5ook

X-ray diffraction
2.1Å resolution

Structure of A. marina Phycocyanin contains overlapping isoforms

Released:
Model geometry
Fit model/data
Source organism: Acaryochloris marina
Primary publication:
Structural heterogeneity leads to functional homogeneity in A. marina phycocyanin.
Biochim Biophys Acta Bioenerg 1859 544-553 (2018)
PMID: 29704497

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
PDBe Complex ID:
PDB-CPX-108821 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Phycocyanin, alpha subunit Chain: A
Molecule details ›
Chain: A
Length: 162 amino acids
Theoretical weight: 17.39 KDa
Source organism: Acaryochloris marina
UniProt:
  • Canonical: A8ZMJ4 (Residues: 1-162; Coverage: 100%)
Gene names: AM1_C0096, AM1_C0213, cpcA
Sequence domains: Phycobilisome protein
Phycocyanin, beta subunit Chain: B
Molecule details ›
Chain: B
Length: 172 amino acids
Theoretical weight: 18.04 KDa
Source organism: Acaryochloris marina
UniProt:
  • Canonical: A8ZMJ5 (Residues: 1-172; Coverage: 100%)
Gene names: AM1_C0098, AM1_C0212, cpcB
Sequence domains: Phycobilisome protein

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID29
Spacegroup: P63
Unit cell:
a: 152.806Å b: 152.806Å c: 39.312Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.194 0.193 0.215