Organism
Drosophila melanogaster
Function
Catalyzes the hydrolytic deamination of guanine, producing xanthine and ammonia. Also has 7,8-dihydropterin deaminase activity, which plays a role in synthesis of the red eye pigment aurodrosopterin.
Similarity
Belongs to the metallo-dependent hydrolases superfamily. ATZ/TRZ family.
Sequence
MATVFLGTVVHTKSFSEFESFEGGFLAVDDAGKIIGVGQDYHAWASSNPAHAKGLTEVHLSDYQFLMPGFVDCHIHAPQFAQLGLGLDMPLLDWLNTYTFPLEAKFSNHQYAQQVYQGVVEATLRCGTTLASYFATNHLESTLTLAREAVRQGQRALIGKVCSNCNSPEFYVETAEESVSATLAFVEGVRKLGSPMVMPTITPRFALSCSKELLKSLGDIAKRFDLHIQSHISENLEEIEMVKGIFKTSYAGAYDEAGLLTNKTVLAHGVHLEDDEVALLKVRGCSVAHCPTSNTMLSSGLCDVQRLVSGGVSVGLGTDVSGGNSVSIQDVLLRALDVSKHLDFFKKQNIRGTGVSKTQDFNYHQLKYKQALYLATLGGAKALSLDHLTGNFALGKDFDALLVDVSVVDKPLRRLSVDELVEKFIYTGSDRNIVEVFVAGKRIKQGYQ