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| Description: Only one residue is out of the hydrogen-bonding sequence. In this case it is a proline, which cannot act as an H-bond donor in any case. Note that no H atom is bonded to the a–amino group of the proline (the H that appears to be bonded to the a-N atom is, in fact, bonded to the d–carbon of the proline side chain). Picture Stats: Views: 218 Filesize: 86.08kB Height: 472 Width: 481 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=34096 |