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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

A new pyruvate kinase variant (PK Osaka) demonstrated by partial purification and condensation.

A qualitative variant of erythrocyte and liver pyruvate kinases (PK Osaka) was detected in a family in which two siblings have extremely low PK activity by semipurification with DEAE cellulose chromatography and subsequent concentration of the enzyme solutions. This was previously reported to be a quantitative variant based on studies of crude tissue preparations. The molecular aberrations were characterized by slow mobility upon electrophoresis, abnormal kinetics for phosphoenolpyruvate, and low affinity for anti-human erythrocyte PK serum. The mutant PK L was similar both electrophoretically and immunologically to PK R.[1]

References

  1. A new pyruvate kinase variant (PK Osaka) demonstrated by partial purification and condensation. Shinohara, K., Miwa, S., Nakashima, K., Oda, E., Kageoka, T. Am. J. Hum. Genet. (1976) [Pubmed]
 
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