protein C

General Information (Source: NCBI Gene,UniProt)

Text mining Term protein C
UniProt ID D5MAH2_PEA
Name PsaC 1
PSI-C 1
Photosystem I iron-sulfur center 1
Photosystem I subunit VII 1
9 kDa polypeptide 1
Gene Names psaC
Synonyms:psaC1
Taxonomy Pisum sativum

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 (By similarity).
Subcellular location Plastid, chloroplast thylakoid membrane; Peripheral membrane protein; Stromal side (By similarity).

Gene Ontology

GO:0006810 transport BP
GO:0009522 photosystem I CC
GO:0009535 chloroplast thylakoid membrane CC
GO:0046872 metal ion binding MF
GO:0009055 electron carrier activity MF
GO:0051539 4 iron, 4 sulfur cluster binding MF
GO:0009773 photosynthetic electron transport in photosystem I BP

Sequence

>gi|295136986|ref|YP_003587533.1| photosystem I protein C [Pisum sativum]
MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWGGCKAKQIASAPRTEDCVGCKRCESACPTDFLSVRVYLW
HETTRSMGLAY

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Database Cross Reference

Ensembl Gene
UniGene
PDB
RefSeq YP_003587533.1
Pfam PF12838