Table 1.
List of the 37 human ubiquitin-conjugating enzymes
| Gene | Synonyms | Accession no. | Locus | Protein | Number of amino acids | Family |
|---|---|---|---|---|---|---|
| UBE2K | HIP2, E2-25kDa, HYPG, LIG | NM_005339 | 4p14 | NP_005330 | 200 | 1 |
| UBE2A | HR6A | NM_003336 | Xq24-q25 | NP_003327 | 152 | 2 |
| UBE2B | HR6B | NM_003337 | 5q23-q31 | NP_003328 | 152 | 2 |
| UBE2G1 | E2-17K | NM_003342 | 17p13.2 | NP_003333 | 170 | 3 |
| UBE2G2 | NM_182688 | 21q22.3 | NP_872630 | 165 | 3 | |
| UBE2R1 | CDC34, E2-32kDa | NM_004359 | 19p13.3 | NP_004350 | 236 | 3 |
| UBE2R2 | FLJ20419, UBC3B | NM_017811 | 9p13.3 | NP_060281 | 238 | 3 |
| UBE2D1 | E2(17)KB1, SFT, UBC4/5, UBCH5, UbcH5a | NM_003338 | 10q11.2-q21 | NP_003329 | 147 | 4 |
| UBE2D2 | E2-17kDa2, UbcH5b | NM_003339 | 5q31.2 | NP_003330 | 147 | 4 |
| UBE2D3 | E2-17kDa3, UbcH5c | NM_181886 | 4q24 | NP_871615 | 147 | 4 |
| UBE2D4 | HBUCE1 | NM_015983 | 7p13 | NP_057067 | 147 | 4 |
| UBE2E1 | UBCH6 | NM_003341 | 3p24.2 | NP_003332 | 193 | 4 |
| UBE2E2 | UBCH8 | NM_152653 | 3p24.2 | NP_689866 | 201 | 4 |
| UBE2E3 | UBCH9 | NM_182678 | 2q32.1 | NP_872619 | 207 | 4 |
| UBE2U | NM_152489 | 1p31.3 | NP_689702 | 321 | 4 | |
| UBE2J1 | NCUBE1 | NM_016021 | 6q15 | NP_057105 | 318 | 5 |
| UBE2J2 | NCUBE2, UBC6p | NM_194315 | 1p36.33 | NP_919296 | 292 | 5 |
| UBE2H | UBCH2, E2-20k | NM_003344 | 7q32 | NP_003335 | 183 | 6 |
| UBE2I | SUMO1 conjugating enzyme | NM_194259 | 16p13.3 | NP_919235 | 158 | 7 |
| UBE2F | NCE2, MGC18120 | NM_080678 | 2q37.3 | NP_542409 | 185 | 8 |
| UBE2M | NEDD8 conjugating enzyme | NM_003969 | 19q13.43 | NP_003960 | 183 | 8 |
| UBE2N | NM_003348 | 12q22 | NP_003339 | 152 | 9 | |
| UBE2NL | UBE2Nlike | NM_001012989 | Xq27.3 | NP_001013007 | 153 | 9 |
| UBE2T | HSPC150 | NM_014176 | 1q32.1 | NP_054895 | 197 | 9 |
| UBE2V1 | CROC-1, UEV-1, Kua | NM_199203 | 20q13.2 | NP_954673 | 170 | 10 |
| UBE2V2 | DDVIT1, EDAF-1, EDPF-1, MMS2, UEV-2 | NM_003350 | 8q11.21 | NP_003341 | 145 | 10 |
| UBE2S | E2-24 kDa, E2-EPF | NM_014501 | 19q13.43 | NP_055316 | 222 | 11 |
| UBE2C | UBCH10 | NM_007019 | 20q13.12 | NP_008950 | 179 | 12 |
| UBE2W | NM_001001481 | 8q21.11 | NP_001001481 | 162 | 13 | |
| BIRC6 | NM_016252 | 2p22-p21 | NP_057336 | 4829 | 14 | |
| UBE2O | E2-230K | NM_022066 | 17q25.1 | NP_071349 | 1292 | 14 |
| UBE2Z | HOYS7 | NM_023079 | 17q21.32 | NP_075567 | 246 | 14 |
| UBE2L3 | UBCH7, L-UBC | NM_003347 | 22q11.21 | NP_003338 | 154 | 15 |
| UBE2L6 | RIG-B, UBCH8 (homonyme E2) | NM_004223 | 11q12 | NP_004214 | 153 | 15 |
| FTS | AKTIP | NM_001012398 | 16q12.2 | NP_001012398 | 293 | 16 |
| UBE2Q | UBE2Q1, NICE-5 | NM_017582 | 1q21.3 | NP_060052 | 422 | 17 |
| UBE2Q2 | UBCi | NM_173469 | 15q23 | NP_775740 | 375 | 17 |