How Many Different Polypeptides Can Be Made from 5 Amino Acids?

Thread starter nemzy
Start date Jan 17, 2005

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The discussion centers on calculating the number of different polypeptides that can be formed from 5 amino acids using the 20 common amino acids. The initial assumption is that the total combinations would be 20^5. However, there is a caveat that not all theoretical combinations may be feasible for synthesis due to practical difficulties. The conversation highlights the distinction between theoretical possibilities and real-world synthesis challenges. Ultimately, while 20^5 represents the maximum potential combinations, actual synthesis may be limited.

Jan 17, 2005

nemzy

how many diff polypeptides, each composed of 5 amino acids, could be synthesized using the 20 common amino acids?

the answer is simply 20^5 right?

if not, then can u please tell me what I am doing wrong thx

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Jan 17, 2005

gerben

theoretically yes 20^5, but some of them may be difficult to synthesize

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