carbon content of proteins?

Jonathan Walton walton at
Wed Mar 11 11:34:29 EST 1998

Can anyone tell me a generally accepted average value for the % (by
weight) of carbon in proteins?  The value of 15-16% for N is generally
used, but how about carbon?  And (related question that would give the
answer) is there is a program that will calculate the elemental
composition of a protein?

Jon Walton
Michigan State Univ.
walton at

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