ProteinSimple, which develops systems for protein analysis, withdrew its plans for an initial public offering on Thursday after announcing its plans to be acquired by Techne for $300 million in June. The Santa Clara, CA-based company was founded in 2000 and booked $54 million in sales for the 12 months ended March 31, 2014. J.P. Morgan and BofA Merrill Lynch were set to be the joint bookrunners on the deal.
