YIR034C LYS1 SGDID:S000001473, Chr IX from 420736-419615, Genome Release 64-1-1, reverse complement, Verified ORF, "Saccharopine dehydrogenase (NAD+, L-lysine-forming), catalyzes the conversion of saccharopine to L-lysine, which is the final step in the lysine biosynthesis pathway; also has mRNA binding activity"