Bat coronavirus HKU3 (BtCoV) (SARS-like coronavirus HKU3) Spike Trimer, His Tag (SPN-B52H7) is expressed from human 293 cells (HEK293) with T4 fibritin trimerization motif and a polyhistidine tag at the C-terminus. It contains AA Lys 14 - Pro 1182 (Accession # Q3LZX1 (R654A, KV955-956PP)).