4.2.3.12

6-carboxy-5,6,7,8-tetrahydropterin synthase
6-pyruvoyl tetrahydropterin synthase (NCBI)
6-carboxy-5,6,7,8-tetrahydropterin synthase
6-carboxy-5,6,7,8-tetrahydropterin synthase
putative 6-pyruvol tetrahydrobiopterin synthase (RefSeq)