We detected floor N on the two infected cells and non-contaminated neighboring cells24. N, like all N proteins, is highly positively charged, and binding of endogenous N and cell-derived or recombinant N to cells calls for heparan sulfate/heparin (highly negatively charged proteoglycan), as demonstrated by the abrogation of binding by https://titusddazw.blogdeazar.com/29763945/how-much-you-need-to-expect-you-ll-pay-for-a-good-magnetic-beads-for-dna-purification