Enter a clue or pattern or both:
The Clue
Certain amino acid (6 letter answer)
The Answer
LYSINE
Tags
Notes
The answer LYSINE is rarely seen, appearing only about once every 2100 puzzles.
Related Clues
An amino acid
Basic amino acid
Essential amino acid
Important amino acid
Definition
LYSINE as a noun:
1. an essential amino acid found in proteins; occurs especially in gelatin and casein