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MetaCyc Polypeptide: Ycf4

Gene: ycf4 Accession Number: G-12831 (MetaCyc)

Species: Chlamydomonas reinhardtii

Summary:
Ycf4 is localized on the thylakoid membrane as part of a large complex and consists of two putative transmembrane domains [Ozawa09]. This protein is encoded by the chloroplast genome in eukaryotes and is highly conserved among photosynthetic organisms from cyanobacteria to higher plants. Ycf4 is essential for the assembly of the PSI complex in the green alga Chlamydomonas reinhardtii [Ozawa09]. It mediates the interactions between newly synthesized PSI polypeptides and assists in the construction of the PSI complex [Ozawa09].
The ycf4 gene is cotranscribed as a member of the rps9-ycf4-ycf3-rps19 polycystronic transcriptional unit.

Citations: [Boudreau97]

Gene Citations: [Boudreau97]

Locations: chloroplast thylakoid

Molecular Weight of Polypeptide: 22.42 kD (from nucleotide sequence)

Unification Links: Entrez-Nucleotide:YY13655.113655.1 , Pride:O20030 , UniProt:O20030

Relationship Links: InterPro:IN-FAMILY:IPR003359 , Pfam:IN-FAMILY:PF02392 , ProDom:IN-FAMILY:PD003698

GO Terms:

Cellular Component: GO:0009534 - chloroplast thylakoid

Credits:
Created 09-May-2011 by Weerasinghe D , SRI International


References

Boudreau97: Boudreau E, Takahashi Y, Lemieux C, Turmel M, Rochaix JD (1997). "The chloroplast ycf3 and ycf4 open reading frames of Chlamydomonas reinhardtii are required for the accumulation of the photosystem I complex." EMBO J 16(20);6095-104. PMID: 9321389

Ozawa09: Ozawa S, Nield J, Terao A, Stauber EJ, Hippler M, Koike H, Rochaix JD, Takahashi Y (2009). "Biochemical and structural studies of the large Ycf4-photosystem I assembly complex of the green alga Chlamydomonas reinhardtii." Plant Cell 21(8);2424-42. PMID: 19700633


Report Errors or Provide Feedback
Please cite the following article in publications resulting from the use of MetaCyc: Caspi et al, Nucleic Acids Research 42:D459-D471 2014
Page generated by SRI International Pathway Tools version 18.5 on Wed Nov 26, 2014, biocyc13.