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. 2010 Jan 9;14(2):185–192. doi: 10.1007/s00792-009-0297-4

Fig. 4.

Fig. 4

12% SDS PAGE gel (a) and corresponding activity gel overlay (b). M marker, lane 1 heat-treated PNPase preparation (95°C, 5 min); lane 2 non-heat-treated PNPase preparation. Arrows indicate the position of the monomer and the dimer