5aqd

X-ray diffraction
2.12Å resolution

Crystal structure of Phormidium Phycoerythrin at pH 8.5

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dodecamer (preferred)
PDBe Complex ID:
PDB-CPX-101218 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Phycoerythrin Alpha subunit Chains: A, B, C, D, E, F, G, H, I, J, K, L
Molecule details ›
Chains: A, B, C, D, E, F, G, H, I, J, K, L
Length: 164 amino acids
Theoretical weight: 17.66 KDa
Source organism: Phormidium rubidum A09DM
UniProt:
  • Canonical: A0A0E3W010 (Residues: 1-160; Coverage: 100%)
Gene name: cpeA
Sequence domains: Phycobilisome protein
Structure domains: Phycocyanins
Phycoerythrin Beta subunit Chains: M, N, O, P, Q, R, S, T, U, V, W, X
Molecule details ›
Chains: M, N, O, P, Q, R, S, T, U, V, W, X
Length: 184 amino acids
Theoretical weight: 19.37 KDa
Source organism: Phormidium rubidum A09DM
UniProt:
  • Canonical: A0A0E4G455 (Residues: 1-177; Coverage: 100%)
Gene name: cpeB
Sequence domains: Phycobilisome protein
Structure domains: Phycocyanins

Ligands and Environments

3 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: RRCAT INDUS-2 BEAMLINE PX-BL21
Spacegroup: P1
Unit cell:
a: 108.298Å b: 108.36Å c: 116.592Å
α: 78.94° β: 82.5° γ: 60.34°
R-values:
R R work R free
0.178 0.175 0.239