› 8jw0

Electron Microscopy
2.9Å resolution

PSI-AcpPCI supercomplex from Amphidinium carterae

Released:
DOI: 10.2210/pdb8jw0/pdb
PDB entry 8jw0 coloured by chain, front view.
PDB entry 8jw0 coloured by chain, side view.
PDB entry 8jw0 coloured by chain, top view.
Source organism: Amphidinium carterae
Primary publication:
Structures and organizations of PSI-AcpPCI supercomplexes from red tidal and coral symbiotic photosynthetic dinoflagellates.
Li X, Li Z, Wang F, Zhao S, Xu C, Mao Z, Duan J, Feng Y, Yang Y, Shen L, Wang G, Yang Y, Yu LJ, Sang M, Han G, Wang X, Kuang T, Shen JR, Wang W
Proc Natl Acad Sci U S A 121 e2315476121 (2024)
PMID: 38319970
Related structures: EMD-36678

Function and Biology Details

Reaction catalysed: 
Reduced plastocyanin + oxidized ferredoxin + light = oxidized plastocyanin + reduced ferredoxin
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero 29-mer (preferred)
PDBe Complex ID:
PDB-CPX-244118 (preferred)
Entry contents:
28 distinct polypeptide molecules
Macromolecules (28 distinct):
Photosystem I P700 chlorophyll a apoprotein A1 Chain: a
Molecule details ›
Chain: a
Length: 645 amino acids
Theoretical weight: 70.53 KDa
Source organism: Amphidinium carterae
UniProt:
  • Canonical: P58309 (Residues: 31-677; Coverage: 95%)
Gene name: psaA
Sequence domains: Photosystem I psaA/psaB protein
Photosystem I P700 chlorophyll a apoprotein A2 Chain: b
Molecule details ›
Chain: b
Length: 617 amino acids
Theoretical weight: 67.96 KDa
Source organism: Amphidinium carterae
UniProt:
  • Canonical: P58383 (Residues: 28-644; Coverage: 96%)
Gene name: psaB
Sequence domains: Photosystem I psaA/psaB protein
Photosystem I PsaC Chain: c
Molecule details ›
Chain: c
Length: 86 amino acids
Theoretical weight: 9.41 KDa
Source organism: Amphidinium carterae
Photosystem I PsaD Chain: d
Molecule details ›
Chain: d
Length: 257 amino acids
Theoretical weight: 28.75 KDa
Source organism: Amphidinium carterae
Photosystem I PsaE Chain: e
Molecule details ›
Chain: e
Length: 74 amino acids
Theoretical weight: 8.62 KDa
Source organism: Amphidinium carterae
Photosystem I PsaF Chain: f
Molecule details ›
Chain: f
Length: 185 amino acids
Theoretical weight: 20.76 KDa
Source organism: Amphidinium carterae
Photosystem I PsaR Chain: h
Molecule details ›
Chain: h
Length: 132 amino acids
Theoretical weight: 14.94 KDa
Source organism: Amphidinium carterae
Photosystem I PsaI Chain: i
Molecule details ›
Chain: i
Length: 126 amino acids
Theoretical weight: 14.18 KDa
Source organism: Amphidinium carterae
Photosystem I PsaJ Chain: j
Molecule details ›
Chain: j
Length: 70 amino acids
Theoretical weight: 7.76 KDa
Source organism: Amphidinium carterae
Photosystem I PsaL Chain: l
Molecule details ›
Chain: l
Length: 253 amino acids
Theoretical weight: 27.99 KDa
Source organism: Amphidinium carterae
Photosystem I PsaM Chain: m
Molecule details ›
Chain: m
Length: 89 amino acids
Theoretical weight: 9.63 KDa
Source organism: Amphidinium carterae
Chlorophyll a-chlorophyll c-peridinin-protein-complex I-10, acpPCI-10 Chain: A
Molecule details ›
Chain: A
Length: 180 amino acids
Theoretical weight: 19.55 KDa
Source organism: Amphidinium carterae
Chlorophyll a-chlorophyll c-peridinin-protein-complex I-8, acpPCI-8 Chain: G
Molecule details ›
Chain: G
Length: 215 amino acids
Theoretical weight: 23.78 KDa
Source organism: Amphidinium carterae
Chlorophyll a-chlorophyll c-peridinin-protein-complex I-7, acpPCI-7 Chain: I
Molecule details ›
Chain: I
Length: 194 amino acids
Theoretical weight: 21.35 KDa
Source organism: Amphidinium carterae
Chlorophyll a-chlorophyll c-peridinin-protein-complex I-6, acpPCI-6 Chain: K
Molecule details ›
Chain: K
Length: 172 amino acids
Theoretical weight: 19.17 KDa
Source organism: Amphidinium carterae
Chlorophyll a-chlorophyll c-peridinin-protein-complex I-2, acpPCI-2 Chain: F
Molecule details ›
Chain: F
Length: 176 amino acids
Theoretical weight: 19.34 KDa
Source organism: Amphidinium carterae
Chlorophyll a-chlorophyll c-peridinin-protein-complex I-3, acpPCI-3 Chain: J
Molecule details ›
Chain: J
Length: 165 amino acids
Theoretical weight: 18.23 KDa
Source organism: Amphidinium carterae
Chlorophyll a-chlorophyll c-peridinin-protein-complex I-4, acpPCI-4 Chain: M
Molecule details ›
Chain: M
Length: 168 amino acids
Theoretical weight: 18.96 KDa
Source organism: Amphidinium carterae
Chlorophyll a-chlorophyll c-peridinin-protein-complex I-5, acpPCI-5 Chain: L
Molecule details ›
Chain: L
Length: 185 amino acids
Theoretical weight: 20.59 KDa
Source organism: Amphidinium carterae
Light-harvesting chlorophyll a-c binding protein Chain: D
Molecule details ›
Chain: D
Length: 160 amino acids
Theoretical weight: 17.07 KDa
Source organism: Amphidinium carterae
UniProt:
  • Canonical: Q38689 (Residues: 159-318; Coverage: 46%)
Sequence domains: Chlorophyll A-B binding protein
Chlorophyll a-chlorophyll c-peridinin-protein-complex I-11, acpPCI-11 Chain: B
Molecule details ›
Chain: B
Length: 172 amino acids
Theoretical weight: 19.56 KDa
Source organism: Amphidinium carterae
Chlorophyll a-chlorophyll c-peridinin-protein-complex I-12, acpPCI-12 Chain: H
Molecule details ›
Chain: H
Length: 160 amino acids
Theoretical weight: 17.11 KDa
Source organism: Amphidinium carterae
Chlorophyll a-chlorophyll c-peridinin-protein-complex I-13, acpPCI-13 Chain: N
Molecule details ›
Chain: N
Length: 160 amino acids
Theoretical weight: 17.12 KDa
Source organism: Amphidinium carterae
Chlorophyll a-chlorophyll c-peridinin-protein-complex I-15, acpPCI-15 Chain: O
Molecule details ›
Chain: O
Length: 161 amino acids
Theoretical weight: 17.42 KDa
Source organism: Amphidinium carterae
Chlorophyll a-chlorophyll c-peridinin-protein-complex I-16, acpPCI-16 Chains: C, T
Molecule details ›
Chains: C, T
Length: 160 amino acids
Theoretical weight: 17.11 KDa
Source organism: Amphidinium carterae
Chlorophyll a-chlorophyll c-peridinin-protein-complex I-17, acpPCI-17 Chain: Q
Molecule details ›
Chain: Q
Length: 162 amino acids
Theoretical weight: 17.36 KDa
Source organism: Amphidinium carterae
Light-harvesting chlorophyll a-c binding protein Chain: P
Molecule details ›
Chain: P
Length: 160 amino acids
Theoretical weight: 17.36 KDa
Source organism: Amphidinium carterae
UniProt:
  • Canonical: Q38688 (Residues: 14-173; Coverage: 87%)
Sequence domains: Chlorophyll A-B binding protein
Chlorophyll a-chlorophyll c-peridinin-protein-complex I-1, acpPCI-1 Chain: E
Molecule details ›
Chain: E
Length: 142 amino acids
Theoretical weight: 15.28 KDa
Source organism: Amphidinium carterae

Ligands and Environments

12 bound ligands:
Ligand CLA 223 x CLA
Ligand PQN 2 x PQN
Ligand LHG 1 x LHG
Ligand BCR 12 x BCR
Ligand SF4 3 x SF4
Ligand LMG 11 x LMG
Ligand DGD 8 x DGD
Ligand DD6 49 x DD6
Ligand PID 49 x PID
Ligand UIX 12 x UIX
Ligand KC1 39 x KC1
Ligand SQD 2 x SQD
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 2.9Å
Relevant EMDB volumes: EMD-36678

Quick links