SMTL ID : 4biw.1

Crystal structure of CpxAHDC (hexagonal form)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.85 Å

Oligo State

homo-dimer

Ligands

2 x ANP: PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER(Non-covalent)

ANP.1: 21 residues within 4Å: Chain A: N.201, A.202, R.204, 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.2 15 PLIP interactions: 15 interactions with chain A Hydrogen bonds: A:N.201, A:R.204, A:R.204, A:Y.205, A:D.227, A:Y.245, A:R.246, A:T.247, A:G.257, A:G.257, A:G.259, A:L.260, A:G.261, A:L.262 pi-Stacking: A:Y.205 ANP.5: 22 residues within 4Å: Chain A: H.89, R.92 Chain B: N.201, A.202, R.204, Y.205, D.227, P.230, G.231, V.232, I.240, Y.245, R.246, T.247, A.250, T.258, G.259, L.260, G.261, L.262, L.286 Ligands: MG.6 13 PLIP interactions: 3 interactions with chain A, 10 interactions with chain B Hydrogen bonds: A:H.89, A:R.92, A:R.92, B:R.204, B:D.227, B:T.247, B:T.258, B:T.258, B:L.260, B:G.261, B:L.262 pi-Stacking: B:Y.205, B:Y.205

2 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 4 residues within 4Å: Chain A: N.201, R.204, G.261 Ligands: ANP.1 No protein-ligand interaction detected (PLIP) MG.6: 4 residues within 4Å: Chain B: N.197, N.201, G.261 Ligands: ANP.5 No protein-ligand interaction detected (PLIP)

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

SO4.3: 1 residues within 4Å: Chain A: K.218 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:K.218 SO4.4: 2 residues within 4Å: Chain A: P.282, R.287 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:R.287

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Mechaly, A.E. et al., Segmental Helical Motions and Dynamical Asymmetry Modulate Histidine Kinase Autophosphorylation. Plos Biol. (2014)

Release Date

2014-02-12

Peptides

SENSOR PROTEIN CPXA: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

SENSOR PROTEIN CPXA

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