Homologs of SGL_RS02600 from Synechocystis sp000284455 PCC 6803
photosystem I reaction center subunit PsaK
SEED: photosystem I subunit X (PsaK, PsaK1)
KEGG: photosystem I subunit X
4 hits from BLASTp (E < 0.01)
Or try PaperBLAST, fast.genomics, the ENIGMA genome browser, or the comparative fitness browser