› 3heb

X-ray diffraction
2.4Å resolution

Crystal Structure of Response regulator receiver domain from Rhodospirillum rubrum

Released:
DOI: 10.2210/pdb3heb/pdb
PDB entry 3heb coloured by chain, front view.
PDB entry 3heb coloured by chain, side view.
PDB entry 3heb coloured by chain, top view.
Source organism: Rhodospirillum rubrum ATCC 11170
Entry authors: Syed Ibrahim B, Burley SK, Swaminathan S, New York SGX Research Center for Structural Genomics (NYSGXRC)

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-173922 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Response regulatory domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 152 amino acids
Theoretical weight: 17.3 KDa
Source organism: Rhodospirillum rubrum ATCC 11170
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q2RWM6 (Residues: 7-147; Coverage: 95%)
Gene name: Rru_A0665
Sequence domains: Response regulator receiver domain
Structure domains: Rossmann fold

Ligands and Environments

1 bound ligand:
Ligand PO4 2 x PO4
1 modified residue:
Ligand MSE 8 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X29A
Spacegroup: P21
Unit cell:
a: 40.121Å b: 75.071Å c: 48.571Å
α: 90° β: 96.41° γ: 90°
R-values:
R R work R free
0.203 0.203 0.255
Expression system: Escherichia coli BL21(DE3)

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