>sp|P55983|RIR2_HELPY Ribonucleoside-diphosphate reductase subunit beta OS=Helicobacter pylori GN=nrdB MEVSRKKIYNPNSTESVNERKIFGGNPTSMFDLNKIKYQWADHLWKTMLANTWFAEEVSM NDDKRDYLKLSAEEKIGYDRALAQLIFMDSLQANNLIDNINPFITSPEINLCLVRQAYEE ALHSHAYAVMVESISANTEEIYDMWRNDMQLKSKNDYIAQVYMELAKNPTEENILKALFA NQILEGIYFYSGFSYFYTLARSGKMLGSAQMIRFIQRDEVTHLILFQNMINALRNERADL FTPQLINEVIGMFKKAVEIEALWGDYITQGKILGLTSSLIEQYIQFLADSRLSKVGIAKV YGVQHPIKWVESFSSFNEQRSNFFEARVSNYAKGSVSFDDF