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. Author manuscript; available in PMC: 2015 Apr 7.
Published in final edited form as: Mol Biotechnol. 2010 Jul;45(3):226–234. doi: 10.1007/s12033-010-9268-3

Fig. 1.

Fig. 1

HA content of ultracentrifugation pellets from expression supernatants. A/California/04/2009 and A/Puerto Rico/8/1934 blots were developed using monoclonal anti-HA mouse antibodies in combination with secondary anti-mouse IgG alkaline phosphatase labelled antibodies. The A/Hiroshima/52/2005 blot was developed using anti-A/Panama/2007 H3N2 HA polyclonal sheep serum and a secondary anti-sheep IgG alkaline phosphatase labelled antibody. For abbreviations of the different HA and M1 proteins as well as cell lines please consult Table 1