| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species | 
| O76767 | ER lumen protein-retaining receptor; | KdelR; Erd2; | NP_477296.1;NP_723586.1;NP_723587.1; | 212 | fruit fly | 
| Q9VPH7 | Eukaryotic peptide chain release factor subunit 1; Eukaryotic release factor 1; eRF1; | eRF1; | NP_649210.1;NP_730517.1;NP_730518.1;NP_730519.1;NP_730520.1;NP_788547.1; | 438 | fruit fly | 
| P40417 | Mitogen-activated protein kinase ERK-A; EC 2.7.11.24; Extracellular-regulated kinase A; Protein rolled; | rl; ERKa; | NP_001015121.3;NP_001015122.1;NP_001015123.1;NP_001104348.2;NP_001104349.1;NP_001287635.1; | 376 | fruit fly | 
| Q9V3A6 | Ero1-like protein; EC 1.8.4.-; Endoplasmic reticulum oxidoreductin-1-like protein; | Ero1L; | NP_647865.2; | 483 | fruit fly | 
| Q24337 | Protein enhancer of rudimentary; | e(r); | NP_001259363.1;NP_001259364.1;NP_001259365.1;NP_524662.1;NP_727293.1; | 104 | fruit fly | 
| P25932 | Protein escargot; Protein fleabag; | esg; flg; | NP_476600.1; | 470 | fruit fly | 
| Q24338 | Polycomb protein esc; Protein extra sex combs; | esc; | NP_477431.1; | 425 | fruit fly | 
| O97176 | Enhancer of split M1 protein; E(spl)m1; Kazal-type protease inhibitor m1; | Kaz-m1; m1; | NP_001262980.1;NP_524507.1; | 156 | fruit fly | 
| O97177 | Enhancer of split M2 protein; E(spl)m2; | m2; | NP_524508.1; | 218 | fruit fly | 
| Q01068 | Enhancer of split m3 protein; E(spl)m3; HLH-m3; | HLHm3; | NP_524509.2; | 224 | fruit fly | 
| P13095 | Enhancer of split m4 protein; E(spl)m4; | m4; | NP_524510.1; | 152 | fruit fly | 
| P13096 | Enhancer of split m5 protein; E(spl)m5; | HLHm5; | NP_524511.1; | 178 | fruit fly | 
| O97179 | Enhancer of split m6 protein; E(spl)m6; | m6; | NP_524512.2; | 70 | fruit fly | 
| P13097 | Enhancer of split m7 protein; E(spl)m7; | HLHm7; | NP_536753.1; | 186 | fruit fly | 
| P13098 | Enhancer of split m8 protein; E(spl)m8; | E(spl); m8; | NP_524513.1; | 179 | fruit fly | 
| O97178 | Enhancer of split malpha protein; E(spl)malpha; | malpha; | NP_524506.1; | 138 | fruit fly | 
| Q01069 | Enhancer of split mbeta protein; E(spl)mbeta; HLH-mbeta; Split locus enhancer protein mA; | HLHmbeta; | NP_524505.2; | 195 | fruit fly | 
| Q01070 | Enhancer of split mgamma protein; E(spl)mgamma; Split locus enhancer protein mB; | HLHmgamma; | NP_524504.2; | 205 | fruit fly | 
| Q01071 | Enhancer of split mdelta protein; E(spl)mdelta; HLH-mdelta; Split locus enhancer protein mC; | HLHmdelta; | NP_524503.2; | 173 | fruit fly | 
| Q9U1I1 | Protein espinas; | esn; | NP_524990.1;NP_724533.1; | 785 | fruit fly | 
