The nomenclature of the gap junction/connexin gene family has recently
been updated following discussions at the Gap Junction Conference (2007) in Elsinore, Denmark. If you have any comments concerning the nomenclature of this family please email us at hgnc@genenames.org.
| Approved Symbol | Approved Name | Previous Symbols | Aliases | Chromosome | Accession Numbers | RefSeq IDs | Mouse Ortholog |
| GJA1 | gap junction protein, alpha 1, 43kDa | ODDD, GJAL | CX43, ODD, ODOD, SDTY3 | 6q22-q23 | BC026329 | NM_000165 | MGI:95713 |
| GJA1P1 | gap junction protein, alpha 1, 43kDa pseudogene 1 | | | 5q21.3 | M65189 | NG_003029 | |
| GJA3 | gap junction protein, alpha 3, 46kDa | CZP3 | CX46 | 13q12.11 | AF075290 | NM_021954 | MGI:95714 |
| GJA4 | gap junction protein, alpha 4, 37kDa | | CX37 | 1p35.1 | M96789 | NM_002060 | MGI:95715 |
| GJA5 | gap junction protein, alpha 5, 40kDa | | CX40 | 1q21.1 | | NM_181703 | MGI:95716 |
| GJA6P | gap junction protein, alpha 6, pseudogene | | | Xp22 | | | MGI:95717 |
| GJA8 | gap junction protein, alpha 8, 50kDa | CAE1, CZP1, CAE | CX50 | 1q21.1 | U34802 | NM_005267 | MGI:99953 |
| GJA9 | gap junction protein, alpha 9, 59kDa | GJA10 | CX59, CX58 | 1p34 | AF179597 | NM_030772 | |
| GJA10 | gap junction protein, alpha 10, 62kDa | | CX62 | 6q15-q16 | AF296766 | NM_032602 | MGI:1339969 |
| GJB1 | gap junction protein, beta 1, 32kDa | CMTX1, CMTX | CX32 | Xq13.1 | X04325 | NM_000166 | MGI:95719 |
| GJB2 | gap junction protein, beta 2, 26kDa | DFNB1, DFNA3 | CX26, NSRD1 | 13q11-q12 | M86849 | | MGI:95720 |
| GJB3 | gap junction protein, beta 3, 31kDa | DFNA2, EKV | CX31 | 1p34 | BC012918 | NM_024009 | MGI:95721 |
| GJB4 | gap junction protein, beta 4, 30.3kDa | | CX30.3 | 1p35-p34 | | NM_153212 | MGI:95722 |
| GJB5 | gap junction protein, beta 5, 31.1kDa | | CX31.1 | 1p34.3 | BC004379 | NM_005268 | MGI:95723 |
| GJB6 | gap junction protein, beta 6, 30kDa | DFNA3, ED2 | EDH, HED, CX30 | 13q12 | AJ005585 | | MGI:107588 |
| GJB7 | gap junction protein, beta 7, 25kDa | | CX25, bA136M9.1 | 6q15 | AJ414563 | | |
| GJC1 | gap junction protein, gamma 1, 45kDa | GJA7 | CX45 | 17q21.31 | U03493 | NM_005497 | MGI:95718 |
| GJC2 | gap junction protein, gamma 2, 47kDa | GJA12 | CX47, CX46.6 | 1q41-q42 | AF014643 | NM_020435 | MGI:2153060 |
| GJC3 | gap junction protein, gamma 3, 30.2kDa | GJE1 | CX30.2 | 7q22.1 | AF503615 | NM_181538 | MGI:2153041 |
| GJD2 | gap junction protein, delta 2, 36kDa | GJA9 | CX36 | 15q13.1 | AB037509 | | MGI:1334209 |
| GJD3 | gap junction protein, delta 3, 31.9kDa | GJC1 | CX31.9, GJA11, Cx30.2 | 17q21.1 | AF514298 | | MGI:2384150 |
| GJD4 | gap junction protein, delta 4, 40.1kDa | | CX40.1, FLJ90023 | 10p11.22 | AJ414564 | NM_153368 | MGI:2444990 |
| GJE1 | gap junction protein, epsilon 1, 23kDa | | CX23, ENSG00000203733 | 6q24.1 | | | MGI:1923993 |