| Literature DB >> 4868511 |
B R Migeon, V M Der Kaloustian, W L Nyhan, W J Yough, B Childs.
Abstract
Clones of skin fibroblasts cultured from the mother of two sons with X-linked hypoxanthine-guanine phosphoribosyl transferase deficiency (Lesch-Nyhan syndrome) were assayed for activity of this enzyme by measurement of the incorporation of (3)H-guanine into guanylic acid as counts per minute per microgram of protein and by autoradiography. The demonstration of two populations of clones, wild-type clones with normal enzyme activity and mutant clones unable to incorporate (3)H-guanine, is evidence that the locus for hypoxanthineguanine phosphoribosyl transferase on one of the X chromosomes is inactive.Entities:
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Year: 1968 PMID: 4868511 DOI: 10.1126/science.160.3826.425
Source DB: PubMed Journal: Science ISSN: 0036-8075 Impact factor: 47.728