My Old Enzymes
(To the tune of "Auld Lang Syne")
Copyright © 2010 Kevin Ahern

David Simmons' recording HERE

Whene’er my proteins go kaput

If they are past their prime.

The cells will act to soon replace

All of my old enzymes

 

They know which ones to break apart

Ubiquitin’s the sign

A marker for pro-TE-a-somes

To find the old enzymes

 

These soon get bound and then cut up

In pieces less than nine

More chopping yields the single ones

Building blocks from old enzymes

 

So in a way the cell knows well

Of father time it’s true

Amino acids when reused

Turn the old enzymes to new

 

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