>sp|O26358|NDK_METTH Nucleoside diphosphate kinase OS=Methanothermobacter thermautotrophicus GN=ndk MEKSFVMLKPDAVKRRLAGRIIARFEDRGLKIVAFKMLQIPEDLAMEHYQEHREKPFFRD LVDYITSAPVIAMVIEGKDCISLIRKMVGATNPAEADLGTIRGDFALETGRNIIHASDSP ESAEREIKLFFDESEICSYEMPDREMIYEE