what are alpha and beta chains in protein?
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Protein Structure. The hemoglobin molecule is made up of four polypeptide chains: twoalpha chains < >of 141 amino acid residues each and two beta chains < > of 146 amino acid residues each. The alpha and beta chains have different sequences of amino acids, but fold up to form similar three-dimensional structures.
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I mean definition of both chains and difference between them
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The hemoglobin molecule is made up of four polypeptide chains. Alpha chains of 141 amino acid residues each and two beta chains of 146 amino acid residues each.
I mean definition of both chains and difference between them
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