... revealsassociation of increasing disease severity with emergence of novelhemagglutinin mutations. Cell Cycle 2010, 9:958-970.11. Bao Y, Bolotov P, Dernovoy D, Kiryutin B, Zaslavsky L, Tatusova T, ... The muta-tion is not in close vicinity (within 5 Angstroem) of PB1or PA in any currently known structure. 8 of 123 strains with PB2-K340N and HA sequence information in Gen-bank also have ... which is at a struc-tural position where the mutated sidechain is pointingaway from the functionally important cap binding site of the PB2 5’ cap snatching domain (Figure 3). The muta-tion is...