Building Blocks; Amino Acids; Isotopic Labeled Analogues;
D-Leucine-1-13C is a labeled analogue of D-Leucine (L330150), which is an unnatural isomer of L-Leucine (L330110) that acts as an auto-inhibitor of lactic streptococci in culture. D-Leucine causes analgesia in humans and also exhibits inhibitory activity in bacterial cell cultures.