› 7sca

Electron Microscopy
2.1Å resolution

Synechocystis PCC 6803 Phycobilisome rod from OCP-PBS complex sample

Released:
DOI: 10.2210/pdb7sca/pdb
PDB entry 7sca coloured by chain, front view.
PDB entry 7sca coloured by chain, side view.
PDB entry 7sca coloured by chain, top view.
Source organism: Synechocystis sp. PCC 6803 substr. Kazusa
Primary publication:
Structures of a phycobilisome in light-harvesting and photoprotected states.
Domínguez-Martín MA, Sauer PV, Kirst H, Sutter M, Bína D, Greber BJ, Nogales E, Polívka T, Kerfeld CA
Nature (2022)
PMID: 36045294
Related structures: EMD-25031

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero 40-mer (preferred)
PDBe Complex ID:
PDB-CPX-159879 (preferred)
Entry contents:
6 distinct polypeptide molecules
Macromolecules (6 distinct):
C-phycocyanin alpha subunit Chains: AA, AC, AE, AG, AI, AK, AM, AO, AQ, AS, AU, AW, AY, BA, BC, BE, BG, BI
Molecule details ›
Chains: AA, AC, AE, AG, AI, AK, AM, AO, AQ, AS, AU, AW, AY, BA, BC, BE, BG, BI
Length: 162 amino acids
Theoretical weight: 17.6 KDa
Source organism: Synechocystis sp. PCC 6803 substr. Kazusa
UniProt:
  • Canonical: Q54715 (Residues: 1-162; Coverage: 100%)
Gene names: cpcA, sll1578
Sequence domains: Phycobilisome protein
C-phycocyanin beta subunit Chains: AB, AD, AF, AH, AJ, AL, AN, AP, AR, AT, AV, AX, AZ, BB, BD, BF, BH, BJ
Molecule details ›
Chains: AB, AD, AF, AH, AJ, AL, AN, AP, AR, AT, AV, AX, AZ, BB, BD, BF, BH, BJ
Length: 172 amino acids
Theoretical weight: 18.14 KDa
Source organism: Synechocystis sp. PCC 6803 substr. Kazusa
UniProt:
  • Canonical: Q54714 (Residues: 1-172; Coverage: 100%)
Gene names: cpcB, sll1577
Sequence domains: Phycobilisome protein
Phycobilisome rod-core linker polypeptide CpcG Chain: BK
Molecule details ›
Chain: BK
Length: 249 amino acids
Theoretical weight: 28.94 KDa
Source organism: Synechocystis sp. PCC 6803 substr. Kazusa
UniProt:
  • Canonical: P73093 (Residues: 1-249; Coverage: 100%)
Gene names: cpcG, cpcG1, slr2051
Sequence domains: Phycobilisome Linker polypeptide
Phycobilisome 32.1 kDa linker polypeptide, phycocyanin-associated, rod 1 Chain: BL
Molecule details ›
Chain: BL
Length: 291 amino acids
Theoretical weight: 32.56 KDa
Source organism: Synechocystis sp. PCC 6803 substr. Kazusa
UniProt:
  • Canonical: P73203 (Residues: 1-291; Coverage: 100%)
Gene names: cpcC1, sll1580
Sequence domains:
Phycobilisome 32.1 kDa linker polypeptide, phycocyanin-associated, rod 2 Chain: BM
Molecule details ›
Chain: BM
Length: 273 amino acids
Theoretical weight: 30.84 KDa
Source organism: Synechocystis sp. PCC 6803 substr. Kazusa
UniProt:
  • Canonical: P73204 (Residues: 1-273; Coverage: 100%)
Gene names: cpcC2, sll1579
Sequence domains:
Phycobilisome 8.9 kDa linker polypeptide, phycocyanin-associated, rod Chain: BN
Molecule details ›
Chain: BN
Length: 83 amino acids
Theoretical weight: 9.33 KDa
Source organism: Synechocystis sp. PCC 6803 substr. Kazusa
UniProt:
  • Canonical: P73202 (Residues: 1-83; Coverage: 100%)
Gene names: cpcD, ssl3093
Sequence domains: CpcD/allophycocyanin linker domain

Ligands and Environments

1 bound ligand:
Ligand CYC 54 x CYC
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 2.1Å
Relevant EMDB volumes: EMD-25031

Quick links

Citations

5 review citations

The increasing role of structural proteomics in cyanobacteria.
Sound et al. (2023)
4 more

1 mention without citation

Antenna Modification in a Fast-Growing Cyanobacterium Synechococcus elongatus UTEX 2973 Leads to Improved Efficiency and Carbon-Neutral Productivity.
Sengupta et al. (2023)