>2CWK_1|Chains A, B|nucleoside-diphosphate kinase|Pyrococcus horikoshii (70601) MFQMSETERTLVIIKPDAVVRGLIGEIISRFEKKGLKIVGMKMIWIDRELAEKHYEEHREKPFFKALIDYITKTPVVVMVLEGRYAVEVVRKMAGATDPKDAAPGTIRGDFGLEVSDAICNVIHASDSKESAEREISLFFKPEELFEYPRAADWFYKKGI