CATH Classification

Domain Context

CATH Clusters

Superfamily 3.30.70.20
Functional Family Photosystem I iron-sulfur center

Enzyme Information

1.97.1.12
Photosystem I.
based on mapping to UniProt P31087
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)

P31087
PSAC_SYNP2
Synechococcus sp. PCC 7002
Photosystem I iron-sulfur center

PDB Structure

PDB 1K0T
External Links
Method SOLUTION NMR
Organism Escherichia
Primary Citation
Solution structure of the unbound, oxidized Photosystem I subunit PsaC, containing [4Fe-4S] clusters F(A) and F(B): a conformational change occurs upon binding to photosystem I.
Antonkine, M.L., Liu, G., Bentrop, D., Bryant, D.A., Bertini, I., Luchinat, C., Golbeck, J.H., Stehlik, D.
J.Biol.Inorg.Chem.