Function and Biology Details
Reaction catalysed:
Reduced plastocyanin + oxidized ferredoxin + light = oxidized plastocyanin + reduced ferredoxin
Biochemical function:
Biological process:
Cellular component:
Sequence domains:
- Photosystem I PsaA/PsaB
- Photosystem antenna protein-like
- Photosystem antenna protein-like superfamily
- Photosystem I PsaA/PsaB superfamily
- Photosystem I PsaJ, reaction centre subunit IX
- Photosystem I reaction centre subunit VIII
- 4Fe-4S ferredoxin-type, iron-sulphur binding domain
- Photosystem I PsaM, reaction centre
23 more domains
Structure analysis Details
Assembly composition:
hetero 54-mer (preferred)
Assembly name:
Photosystem I (preferred)
PDBe Complex ID:
PDB-CPX-141242 (preferred)
Entry contents:
13 distinct polypeptide molecules
Macromolecules (13 distinct):
Photosystem I P700 chlorophyll a apoprotein A1
Molecule details ›
Chains: aA, bA, cA
Length: 755 amino acids
Theoretical weight: 83.28 KDa
Source organism: Thermostichus vulcanus
UniProt:
Sequence domains: Photosystem I psaA/psaB protein
Length: 755 amino acids
Theoretical weight: 83.28 KDa
Source organism: Thermostichus vulcanus
UniProt:
- Canonical:
P25936 (Residues: 1-755; Coverage: 100%)
Sequence domains: Photosystem I psaA/psaB protein
Photosystem I P700 chlorophyll a apoprotein A2
Molecule details ›
Chains: aB, bB, cB
Length: 740 amino acids
Theoretical weight: 82.99 KDa
Source organism: Thermostichus vulcanus
UniProt:
Sequence domains: Photosystem I psaA/psaB protein
Length: 740 amino acids
Theoretical weight: 82.99 KDa
Source organism: Thermostichus vulcanus
UniProt:
- Canonical: P0A409 (Residues: 2-741; Coverage: 100%)
Sequence domains: Photosystem I psaA/psaB protein
Photosystem I iron-sulfur center
Molecule details ›
Chains: aC, bC, cC
Length: 80 amino acids
Theoretical weight: 8.68 KDa
Source organism: Thermostichus vulcanus
UniProt:
Sequence domains: 4Fe-4S dicluster domain
Length: 80 amino acids
Theoretical weight: 8.68 KDa
Source organism: Thermostichus vulcanus
UniProt:
- Canonical: P0A417 (Residues: 2-81; Coverage: 99%)
Sequence domains: 4Fe-4S dicluster domain
Photosystem I reaction center subunit II
Molecule details ›
Chains: aD, bD, cD
Length: 138 amino acids
Theoretical weight: 15.26 KDa
Source organism: Thermostichus vulcanus
UniProt:
Sequence domains: PsaD
Length: 138 amino acids
Theoretical weight: 15.26 KDa
Source organism: Thermostichus vulcanus
UniProt:
- Canonical: P0A422 (Residues: 2-139; Coverage: 99%)
Sequence domains: PsaD
Photosystem I reaction center subunit PsaK
Molecule details ›
Chains: aK, bK, cK
Length: 85 amino acids
Theoretical weight: 8.67 KDa
Source organism: Thermostichus vulcanus
UniProt:
Sequence domains: Photosystem I psaG / psaK
Length: 85 amino acids
Theoretical weight: 8.67 KDa
Source organism: Thermostichus vulcanus
UniProt:
- Canonical: P23318 (Residues: 1-85; Coverage: 100%)
Sequence domains: Photosystem I psaG / psaK
