SMTL ID : 5iuk.1 (1 other biounit)

Crystal structure of the DesK-DesR complex in the phosphotransfer state with high Mg2+ (150 mM)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.90 Å

Oligo State

hetero-2-1-mer

Ligands

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

ACP.1: 16 residues within 4Å: Chain A: E.137, N.141, V.142, K.144, H.145, S.146, D.168, T.171, F.172, K.173, G.174, H.183, G.184, L.185, T.207 Ligands: MG.2 9 PLIP interactions: 9 interactions with chain A Hydrogen bonds: A:N.141, A:K.144, A:K.144, A:D.168, A:K.173, A:H.183, A:G.184, A:L.185 pi-Cation interactions: A:H.145 ACP.3: 16 residues within 4Å: Chain B: E.137, N.141, V.142, K.144, H.145, S.146, D.168, T.171, F.172, K.173, G.174, H.183, G.184, L.185, T.207 Ligands: MG.4 9 PLIP interactions: 9 interactions with chain B Hydrogen bonds: B:E.137, B:N.141, B:K.144, B:D.168, B:K.173, B:H.183, B:G.184, B:L.185 pi-Cation interactions: B:H.145

3 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 3 residues within 4Å: Chain A: E.137, N.141 Ligands: ACP.1 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:E.137 MG.4: 3 residues within 4Å: Chain B: E.137, N.141 Ligands: ACP.3 2 PLIP interactions: 1 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:E.137, H2O.1 MG.5: 3 residues within 4Å: Chain C: D.13, D.58, E.60 4 PLIP interactions: 3 interactions with chain C, 1 Ligand-Water interactions Metal complexes: C:D.13, C:D.58, C:E.60, H2O.1

1 x K: POTASSIUM ION(Non-covalent)

K.6: 3 residues within 4Å: Chain C: N.26, E.28, M.31 2 PLIP interactions: 2 interactions with chain C Metal complexes: C:N.26, C:M.31

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Trajtenberg, F. et al., Regulation of signaling directionality revealed by 3D snapshots of a kinase:regulator complex in action. Elife (2016)

Release Date

2016-12-21

Peptides

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

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

Sensor histidine kinase DesK

Transcriptional regulatory protein DesR

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