Amino acid sequence of photosystem I subunit IV from the cyanobacterium Synechocystis PCC 6803.
We describe here the complete amino acid sequence of photosystem I subunit IV from Synechocystis 6803. The molecular mass of 8.0 kDa is lower than in higher plants and Chlamydomonas, due to the lack of a characteristic, proline-rich, N-terminal sequence. The remaining sequence exhibits a good conservation, with a hydrophilic and strongly basic N-terminal head followed by two hydrophobic domains. There is no possibility of classical membrane-spanning alpha helices. This component is likely to be one of the most stroma accessible subunits of photosystem I.
Rousseau
F
F
Département de Biologie, C.E.N. SACLAY, Gif sur Yvette, France.
Lagoutte
B
B
D000595:Amino Acid Sequence; D002734:Chlorophyll / Q000302:isolation & purification*; D000458:Cyanobacteria / Q000032:analysis*; D045342:Light-Harvesting Protein Complexes; D008969:Molecular Sequence Data; D010447:Peptide Hydrolases; D045322:Photosynthetic Reaction Center Complex Proteins; D045331:Photosystem I Protein Complex; D010940:Plant Proteins / Q000302:isolation & purification*; D012689:Sequence Homology, Nucleic Acid
D045342:Light-Harvesting Protein Complexes; D045322:Photosynthetic Reaction Center Complex Proteins; D045331:Photosystem I Protein Complex; D010940:Plant Proteins; D002734:Chlorophyll; D010447:Peptide Hydrolases