The Pfam:Biopterin_H domain within your query sequence starts at position 150 and ends at position 480, and its E-value is 3.6e-177.

PWFPRKISELDRCSHRVLMYGTELDADHPGFKDNVYRQRRKYFVDVAMGYKYGQPIPRVEYTEEETKTWGVVFRELSKLYPTHACREYLKNLPLLTKYCGYREDNVPQLEDVSMFLKERSGFTVRPVAGYLSPRDFLAGLAYRVFHCTQYVRHGSDPLYTPEPDTCHELLGHVPLLADPKFAQFSQEIGLASLGASDEDVQKLATCYFFTIEFGLCKQEGQLRAYGAGLLSSIGELKHALSDKACVKSFDPKTTCLQECLITTFQDAYFVSDSFEEAKEKMRDFAKSITRPFSVYFNPYTQSIEILKDTRSIENVVQDLRSDLNTVCDALN
Pfam:Biopterin_H

Pfam:Biopterin_H
Pfam domain

Pfam ACC: