The Pfam:Biopterin_H domain within your query sequence starts at position 165 and ends at position 232, and its E-value is 7.2e-37.

PWFPRKVSELDKCHHLVTKFDPDLDLDHPGFSDQAYRQRRKLIAEIAFQYKQGEPIPHVEYTKEEIAT
Pfam:Biopterin_H

Pfam:Biopterin_H
Pfam domain

Pfam ACC: