GTP-cyclohydrolase I, catalyzes first step in folic acid biosynthesis; human homolog GCH1 is implicated in dopa-responsive dystonia (DRD), and can complement yeast null mutant [Source:SGD;Acc:S000003499]

Chromosome VII: 1,025,004-1,025,735 reverse strand.

R64-1-1:BK006941.2

This gene has 1 transcript (splice variant), 216 orthologues and is a member of 3 Ensembl protein families.

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