Table 2.

Summary of purification step for recombinant human HSA- eTGFBR2.

Step	Total protein(mg)	HSA-eTGFBR2(mg)	Recovery rate(%)	Purity(%)
Crude supernatants	500	180	100	36
Blue Sepharose Chromatography	200	123	68	61.5
Q Sepharose Chromatography	77	70	38.9	>90

Estimated by BCA protein assay, ELISA and coomassie blue-stained SDS–PAGE gel.