Recombinant Protein;1MG;Porcine FCGRT&B2M Heterodimer Protein, His Tag&Strep II Tag (SPR verified) (FCM-P5280) is expressed from human 293 cells (HEK293). It contains AA Asp 16 - Ser 289 (FCGRT) & Val 21 - His 118 (B2M) (Accession # Q6XAV9-1 (FCGRT) & Q07717-1 (B2M)).;Porcine FCGRT&B2M Heterodimer Protein, His Tag&Strep II Tag (SPR verified), produced by co-expression of FCGRT and B2M, has a calculated MW of 32.3 kDa (FCGRT) and 12.8 kDa (B2M). Subunit FCGRT is fused with a polyhistidine tag at the C-terminus and subunit Beta-2 microglobulin (B2M) is fused with a Strep II tag at the C-terminus. The reducing (R) protein migrates as 36 kDa (FCGRT) and 15 kDa (B2M) respectively.;Porcine FCGRT&B2M Heterodimer Protein, His Tag&Strep II Tag (SPR verified) (Cat. No. FCM-P5280) captured on CM5 Chip via anti-His antibody can bind Herceptin with an affinity constant of 10.2 nM as determined in SPR assay (Biacore T200) (QC tested).