Assertion: antigen's antibody | /r/HasAspect | high affinity
Facets:
value: for their antigen
type: OTHER
value: very
type: DEGREE
value: frequently
type: TEMPORAL
Source sentences:
text: Since B cell maturation also involves somatic hypermutation (a process completed before differentiation into a plasma cell), these antibodies frequently have a very high affinity for their antigen.