X-Pro peptide bond favors the single-bonded form. Made with ChemDraw. |?????=[[:en:user:WillowW]] |???????=[[:en:Image:Prolyl peptide group resonance English...
WillowW 393×125×8 (2840 bytes) Electronegative substituent near the amide nitrogen favors the single-bonded resonance form. Made with ChemDraw. English...