Fig. 2. SDS-PAGE analysis of AKR (a) and SDR (b) from Rosetta-gami™ B(DE3)pLysS
following purification. Key: M: Pierce prestained protein molecular weight marker. L:
Cell lysate (supernatant). F: Flow through. W1: 1st Wash with binding buffer containing 20 mM IMD. W2: 2nd Wash with binding buffer containing 50 mM IMD. E1-5:
Elution by 1e5 ml of elution buffer.