41. Glycine , on the other hand, seems to have few major side effects.42. Methylene-THF is then used by serine hydroxymethyltransferase to synthesize serine from glycine . 43. Glycine in her Koubu-F prepares to attack a couple of Blanche robots.44. Sarcosine is found naturally as an intermediate in the metabolism of choline to glycine . 45. Glycine is a major post-synaptic inhibitory neurotransmitter with a specific receptor site.46. LSO innervates the IHC . VNTB innervate OHC . MNTB inhibit LSO via glycine . 47. Consequently, residues such as alanine, glycine and valine tend to be preferred. 48. The serine family of amino acid includes : serine, cysteine, and glycine . 49. Other inhibitors / regulators are glycine and alanine. 50. It is unrelated to the amino acid glycine .