. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "ub2d2_human"^^ . "UBE2D2"^^ . "Ubiquitin-protein ligase D2"^^ . "Ubiquitin carrier protein D2"^^ . "Ubiquitin-conjugating enzyme E2(17)KB 2"^^ . "Ubiquitin-conjugating enzyme E2-17 kDa 2"^^ . "UBCH5B"^^ . "UBC4"^^ . "UBC5B"^^ . "UBCH4"^^ . . . . "Ubiquitin-conjugating enzyme E2 D2"^^ .