3.1.1.82	-	
3.1.1.82	expressed in Escherichia coli as a His-tagged fusion protein	
3.1.1.82	PPD type 1	
3.1.1.82	PPD type 2	
3.1.1.82	recombinant PPD is produced using a glutathione S-transferase (GST) fusion system. The PPD and GST genes are fused to a pGEX-2T vector and expressed in Escherichia coli BL21(DE3)pLysS strain under the control of a T7 promoter as a fusion protein