Biochemistry

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4. Protein Structure

Approximating Protein Mass

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Approximating Protein Mass

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Problem

What is the approximate M r of the enzyme glycogen phosphorylase, which has 842 amino acid residues?

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Problem

Myoglobin is an oxygen-storage protein in muscle tissues. If its molecular weight is 16.7 kDa (1 Da = 1 g/mol), about how many amino acid residues does myoglobin have?