Explain the positive charged guanidinium group of r21

Reference no: EM13559587

Hypothetical protein: the positive charged guanidinium group of R21 was with in 2.3A of the side chain carboxylate of D156. will the pka of the carboxylic acid will be different from that of free aspartic acid (with a pka of 3.5?

Reference no: EM13559587

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