Related Clues:
- -- acid, acid of the purine group
- Atomic group found in glutamic acid
- Organic acid type
- Protein constituent, informally
- One type of acid
- The 28-Across in proteins
- Like protein-building acids
- Protein acid type
- With 67 Across, protein building block
- Acid with -NH2
- Acid variety
- ___ acids (protein building blocks)
- ___ acid (protein part)
- ___ group (structure found in proteins)
- __ acids: protein components