Human / Cynomolgus / Rhesus macaque ROR1 (308-395, Kringle domain), His Tag (RO1-H5223) is expressed from human 293 cells (HEK293). It contains AA Asn 308 - Asp 395 (Accession # Q01973-1). In the region Gln 30 - Glu 403, the AA sequence of Human, Cynomolgus and Rhesus macaque ROR1 are homologus.