LS is an alias for the gene, Lipoic acid synthetase, in humans. Other names include: Lipoyl synthase, mitochondrial; Lipoate synthase; Lip-syn; Lipoic acid synthase; Lipoyl synthase, mitochondrial ; HUSSY-01; LAS; PDHLD. The encoded protein is an enzyme with an amino acid length of 372 and a mass of 41.9 kDa. Other isoforms may exist. LS is a member of the Radical SAM superfamily, Lipoyl synthase family. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Frog, Chicken.