Assertion: purine | /r/CapableOf | form hydrogen bonds
Facets:
value: with adenine bonding
type: OTHER
value: to pyrimidines
type: TRANSITIVE-OBJECT
Source sentences:
text: Purines form hydrogen bonds to pyrimidines, with adenine bonding only to thymine in two hydrogen bonds, and cytosine bonding only to guanine in three hydrogen bonds.