| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P61085 | Ubiquitin-conjugating enzyme E2 K; EC 6.3.2.19; Huntingtin-interacting protein 2; HIP-2; Ubiquitin carrier protein; Ubiquitin-conjugating enzyme E2-25 kDa; Ubiquitin-conjugating enzyme E2(25K); Ubiquitin-conjugating enzyme E2-25K; Ubiquitin-protein ligase癷? | UBE2K; HIP2; | NP_776505.1; | 200 | cow |
| Q0P5K3 | Ubiquitin-conjugating enzyme E2 N; EC 6.3.2.19; Ubiquitin carrier protein N; Ubiquitin-protein ligase N; | UBE2N; | NP_001069726.1; | 152 | cow |
| Q1RML1 | Ubiquitin-conjugating enzyme E2 S; EC 6.3.2.19; Ubiquitin carrier protein S; Ubiquitin-protein ligase S; | UBE2S; | NP_001069940.1; | 223 | cow |
| Q32LD2 | Ubiquitin-conjugating enzyme E2 T; EC 6.3.2.19; Ubiquitin carrier protein T; Ubiquitin-protein ligase T; | UBE2T; | NP_001033123.1;XP_005217388.1; | 195 | cow |
| A6H795 | Ubiquitin-conjugating enzyme E2 W; EC 6.3.2.19; N-terminus-conjugating E2; Ubiquitin carrier protein W; Ubiquitin-protein ligase W; | UBE2W; | NP_001092592.1; | 151 | cow |
| Q1JQA1 | E3 ubiquitin-protein ligase E3D; EC 6.3.2.-; UbcH10-binding protein with a HECT-like domain; Ubiquitin-conjugating enzyme E2C-binding protein; | UBE3D; H10BH UBE2CBP; | NP_001069179.1; | 389 | cow |
| A5PKG6 | Ubiquitin conjugation factor E4 A; EC 6.3.2.-; | UBE4A; | NP_001092469.1; | 1067 | cow |
| P62865 | Ubiquitin-like protein FUBI; | FAU; | NP_777156.1; | 74 | cow |
| Q2TA46 | Ubiquitin-like protein 3; Membrane-anchored ubiquitin-fold protein; MUB; | UBL3; | NP_001033233.1; | 117 | cow |
| Q2T9Q2 | Ubiquitin-like protein 4B; | UBL4B; | NP_001074203.1; | 165 | cow |
| Q3T0Z3 | Ubiquitin-like protein 5; | UBL5; | NP_001032799.1; | 73 | cow |
| Q2KIS3 | Ubiquitin-like protein 7; | UBL7; | NULL | 380 | cow |
| E1B7L7 | Ubinuclein-2; | UBN2; | XP_005205927.1; | 1330 | cow |
| A5PJS6 | Ubiquitin carboxyl-terminal hydrolase 10; EC 3.4.19.12; Deubiquitinating enzyme 10; Ubiquitin thioesterase 10; Ubiquitin-specific-processing protease 10; | USP10; | NP_001092394.1; | 800 | cow |
| A5D9H7 | Ubiquitin carboxyl-terminal hydrolase 12; EC 3.4.19.12; Deubiquitinating enzyme 12; Ubiquitin thioesterase 12; Ubiquitin-specific-processing protease 12; | USP12; | NP_001091528.1; | 369 | cow |
| E1BMF7 | Ubiquitin carboxyl-terminal hydrolase 13; EC 3.4.19.12; Deubiquitinating enzyme 13; Ubiquitin thioesterase 13; Ubiquitin-specific-processing protease 13; | USP13; | NP_001178195.1; | 863 | cow |
| Q0IIF7 | Ubiquitin carboxyl-terminal hydrolase 14; EC 3.4.19.12; Deubiquitinating enzyme 14; Ubiquitin thioesterase 14; Ubiquitin-specific-processing protease 14; | USP14; | NP_001068657.1; | 494 | cow |
| Q2HJE4 | Ubiquitin carboxyl-terminal hydrolase 15; EC 3.4.19.12; Deubiquitinating enzyme 15; Ubiquitin thioesterase 15; Ubiquitin-specific-processing protease 15; | USP15; | NP_001039895.1; | 952 | cow |
| Q08DA3 | Ubiquitin carboxyl-terminal hydrolase 16; EC 3.4.19.12; Deubiquitinating enzyme 16; Ubiquitin thioesterase 16; Ubiquitin-specific-processing protease 16; | USP16; | NP_001070335.1; | 826 | cow |
| Q29RP1 | Ubiquitin carboxyl-terminal hydrolase 1; EC 3.4.19.12; Deubiquitinating enzyme 1; Ubiquitin thioesterase 1; Ubiquitin-specific-processing protease 1; | USP1; | NP_001039689.1; | 783 | cow |
