>sp|O83092|RIR2_TREPA Ribonucleoside-diphosphate reductase subunit beta OS=Treponema pallidum GN=nrdB MMESSTILQRRALFNEAGDIELHKRRMVGGNTTNLNDFNNMKYPWVSKWYRQAMNNFWIP EEINMSSDVQDYRNLSAIEKTAYDKILSFLIFLDSIQTANLPNIGQYITANEINLCLTIQ AFQEAVHSQSYSYMLDTICSPEERNDILYQWKDDEHLLARNKFIGNLYNEFQDDKSVLAL LKVAIANYVLEGIYFYSGFMFFYNLGRNNKMPGSVQEIRYINRDENTHLWLFRSIIQELQ KEEPQVFTARNVRLFRDMIREGCEQEIKWGDYVIGDQIPGLNRHMVADYIRYLGNLRCEN LGFEPLYEGHRVEPESMSWVSQYSNANLIKTDFFEAKSTAYAKSSAMVDDL