8hfq

Electron Microscopy
2.64Å resolution

Cryo-EM structure of CpcL-PBS from cyanobacterium Synechocystis sp. PCC 6803

Released:

Function and Biology Details

Reaction catalysed:
2 reduced ferredoxin + NADP(+) + H(+) = 2 oxidized ferredoxin + NADPH
Biochemical function:
Biological process:

Structure analysis Details

Assembly composition:
hetero 40-mer (preferred)
PDBe Complex ID:
PDB-CPX-235115 (preferred)
Entry contents:
6 distinct polypeptide molecules
Macromolecules (6 distinct):
C-phycocyanin alpha subunit Chains: A, C, E, G, I, K, M, O, Q, S, U, W, Y, a, c, e, g, i
Molecule details ›
Chains: A, C, E, G, I, K, M, O, Q, S, U, W, Y, a, c, e, g, i
Length: 162 amino acids
Theoretical weight: 17.6 KDa
Source organism: Synechocystis sp. PCC 6803 substr. Kazusa
Expression system: Synechocystis sp. PCC 6803
UniProt:
  • Canonical: Q54715 (Residues: 1-162; Coverage: 100%)
Gene names: cpcA, sll1578
Sequence domains: Phycobilisome protein
C-phycocyanin beta subunit Chains: B, D, F, H, J, L, N, P, R, T, V, X, Z, b, d, f, h, j
Molecule details ›
Chains: B, D, F, H, J, L, N, P, R, T, V, X, Z, b, d, f, h, j
Length: 172 amino acids
Theoretical weight: 18.14 KDa
Source organism: Synechocystis sp. PCC 6803 substr. Kazusa
Expression system: Synechocystis sp. PCC 6803
UniProt:
  • Canonical: Q54714 (Residues: 1-172; Coverage: 100%)
Gene names: cpcB, sll1577
Sequence domains: Phycobilisome protein
Phycobilisome 32.1 kDa linker polypeptide, phycocyanin-associated, rod 1 Chain: k
Phycobilisome 32.1 kDa linker polypeptide, phycocyanin-associated, rod 2 Chain: l
Ferredoxin--NADP reductase Chain: m
Photosystem I-associated linker protein CpcL Chain: n

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 2.64Å
Relevant EMDB volumes: EMD-34724
Expression system: Synechocystis sp. PCC 6803