The Pfam:CD20 domain within your query sequence starts at position 34 and ends at position 199, and its E-value is 4.9e-33.

ALGATQMALGCLIVAVSFAALALTTSARVRHSCPFWAGFSVLLSGLIGVVSWKRPLSLVITFFMLLSAVCVMLNLAGSILSCQNAQLVSSLEGCQLIKFDSVEVCVCCELQHHSSGCSNLGETLKLNPLQENCNAVRLTLKDLLFSVCALNVLSTIVCALATAMCC
Pfam:CD20

Pfam:CD20
Pfam domain

Pfam ACC: