› 4xb4

X-ray diffraction
1.54Å resolution

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-159921 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Red carotenoid-binding protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 152 amino acids
Theoretical weight: 16.6 KDa
Source organism: Synechocystis sp. PCC 6803 substr. Kazusa
Expression system: Escherichia coli
UniProt:
  • Canonical: P74102 (Residues: 20-165; Coverage: 46%)
Gene name: slr1963
Sequence domains: Orange carotenoid protein, N-terminal
Structure domains: Orange carotenoid-binding protein, N-terminal domain

Ligands and Environments

1 bound ligand:
Ligand 45D 2 x 45D
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 5.0.2
Spacegroup: P21
Unit cell:
a: 51.251Å b: 64.112Å c: 53.634Å
α: 90° β: 114.89° γ: 90°
R-values:
R R work R free
0.148 0.147 0.16
Expression system: Escherichia coli

Quick links

Citations

12 review citations

Cyanobacterial photoprotection by the orange carotenoid protein.
Kirilovsky et al. (2016)
11 more

10 mentions without citation

Orange carotenoid protein burrows into the phycobilisome to provide photoprotection.
Harris et al. (2016)
9 more