Glycyl-glycyl-glycine 556-33-2

The chemical formula of glycyl-glycyl-glycine (triglycine) is C₆H₁₂N₃O₄. This tripeptide is composed of three glycine residues linked by peptide bonds, with a molecular weight of approximately 189.18 g/mol.
Structure Details:
N-Terminal: A free amino group (-NH₂)
C-Terminal: A free carboxyl group (-COOH)
Backbone: Three glycine units connected by two peptide bonds (-CO-NH-)
The linear structure can be written as:
H₂N-CH₂-CO-NH-CH₂-CO-NH-CH₂-COOH
This formula reflects the condensation reactions that form peptide bonds, where each bond eliminates a water molecule (H₂O) from the amino and carboxyl groups of adjacent glycine residues.

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