CATH Classification

Domain Context

CATH Clusters

Superfamily Photosystem I PsaA/PsaB
Functional Family Photosystem I P700 chlorophyll a apoprotein A2

Enzyme Information

1.97.1.12
Photosystem I.
based on mapping to UniProt P29254
Reduced plastocyanin + oxidized ferredoxin + light = oxidized plastocyanin + reduced ferredoxin.
-!- Contains chlorophyll, phylloquinones, carotenoids and [4Fe-4S] clusters. -!- Cytochrome c6 can act as an alternative electron donor, and flavodoxin as an alternative acceptor in some species.

UniProtKB Entries (1)

P12975
PSAE_SYNY3
Synechocystis sp. PCC 6803 substr. Kazusa
Photosystem I reaction center subunit IV

PDB Structure

PDB 4L6V
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Crystal structures of virus-like photosystem I complexes from the mesophilic cyanobacterium Synechocystis PCC 6803.
Mazor, Y., Nataf, D., Toporik, H., Nelson, N.
Elife