1h2s

X-ray diffraction
1.93Å resolution

Molecular basis of transmenbrane signalling by sensory rhodopsin II-transducer complex

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-154503 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Sensory rhodopsin-2 Chain: A
Molecule details ›
Chain: A
Length: 225 amino acids
Theoretical weight: 24.09 KDa
Source organism: Natronomonas pharaonis
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P42196 (Residues: 1-225; Coverage: 94%)
Gene names: sop2, sopII
Sequence domains: Bacteriorhodopsin-like protein
Structure domains: Rhodopsin 7-helix transmembrane proteins
Sensory rhodopsin II transducer Chain: B
Molecule details ›
Chain: B
Length: 60 amino acids
Theoretical weight: 5.71 KDa
Source organism: Natronomonas pharaonis
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P42259 (Residues: 23-82; Coverage: 11%)
Gene names: htr2, htrII
Sequence domains: Htr2 transmembrane domain
Structure domains: Helix hairpin bin

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-1
Spacegroup: P21212
Unit cell:
a: 124.3Å b: 46.96Å c: 53.84Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.226 0.226 0.258
Expression system: Escherichia coli BL21(DE3)