactions with chain C Salt bridges: C:K.74, C:K.101, C:R.125

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lima, S. et al., An allosteric switch ensures efficient unidirectional information transmission by the histidine kinase DesK from Bacillus subtilis. Sci.Signal. (2023)

Release Date

2022-11-16

Peptides

Sensor histidine kinase DesK: AB
Transcriptional regulatory protein DesR: CD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

C
E

D
F

Sensor histidine kinase DesK

Transcriptional regulatory protein DesR

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