>sp|A3DDC2|NDK_ACET2 Nucleoside diphosphate kinase OS=Acetivibrio thermocellus GN=ndk MERTLVILKPDSVKRKLVGEIISRFEKRNFTILHLKMMNIDRELACEHYSHVKDKPFFND MIDYITSGPVVVMVLSGYRVIEAVRSMVGATSNFDSKPGTIRGDYGYHRFENLIHASDSC ESAEIEIKRFFPELDS