HCoV-NL63 Spike Trimer, His Tag (SPN-H52H4) is expressed from human 293 cells (HEK293). It contains Phe 16 - Asn 1291 (Accession # Q 6Q1S2-1).The recombinant protein is expressed from human 293 cells (HEK293) with T4 fibritin trimerization motif and 1 * 500 µG