The human H5N1 influenza A virus polymerase complex is active in vitro over a broad range of temperatures, in contrast to the WSN complex, and this property can be attributed to the PB2 subunit -- Bradel-Tretheway et al. 89 (12): 2923 Data Supplement - Supplementary Figures -- Journal of General Virology

Journal of General Virology vol. 89, part 12, pp. 2923 - 2932

Supplementary Fig. S1. The presence of PA/PB1 heterodimers does not affect the activity of the purified WSN 3P complex [PDF] (47 KB)