>tr|A6Q2R3|A6Q2R3_NITSB Histidine triad family protein OS=Nitratiruptor sp. (strain SB155-2) OX=387092 GN=NIS_0658 PE=4 SV=1
MCIFCKIVAGEIPSNKVLENEEFLAFHDINPKAPIHILIIPKHHVENFQSATPELMAKMT
PFIQEVAKVLELDKTGYRLITNNGKDGGQEVMHLHFHMLGGAPLKWPYQAIEDVAKKNM