Assertion: amino acid's group | /r/HasProperty | bent
Facets:
value: covalently
type: MANNER
value: into a circle
type: OTHER
Source sentences:
text: The "R" group is bent into a circle which attaches itself to the nitrogen again in place of one of the hydrogens.
text: Organic prosthetic groups can be covalently bound (e.g., biotin in enzymes such as pyruvate carboxylase).