Immunogen sequence: CSPNRKNPLW PSVPDPAHSS LGSWVPTIME EDAFQLPGLG TPPITKLTVL EEDEKKPVPW ESHNSSETCG LPTLVQTYVL QGDPRAVSTQ PQSQSGTSDQ V; Positive Samples: U-937, 293T; Cellular Location: Cell membrane, Single-pass type I membrane protein. CSF3R is the recept