YCF4_WHEAT Photosystem I assembly protein Ycf4 ycf4 Seems to be required for the assembly of the photosystem I complex (By similarity). 185 MNWRSEHIWVELLKGSRKRGNFFWACILFLGSLGFLSVGISSYLGKNIISILPSQEILFFPQGVVMSFYGIAGLFISSYLWCTILWNVGSGYDRFDRKEGIVCIFRWGFPGIKRRVFLRFLMRDIQSIRIQVKEGLYPRRILYMEIRGQGIIPLTRTDDKFFTPREIEQKAAELAYFLRVPIEVF