RbcX can function as a Rubisco-chaperonin, but is non essential in Synechococcus PCC7942
In most cyanobacteria, the gene rbcX is co-transcribed with the rbcL and rbcS genes that code for the large and small subunits of ribulose-1,5- bisphosphate carboxylase/oxygenase (Rubisco). Previous co-expression studies in Escherichia coli of cyanobacterial Rubisco and RbcX have identified a chaperonin-like function for RbcX. The organization of the rbcLXS operon has, to a certain extent, precluded definitive gene function studies of rbcX in cyanobacteria. In Synechococcus PCC7942, however,...[Show more]
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