1.

Write the structure all possibledipeptides which can beobtainedfrom glycine andalanine .

Answer»

Solution :(i) `UNDERSET("GLYCINE")(H_2N - CH_2 -COOH + H_2 N)-underset("(ALANINE)")(underset(CH_3)underset(|)CH-COOH underset(-H_2 O)to H_2 Nunderset("(Glycyl alanine)")(-CH_2 - CONH - underset(CH_3)underset(|)CN-COOH)`
`(II) underset("(ALanine)")(H_2 H - underset(CH_3)underset(|)CH-COOH-underset("(Glycine)")(+H_2 N - CH_2 - COOH) underset(-H_2 O) to underset("(Alanyl glycine)")(H_2 N - underset(CH_3)undeset(|)CH- CONH - CH_2 - COOH)`
Therefore towdipeptidesstructures are possiblefromglycineand alanine . Theare (i) glycyl alanin and (ii) Alanyl glycine.


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