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Figure 2
Redox regulation. The residues previously identified as being important for redox regulation in Synechocystis sp. PCC 6803 (cyan) are Cys75 and Cys99, which are too far away to be involved in a disulfide bond in the current conformation. Cys75 and Cys84 are oxidized in both structures. In addition, Cys105 could potentially form a disulfide bond with Cys99 in the T. elongatus protein (dashed line, 4.8 Å). This Cys105 is not conserved and is a valine in the Synechocystis protein. Sedoheptulose-7-phosphate (S7P, green) is shown in the image to highlight the distance of these residues from the active site. The T. elongatus structure is shown as a ribbon (purple).

Journal logoSTRUCTURAL BIOLOGY
COMMUNICATIONS
ISSN: 2053-230X
Volume 71| Part 10| October 2015| Pages 1341-1345
doi:10.1107/S2053230X15016829
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