The Pfam:B12-binding domain within your query sequence starts at position 761 and ends at position 861, and its E-value is 3.3e-20.

GTIVLATVKGDVHDIGKNIVGVVLACNNFRVIDLGVMTPCDKILQAALDHKADIIGLSGLITPSLDEMIFVAKEMERLAIKIPLLIGGATTSRTHTAVKIA
Pfam:B12-binding

Pfam:B12-binding
Pfam domain

Pfam ACC: