title: Identification of 2-amino-4-hydroxy-6-methylpteridine as a naturally-occurring compound in two methane-oxidizing bacteria.
mesh_terms: D001419:Bacteria / Q000032:analysis*; D002854:Chromatography, Paper; D004586:Electrophoresis; D005470:Fluorometry; D008697:Methane / Q000378:metabolism; D011621:Pteridines / Q000032:analysis / Q000302:isolation & purification*
chemical_list: D011621:Pteridines; D008697:Methane