Fig. 2
From: Development and biological activity of long-acting recombinant human interferon-α2b
SDS-PAGE of purified IFN-1CTPON, IFN-2CTPON and identification of N-glycosylation. a SDS-PAGE of purified IFN-1CTPON. M, protein molecular size marker; lane 1, purified IFN-1CTPON. b SDS-PAGE of purified IFN-2CTPON. M, protein molecular size marker; lane 1, purified IFN-2CTPON. c SDS-PAGE of purified IFN-1CTPON and IFN-2CTPON digested with PNGase F. M, protein molecular size marker; lane 1, IFN-1CTPON; lane 2, IFN-1CTPON digested with PNGase F; lane 3, IFN-2CTPON; lane 4, IFN-2CTPON digested with PNGase F