6rh1

X-ray diffraction
2Å resolution

Revisiting pH-gated conformational switch. Complex HK853-RR468 D53A pH 7

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-194547 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
histidine kinase Chains: A, B
Molecule details ›
Chains: A, B
Length: 258 amino acids
Theoretical weight: 29.38 KDa
Source organism: Thermotoga maritima
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9WZV7 (Residues: 232-489; Coverage: 53%)
Gene name: TM_0853
Sequence domains:
Response regulatory domain-containing protein Chains: C, D
Molecule details ›
Chains: C, D
Length: 122 amino acids
Theoretical weight: 13.8 KDa
Source organism: Thermotoga maritima
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9WYT9 (Residues: 1-122; Coverage: 100%)
Gene name: TM_0468
Sequence domains: Response regulator receiver domain

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALBA BEAMLINE XALOC
Unit cell:
a: 68.367Å b: 91.146Å c: 176.145Å
α: 90° β: 93.6° γ: 90°
R-values:
R R work R free
0.214 0.212 0.255
Expression system: Escherichia coli