amino acid residual

Kresten kresten at my-deja.com
Mon Sep 25 02:53:47 EST 2000


A protein consists of amino-acid residues and not amino-acids since,
when the amino-acids are polymerized into polypeptides, water is
removed:

R-COOH + H2N-R' -> RCONHR' + H20

Therefore the protein-mass is the sum of the masses of the amino-acids
minus the mass of the water molecules removed during the synthesis.

HTH
Kresten

In article <39CB90B7.692EF84F at zonvark.wustl.edu>,
  gavin <gavin at zonvark.wustl.edu> wrote:
> I know this is gonna be a real dumb question.  Would someone please
> explain
> to me what do people mean by "residual" when they talk about
> residuals of polypeptide
> or amino acids?
>
> Thank you much!
>
> Gavin
>
>

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