leukemia, "The continuous cell line K-562 was established by Lozzio and Lozzio from the pleural effusion of a 53-year-old female with chronic myelogenous leukemia in terminal blast crises." - ATCC
RNA polymerase II. Is responsible for RNA transcription. It is generally enriched at 5' gene ends, probably due to higher rate of occupancy associated with transition from initiation to elongation.