The Pfam:CD20 domain within your query sequence starts at position 44 and ends at position 182, and its E-value is 2.9e-27.

LLGAIQILLSLVIVGFGNILALNFTFSSKEFPLVILTGYPFWGAVIFLLTGLVTMSHDKPRRILKQGVTTMNVLSSLTALAGIALTLLSFTQQHRVCQTPSLEGPCVVGETLLLGILSVLLIITIVELSISVTVVSLRS
Pfam:CD20

Pfam:CD20
Pfam domain

Pfam ACC: