CELL

General Information (Source: NCBI Gene,UniProt)

Text mining Term CELL
UniProt ID PSAC_CUSRE
Name Photosystem I subunit VII
PsaC
9 kDa polypeptide
Photosystem I iron-sulfur center
PSI-C
Gene Names psaC
Taxonomy Cuscuta reflexa

General annotation

Function Apoprotein for the two 4Fe-4S centers FA and FB of photosystem I (PSI); essential for photochemical activity. FB is the terminal electron acceptor of PSI, donating electrons to ferredoxin. The C-terminus interacts with psaA/B/D and helps assemble the protein into the PSI complex. Required for binding of psaD and psaE to PSI. PSI is a plastocyanin-ferredoxin oxidoreductase, converting photonic excitation into a charge separation, which transfers an electron from the donor P700 chlorophyll pair to the spectroscopically characterized acceptors A0, A1, FX, FA and FB in turn.
Subcellular location Plastid thylakoid membrane; Peripheral membrane protein; Stromal side (By similarity).

Gene Ontology

GO:0055035 plastid thylakoid membrane CC
GO:0006810 transport BP
GO:0009055 electron carrier activity MF
GO:0051539 4 iron, 4 sulfur cluster binding MF
GO:0046872 metal ion binding MF
GO:0009773 photosynthetic electron transport in photosystem I BP
GO:0009522 photosystem I CC

Sequence

>gi|171769793|sp|A7M9B0.1|PSAC_CUSRE RecName: Full=Photosystem I iron-sulfur center; AltName: Full=9 kDa polypeptide; AltName: Full=PSI-C; AltName: Full=Photosystem I subunit VII; AltName: Full=PsaC
MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDRCKAKQIASAPRTEDCVGCKRCESACPTDFLSVRVYLG
HETTRSMGLTY

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Database Cross Reference

Ensembl Gene
UniGene
PDB
RefSeq YP_001430151.1
Pfam PF12838