Related Clues:

• Protein building block, for short
• __ acids (protein building block)
• Protein acid, for short
• Another 46-Across
• Alpha-___ acid
• ___ acid (protein component)
• Acid head?
• Protein acid, informally
• Type of acid found in proteins
• -- acid (fuming liquid)
• Acid used in antiseptics
• Acid used in insecticides
• ___ acids (main components of proteins)
• Kind of acids
• Kind of antiseptic acid