| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| Q6BER6 | Mediator of RNA polymerase II transcription subunit 21; CeSRB7; Mediator complex subunit 21; | mdt-21; | NP_001021184.1; | 130 | c.elegen |
| Q23679 | Mediator of RNA polymerase II transcription subunit 22; Mediator complex subunit 22; | mdt-22; | NP_496216.1; | 157 | c.elegen |
| Q10669 | Mediator of RNA polymerase II transcription subunit 23; Mediator complex subunit 23; Mediator complex subunit sur-2; | sur-2; mdt-23; | NP_001021463.1;NP_493575.2; | 1587 | c.elegen |
| Q9XUS2 | Mediator of RNA polymerase II transcription subunit 29; Mediator complex subunit 29; | mdt-29; | NP_499847.1; | 441 | c.elegen |
| P91869 | Mediator of RNA polymerase II transcription subunit 31; Mediator complex subunit 31; Mediator complex subunit soh-1; | mdt-31; soh-1; | NP_001250949.1; | 163 | c.elegen |
| Q23523 | Mediator of RNA polymerase II transcription subunit 4; Mediator complex subunit 4; | mdt-4; | NP_494905.2; | 334 | c.elegen |
| Q9N337 | Mediator of RNA polymerase II transcription subunit 6; CeMED6; Mediator complex subunit 6; c-MED6; MED-6; | mdt-6; med-6; | NP_504791.3; | 250 | c.elegen |
| Q95Q17 | Mediator of RNA polymerase II transcription subunit 7; CeMED7; MED-7; Lethal protein 49; Mediator complex subunit 7; | let-49; mdt-7 med-7; | NP_493585.1;NP_493586.1; | 251 | c.elegen |
| Q9U1W2 | Mediator of RNA polymerase II transcription subunit 8; Mediator complex subunit 8; | mdt-8; | NP_496463.2;NP_496464.2; | 297 | c.elegen |
| O44740 | Meiotic spindle formation protein 2; | mei-2; | NP_491894.1; | 280 | c.elegen |
| Q10664 | Dual specificity mitogen-activated protein kinase kinase mek-2; MAP kinase kinase mek-2; EC 2.7.12.2; | mek-2; | NP_491087.1; | 387 | c.elegen |
| Q94420 | Protein maternal effect lethal 26; | mel-26; | NP_492449.2; | 395 | c.elegen |
| Q09293 | Maternal effect lethal protein 47; Putative RNA-binding protein tudr-1; | mel-47; tudr-1; | NULL | 367 | c.elegen |
| O17237 | Protein melted homolog; | NULL | NP_493664.2; | 871 | c.elegen |
| Q21502 | MOG interacting and ectopic P-granules protein 1; Nuclear zinc finger protein; | mep-1; | NP_502173.2; | 870 | c.elegen |
| O17514 | Histone-lysine N-methyltransferase mes-2; EC 2.1.1.43; E(z) homolog; Maternal-effect sterile protein 2; | mes-2; | NP_496992.3; | 773 | c.elegen |
| Q10665 | Polycomb protein mes-3; Maternal-effect sterile protein 3; | mes-3; | NP_001021492.1; | 754 | c.elegen |
| Q9NH52 | Histone-lysine N-methyltransferase mes-4; EC 2.1.1.43; Maternal-effect sterile protein 4; | mes-4; | NP_506333.1; | 898 | c.elegen |
| Q9GYS1 | Polycomb protein mes-6; ESC homolog; Maternal-effect sterile protein 6; | mes-6; | NP_001021320.1; | 459 | c.elegen |
| Q09357 | Methyltransferase-like protein 16 homolog; EC 2.1.1.-; Methyltransferase 10 domain-containing protein; | mett-10; | NP_499247.2;NP_871660.1; | 479 | c.elegen |
