>sp|C3N7P6|NDK_SULIY Nucleoside diphosphate kinase OS=Sulfolobus islandicus GN=ndk MVMQRTFVMIKPDGVKRGLIGEIISRFEKRGLKIVSLKMVKMSRDIAEKLYDEHKGKSFF EELVNYVTSGPVVCMVIEGDDVVQVIRRMIGNTDPKEAPPGTIRGDYALSKSENVIHASD SIEKAQREMSLFFDKSDL