By Hitesh K
Question: What will be the molecular mass of a protein that is composed of 100 amino acids, if the average mw of 20 amino acids is 136?
By Hitesh K
Question: What will be the molecular mass of a protein that is composed of 100 amino acids, if the average mw of 20 amino acids is 136?
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In the formation of a peptide bond, a water molecule is “lost” (18Da),
so if there are 100 amino acids (of average weight = 136), 99 peptide bonds were created, kicking out 99 x 18 = 162 Da.
100 AA x 136 Da = 13,600 Dalton
Removing the “water” upon condensation gives
13,600 Da – 162 Da = 13,438 Da = 13,438 g/mol
How can 99*18 is 162Da. Please reply me as I am really confused