NME2 is a symbol for the gene, NME/NM23 nucleoside diphosphate kinase 2, in humans. Other names include: Nucleoside diphosphate kinase B; NDK B; NDP kinase B; C-myc purine-binding transcription factor PUF; Histidine protein kinase NDKB; nm23-H2; NDKB; NDPK-B; NDPKB; NM23B; PUF. The encoded protein is an enzyme with an amino acid length of 152 and a mass of 17.3 kDa. NME2 is a member of the NDK family. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Frog, Chicken.