Genetic studies in Atacameño Indians: serum protein and red cell-enzyme polymorphisms

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Abstract
Phenotype and gene frequencies among Atacameno Indians are presented for 9 serum protein polymorphisms (Hp, Gc with subtypes, Tf with subtypes, Army, C3, Bf, PLG [haptoglobin, group specific component, transferrin, amylase, complement C3, properdin factor B, plasminogen]) and 9 red-cell-enzyme polymorphisms (AcP, PGM1 with subtypes, AK, ADA, 6-PGD, GPT, EsD, GLO [acid phosphatase, phosphoglucomutase, adenylate kinase, adenosine deaminase, 6-phosphogluconate dehydrogenase, glutamic pyruvic transaminase, esterase D and glyoxalase]). Four systems-Tf, Amy, AK, ADA were found to be monomorphic. In the PGM1 subtypes an extremely high frequency of PGM1a3 could be observed. In 2 samples a new Gc mutant was identified and classified as Gc1A26. In the EsD system an unusual phenotype was detected in 1 sample.