>sp|A7I644|NDK_METB6 Nucleoside diphosphate kinase OS=Methanoregula boonei GN=ndk MDRTFVMIKPDGVQRGQVGGIVSRFEAKGLKLVAARFEVLPESRVIEQYQEHLSKPFFPS LKSYIRGGPCFLMVWEGRNVVAIVRKMIGATNPQEAAPGTIRGDFGIDIGRNVIHASDSP ESAAREIGIHFKPAELFAYTRVDESVVYEY