› 8wgh

Electron Microscopy
2.4Å resolution

Cryo-EM structure of the red-shifted Fittonia albivenis PSI-LHCI

Released:
DOI: 10.2210/pdb8wgh/pdb
PDB entry 8wgh coloured by chain, front view.
PDB entry 8wgh coloured by chain, side view.
PDB entry 8wgh coloured by chain, top view.
Source organism: Fittonia albivenis
Primary publication:
Structure of the red-shifted Fittonia albivenis photosystem I.
Li X, Huang G, Zhu L, Hao C, Sui SF, Qin X
Nat Commun 15 6325 (2024)
PMID: 39060282
Related structures: EMD-37513

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 octadecamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-269609 (preferred)
Entry contents:
18 distinct polypeptide molecules
Macromolecules (18 distinct):
Chlorophyll a-b binding protein 1 Chain: 1
Molecule details ›
Chain: 1
Length: 246 amino acids
Theoretical weight: 26.77 KDa
Source organism: Fittonia albivenis
Chlorophyll a-b binding protein 2 Chain: 2
Molecule details ›
Chain: 2
Length: 265 amino acids
Theoretical weight: 28.53 KDa
Source organism: Fittonia albivenis
Chlorophyll a-b binding protein 3 Chain: 3
Chlorophyll a-b binding protein 4 Chain: 4
Photosystem I P700 chlorophyll a apoprotein A1 Chain: A
Photosystem I P700 chlorophyll a apoprotein A2 Chain: B
Photosystem I iron-sulfur center Chain: C
Photosystem I reaction center subunit II Chain: D
Photosystem I reaction center subunit IV Chain: E
Photosystem I reaction center subunit III, chloroplastic Chain: F
Photosystem I reaction center subunit VIII Chain: G
Photosystem I reaction center subunit VI Chain: H
Photosystem I reaction center subunit VIII Chain: I
Photosystem I reaction center subunit IX Chain: J
Photosystem I reaction center subunit psaK Chain: K
Photosystem I reaction center subunit XI Chain: L
Photosystem I reaction center subunit N Chain: N
Photosystem I reaction center subunit O Chain: O

Ligands and Environments

12 bound ligands:
Ligand CHL 12 x CHL
Ligand CLA 150 x CLA
Ligand LUT 7 x LUT
Ligand XAT 4 x XAT
Ligand BCR 26 x BCR
Ligand LHG 5 x LHG
Ligand LMG 3 x LMG
Ligand HTG 10 x HTG
Ligand PQN 2 x PQN
Ligand SF4 3 x SF4
Ligand LMT 2 x LMT
Ligand DGD 1 x DGD
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this EM entry.
Resolution: 2.4Å
Relevant EMDB volumes: EMD-37513

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