>tr|Q4J6V7|Q4J6V7_SULAC Ribonucleoside-diphosphate reductase OS=Sulfolobus acidocaldarius GN=Saci_2188 MKEKLLEFRSEGVIHKKFKATSVGYDWNTFPMKLYQIGKRLFWDPAKIDFSKDKEDWKKL SKDEKNYLLNIVSLFMAGEEAVAVDITPLISTMINEGRVEDVIYLEQFAFEEAKHAEAFR RFCDSLEINDDLTIFTTEYNPWYQKIFYEELPSVMWKLRVDPSPENLAVAVTTYNLYVEG VAAESGYKTFKHIFNSLNIMPGLSKTVNLIATDESRHIAYGTYLITRLIVENGESIYRKA IEQFNKLVGIVQSLTRPLAKLPFGLTPDFTIENRKQLVNARLTVIERALKMTPEQVKSFS PKDLGVIEEIKLDK