>sp|Q14EA9|NS12_CVHN2 Non-structural protein 4 OS=Human coronavirus HKU1 (isolate N2) OX=443240 GN=4 PE=3 SV=1 MEVWRPSYKYSLITREFGVTDLEDLCFKYNYCQPCVGYCIVPLNVWCRKFGKFASYFVLR SHDTSHKNNFGVITSFTSYGNTVSEAVSKLVESASDFIAWRAEALNKYG