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Related Clues:
- With 16-Across, component of most proteins
- Acid group
- Essential ___ Energy (Optimum Nutrition dietary supplement)
- Kind of acid used in food flavoring
- Vital acid
- ___ acid (DNA component)
- ___ acid sequence
- ___ acid (essential compound)
- Acid in many antiseptics
- — acids
- Sort of acid, could I be? Wrong
- Type of acid in proteins
- Essential-acid link
- Acid type in proteins
- With 48 Down, protein building block