In a frenzy, mess with biochemical proteins (7)

I believe the answer is:

enzymes

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'biochemical proteins' is the definition.
'enzymes' can be an answer for 'proteins' (enzyme is a kind of protein). I am not certain of the 'biochemical' bit.

'in a frenzy mess with' is the wordplay.
'with' says the answer is hidden in the clue.
'ENZYMES' is hidden within 'in frenzy mess'.

Can you help me to learn more?

(Other definitions for enzymes that I've seen before include "Biological catalysts" , "Complex proteins produced by living cells" , "Bodily catalysts" .)

I've seen this clue in the Sydney Morning Herald.

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