>tr|Q0ZJ84|Q0ZJ84_CVHK1 Nonstructural protein 4 OS=Human coronavirus HKU1 GN=orf4 MDVWRPSYTHSLVIREFGVTNLEDLCLKYNYCQPIVGYCIVPLNVWCRKFGKFASHFTLR SHDISHSNNFGVVTSFTTYGNTVSEAVSRLVESASEFIVWRAEALNKYG