Genetics of human S-adenosylhomocysteine hydrolase. A new polymorphism in man
- PMID: 6580258
- DOI: 10.1007/BF00285031
Genetics of human S-adenosylhomocysteine hydrolase. A new polymorphism in man
Abstract
A specific staining procedure for the demonstration of S-adenosylhomocysteine hydrolase (SAHH, EC 3.3.1.1) is given. The enzyme has a broad tissue distribution and is also present in erythrocytes. The SAHH gene is polymorphic in the population of southwest Germany with two common alleles: SAHH*1 = 0.96 and SAHH*2 = 0.04. Family studies resulted in the expected segregation ratios. No evidence for close linkage with a total of 25 marker loci was found. But information from human mouse somatic-cell hybrids led to the localization of the SAHH gene to human chromosome 20, thereby confirming the findings of Hershfield and Francke (1982).
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