Positive Samples: HeLa, Jurkat, Mouse brain Immunogen sequence: RWLPQKNAAQ FLLSTNDKTI KLWKISERDK RPEGYNLKEE DGRYRDPTTV TTLRVPVFRP MDLMVEASPR RIFANAHTYH INSISINSDY ETYLSADDLR I. The product of this gene belongs to the phosphatase 2 regulatory subunit B fa