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Recently, a homologue of the small subunit of mammalian ribonucleotide reductase (RNR) was discovered, called p53R2. Unlike the well characterized S phase-specific RNR R2 protein, the new form was(More)
The R2 protein of class I ribonucleotide reductase (RNR) from Chlamydia trachomatis (Ct) can contain a Mn-Fe instead of the standard Fe-Fe cofactor. Ct R2 has a redox-inert phenylalanine replacing(More)