Adenine PhosphoribosyltransferasePentosyltransferasesHypoxanthine PhosphoribosyltransferaseAdenineHypoxanthinesPhosphoribosyl PyrophosphateOrotate PhosphoribosyltransferaseChromosomes, Human, 16-18Nicotinamide PhosphoribosyltransferaseAzaserinePurinesLesch-Nyhan SyndromePentosephosphatesATP PhosphoribosyltransferasePurine-Nucleoside PhosphorylaseCarcinoma, Ehrlich TumorAdenosine MonophosphateAnthranilate PhosphoribosyltransferaseCricetinaeNucleotidesMutationHeterozygote DetectionHybrid CellsGenesBase SequencePurine-Pyrimidine Metabolism, Inborn ErrorsAzaguanineMolecular Sequence DataCricetulusBlotting, SouthernGlucosyltransferasesKineticsAdenine NucleotidesDNAErythrocytesCHO CellsCell LineAllelesAmino Acid SequenceAcrylamidesNicotinamide MononucleotideHypoxanthine