The molecular weight of the A and B chains of the E. coli enzyme, tryptophan synthase,...
The molecular weight of the A and B chains of the E. coli enzyme, tryptophan synthase, are 29,500 and 49,500 Daltons, respectively. The size of the entire quaternary enzyme complexes 159,000 Daltons. If the average molecular weight of each amino acids is 110, then how many amino acids are present in the A chain? (Enter a number and round to the nearest integer.)
Homework Answers
The average molelcular weight of an amino acid = 110.
The molecular weight of chain A = 29500.
So, the total no. of amino acids in chain A = 29500/110 = 268.18 = 268 AA.
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The molecular weight of the A and B chains of the E. coli
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