Leucine
Leucine is an amino acid which has the single letter amino acid code L, and the 3 letter code leu. It has a neutral charge, and is non-polar. It is coded for by the nucletide base sequences: CUU, CUA, CUC and CUG. [1]
Reference:
1. https://www.dna20.com/codontablewheel.php
- ↑ Codon Data