Fig. 5From: Mercury removal by engineered Escherichia coli cells expressing different rice metallothionein isoformsThe comparison between UV absorption spectra of Hg2+/OsMT1, Hg2/OsMT2, Hg2+/OsMT3, and Hg2+/OsMT4 (solid lines) with their corresponding apo forms (dashed lines). The arrows show increase in absorptionBack to article page