› 1on7

X-ray diffraction
2.7Å resolution

Unmethylated form of C-phycocyanin from Themosynechococcus vulcanus at 2.7A

Released:
DOI: 10.2210/pdb1on7/pdb
Model geometry
Fit model/data
PDB entry 1on7 coloured by chain, front view.
PDB entry 1on7 coloured by chain, side view.
PDB entry 1on7 coloured by chain, top view.
Source organism: Thermostichus vulcanus
Primary publication:
The crystal structure of a novel unmethylated form of C-phycocyanin, a possible connector between cores and rods in pycobilisomes.
Adir N, Lerner N
J Biol Chem 278 25926-32 (2003)
PMID: 12709431

Function and Biology Details

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

Structure analysis Details

Assemblies composition:
hetero dimer (preferred)
hetero hexamer
Assembly name:
PDBe Complex ID:
PDB-CPX-180755 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
C-phycocyanin alpha subunit Chain: A
Molecule details ›
Chain: A
Length: 162 amino acids
Theoretical weight: 17.47 KDa
Source organism: Thermostichus vulcanus
UniProt:
  • Canonical: Q9AM02 (Residues: 1-162; Coverage: 100%)
Sequence domains: Phycobilisome protein
Structure domains: Phycocyanins
C-phycocyanin beta subunit Chain: B
Molecule details ›
Chain: B
Length: 172 amino acids
Theoretical weight: 18.2 KDa
Source organism: Thermostichus vulcanus
UniProt:
  • Canonical: Q71RW8 (Residues: 1-172; Coverage: 100%)
Sequence domains: Phycobilisome protein
Structure domains: Phycocyanins

Ligands and Environments

1 bound ligand:
Ligand CYC 3 x CYC
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: EMBL/DESY, HAMBURG BEAMLINE X11
Spacegroup: P63
Unit cell:
a: 153.29Å b: 153.29Å c: 39.048Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.209 0.209 0.278

Quick links

Citations

4 review citations

Elucidation of the molecular structures of components of the phycobilisome: reconstructing a giant.
Adir N. (2005)
3 more

3 mentions without citation

Phycobiliproteins: Structural aspects, functional characteristics, and biotechnological perspectives.
Dagnino-Leone et al. (2022)
2 more