Figure 2
From: High level expression of bikunin in Pichia pastoris by fusion of human serum albumin
SDS-PAGE of the recombinant rh-UTI in different step of purification. S1, Chelating sepharose affinity chromatography; S2, Q sepharose F.F. anion exchange chromatography; S3, Chelating sepharose affinity chromatography after digested by enterokinase; SP sepharose F.F cation exchange chromatography.