Bond that joins amino acids.


 H H         H H           H H O  H H
 | |         | |           | | || | |
HN-C-COOH + HN-C-COOH  => HN-C-C -N-C-COOH + H2O
   |           |             |      |
   X           Y             X      Y

A little funky looking, but the peptide bond is where it says:


O  H
|| |
C -N

The OH on the carbon and the second H on the nitrogen bond to form water, and the nitrogen bonds with the carbon to join the amino acids, creating a protein. Yay.

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