Possible Clues:

• Protein builder
• Protein building block
• Do I take drug, on turning up to get some protein?
• In a short space of time detectives ring a compound
• Basic protein constituent
• In Dominica, a shambolic compound
• Organic compound for a largely Cretan police department
• Cooking manioc, I'd a bit of protein
• Help to get Mad Monica inside compound
• During screening I return prisoner, securing a compound