2p04

X-ray diffraction
2.11Å resolution

2.1 Ang structure of the dimerized PAS domain of signal transduction histidine kinase from Nostoc punctiforme PCC 73102 with homology to the H-NOXA/H-NOBA domain of the soluble guanylyl cyclase

Released:

Function and Biology Details

Reaction catalysed:
GTP = 3',5'-cyclic GMP + diphosphate
Biochemical function:
Biological process:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-112147 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Haem NO binding associated domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 121 amino acids
Theoretical weight: 13.87 KDa
Source organism: Nostoc punctiforme PCC 73102
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: D0VWX5 (Residues: 1-121; Coverage: 100%)
Gene name: COG0642
Sequence domains: Heme NO binding associated
Structure domains: Haem NO binding associated domain

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: C2
Unit cell:
a: 95.21Å b: 44.362Å c: 59.74Å
α: 90° β: 104.51° γ: 90°
R-values:
R R work R free
0.202 0.199 0.262
Expression system: Escherichia coli BL21(DE3)