The Pfam:CD20 domain within your query sequence starts at position 36 and ends at position 196, and its E-value is 1.9e-30.

TLGLAQVLLGILVITFSMVASSVTTTESIKRSCPSWAGFSLAFSGLVGIVSWKRPFTLVISFFSLLSVLCVMLSMAGSVLSCKNAQLARDFRECSMEGKVCVCCPPIPLHRPCPEWGQELKVALNSTCDEARGALKNLLFSVCGLTICAAIICTLSAIVCC
Pfam:CD20

Pfam:CD20
Pfam domain

Pfam ACC: