Enzymatic synthesis of the pteridine moiety of dihydrofolate from guanine nucleotides.
D002845:Chromatography; D005492:Folic Acid / Q000096:biosynthesis*; D006150:Guanine Nucleotides / Q000378:metabolism*; D066298:In Vitro Techniques; D007778:Lactobacillus / Q000378:metabolism*; D011622:Pterins / Q000096:biosynthesis*
D006150:Guanine Nucleotides; D011622:Pterins; D005492:Folic Acid