The Pfam:CD20 domain within your query sequence starts at position 44 and ends at position 210, and its E-value is 3.8e-48.

ALGAVQIMNGLFHITLGGLLMIPTGVFAPICLSVWYPLWGGIMYIISGSLLAAAAEKTSRKSLVKAKVIMSSLSLFAAISGIILSIMDILNMTLSHFLKMRRLELIQTSKPYVDIYDCEPSNSSEKNSPSTQYCNSIQSVFLGILSAMLISAFFQKLVTAGIVENEW
Pfam:CD20

Pfam:CD20
Pfam domain

Pfam ACC: