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ribosomal protein L31 This family consists exclusively of bacterial (and organellar) 50S ribosomal protein L31. In some species, such as Bacillus subtilis, this protein exists in two forms (RpmE and YtiA), one of which (RpmE) contains a pair of motifs, CXC and CXXC, for binding zinc. [Protein synthesis, Ribosomal proteins: synthesis and modification]
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