>sp|Q58740|GLNK2_METJA Nitrogen regulatory protein GlnK2 OS=Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440) OX=243232 GN=glnK2 PE=3 SV=1 MKKVEAIIRPEKLEIVKKALSDAGYVGMTVSEVKGRGVQGGIVERYRGREYIVDLIPKVK IELVVKEEDVDNVIDIICENARTGNPGDGKIFVIPVERVVRVRTKEEGRDVL