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.