>6QRZ_1|Chain A|Ribonucleoside-diphosphate reductase|Sulfolobus acidocaldarius DSM 639 (330779) MAHHHHHHVDDDDKMKEKLLEFRSEGVIHKKFKATSVGYDWNTFPMKLYQIGKRLFWDPAKIDFSKDKEDWKKLSKDEKNYLLNIVSLFMAGEEAVAVDITPLISTMINEGRVEDVIYLEQFAFEEAKHAEAFRRFCDSLEINDDLTIFTTEYNPWYQKIFYEELPSVMWKLRVDPSPENLAVAVTTYNLYVEGVAAESGYKTFKHIFNSLNIMPGLSKTVNLIATDESRHIAYGTYLITRLIVENGESIYRKAIEQFNKLVGIVQSLTRPLAKLPFGLTPDFTIENRKQLVNARLTVIERALKMTPEQVKSFSPKDLGVIEEIKLDK