Fluorescence in situ hybridization analysis of human STK6 encoding a mitotic centrosomal protein kinase, Aik, revealed two signals in chromosome bands 20q13.2→q13.3 and 1q41→q42. Somatic cell hybrid panel analyses showed the existence of an identical sequence to STK6 cDNA on chromosome 20, and a processed pseudogene on chromosome 1. These results suggest that STK6 is localized at 20q13.2→q13.3 and a pseudogene STK6P at 1sq4
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