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. 1998 Mar;116(3):1151–1161. doi: 10.1104/pp.116.3.1151

Figure 7.

Figure 7

Purified recombinant Arabidopsis HSP21 is a large homo-oligomer. A, Coomassie blue-stained SDS-PAGE of recombinant HSP21 before and after purification. Lane 1, Lysate of E. coli cells expressing HSP21; lane 2, purified HSP21. B, Recombinant Arabidopsis HSP21 forms a 300-kD complex that comigrates with HSP21 from an E. coli lysate. Lane 1, Lysate of E. coli cells that do not express HSP21 (−); lane 2, lysate of E. coli cells expressing HSP21 (+); and lane 3, assembled HSP21 after purification (Pure) (indicated by arrowhead). Samples were separated by N-PAGE and the gel was stained with Coomassie blue. Numbers at left indicate molecular mass standards (in kilodaltons).