The Pfam:CD20 domain within your query sequence starts at position 50 and ends at position 146, and its E-value is 4.8e-20.

LGFINSGAFLIALKRKTTDTLIKMSRAMNLLSALGAAAGIILLIFGFLLDGEFICGYSPDGMQCGVITILFIGILVMLMIFSIVELFISLFSSVLGC
Pfam:CD20

Pfam:CD20
Pfam domain

Pfam ACC: