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6kgy is a 4 chain structure with sequence from Escherichia coli BL21(DE3). Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
RCLA_ECOLI Probably involved in reactive chlorine species (RCS) stress resistance.[1]
References
↑ Parker BW, Schwessinger EA, Jakob U, Gray MJ. The RclR protein is a reactive chlorine-specific transcription factor in Escherichia coli. J Biol Chem. 2013 Nov 8;288(45):32574-32584. PMID:24078635 doi:10.1074/jbc.M113.503516