title: Glutamate pyruvate transaminase null allele in seven new families.
abstract: Based upon aberrant segregation of glutamate pyruvate-transaminase (GPT) and reduced enzyme activity on electrophoresis, seven new families with a GPT null allele were identified during genetic linkage analysis for a number of different traits.
mesh_terms: D000410:Alanine Transaminase / Q000235:genetics*; D000483:Alleles; D004586:Electrophoresis; D008040:Genetic Linkage; D006801:Humans
chemical_list: D000410:Alanine Transaminase