title: Assignment of the gene for phosphoribosylpyrophosphate amidotransferase to the pter leads to q21 region of human chromosome 4.
mesh_terms: D000582:Amidophosphoribosyltransferase / Q000235:genetics*; D000818:Animals; D002460:Cell Line; D002874:Chromosome Mapping; D002905:Chromosomes, Human, 4-5; D006224:Cricetinae; D006801:Humans; D006822:Hybrid Cells / Q000201:enzymology; D010430:Pentosyltransferases / Q000235:genetics*
chemical_list: D010430:Pentosyltransferases; D000582:Amidophosphoribosyltransferase