› 3mwn

X-ray diffraction
2.6Å resolution

Structure of the Novel 14 kDa Fragment of alpha-Subunit of Phycoerythrin from the Starving Cyanobacterium Phormidium Tenue

Released:
DOI: 10.2210/pdb3mwn/pdb
PDB entry 3mwn coloured by chain, front view.
PDB entry 3mwn coloured by chain, side view.
PDB entry 3mwn coloured by chain, top view.
Source organism: Phormidium tenue
Primary publication:
Structure of the novel 14kDa fragment of alpha-subunit of phycoerythrin from the starving cyanobacterium Phormidium tenue.
Soni BR, Hasan MI, Parmar A, Ethayathulla AS, Kumar RP, Singh NK, Sinha M, Kaur P, Yadav S, Sharma S, Madamwar D, Singh TP
J Struct Biol 171 247-55 (2010)
PMID: 20546902

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-107387 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
C-phycoerythrin Chains: A, B
Molecule details ›
Chains: A, B
Length: 133 amino acids
Theoretical weight: 14.65 KDa
Source organism: Phormidium tenue
UniProt:
  • Canonical: A4L2N4 (Residues: 1-133; Coverage: 100%)
Sequence domains: Phycobilisome protein
Structure domains: Phycocyanins

Ligands and Environments

1 bound ligand:
Ligand CYC 4 x CYC
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU300
Spacegroup: P21
Unit cell:
a: 57.357Å b: 83.789Å c: 62.484Å
α: 90° β: 90.17° γ: 90°
R-values:
R R work R free
0.258 0.238 0.286

Quick links

Citations

1 review citation

Exploring the structural aspects and therapeutic perspectives of cyanobacterial phycobiliproteins.
Patel et al. (2022)
7 other articles

1 mention without citation

Phormidium phycoerythrin forms hexamers in crystals: a crystallographic study.
Sonani et al. (2015)