>1WKK_1|Chains A, B|nucleoside diphosphate kinase|Thermus thermophilus (274) MERTFVMIKPDGVRRGLVGEILARFERKGFRIAALKLMQISQELAERHYAEHREKPFFPGLVRFITSGPVVAMVLEGPGVVAEVRKMMGATHPKDALPGTIRGDFATTIDENVIHGSATLEDAQREIALFFRPEELL