| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P15396 | Ectonucleotide pyrophosphatase/phosphodiesterase family member 3; E-NPP 3; Phosphodiesterase I beta; PD-Ibeta; Phosphodiesterase I/nucleotide pyrophosphatase 3; CD antigen CD203c; EC 3.6.1.9; EC 3.1.4.1; NPPase; | ENPP3; | NP_001069391.1; | 874 | cow |
| A2VDP5 | Bis(5'-adenosyl)-triphosphatase ENPP4; EC 3.6.1.29; AP3A hydrolase; AP3Aase; Ectonucleotide pyrophosphatase/phosphodiesterase family member 4; E-NPP 4; NPP-4; | ENPP4; | NP_001075004.1;XP_005223523.1; | 453 | cow |
| F1N5C8 | Ectonucleotide pyrophosphatase/phosphodiesterase family member 6; E-NPP 6; NPP-6; EC 3.1.4.-; EC 3.1.4.38; Choline-specific glycerophosphodiester phosphodiesterase; Glycerophosphocholine choline phosphodiesterase; GPC-Cpde; | ENPP6; | XP_005197234.1;XP_005226063.1; | 445 | cow |
| P68210 | Alpha-endosulfine; ARPP-19e; | ENSA; | NP_776475.1; | 121 | cow |
| P98072 | Enteropeptidase; EC 3.4.21.9; Enterokinase; Serine protease 7; Transmembrane protease serine 15; [Cleaved into: Enteropeptidase non-catalytic heavy chain; Enteropeptidase catalytic light chain]; | TMPRSS15; ENTK PRSS7; | NP_776864.1; | 1035 | cow |
| O18956 | Ectonucleoside triphosphate diphosphohydrolase 1; NTPDase 1; EC 3.6.1.5; Ecto-ATP diphosphohydrolase 1; Ecto-ATPDase 1; Ecto-ATPase 1; Ecto-apyrase; Lymphoid cell activation antigen; CD antigen CD39; | ENTPD1; CD39; | NP_776961.1; | 513 | cow |
| E1BPW0 | Ectonucleoside triphosphate diphosphohydrolase 5; NTPDase 5; EC 3.6.1.6; Guanosine-diphosphatase ENTPD5; GDPase ENTPD5; EC 3.6.1.42; Uridine-diphosphatase ENTPD5; UDPase ENTPD5; | ENTPD5; | NULL | 432 | cow |
| A0JND9 | Ectonucleoside triphosphate diphosphohydrolase 8; E-NTPDase 8; NTPDase 8; NTPDase8; EC 3.6.1.5; | ENTPD8; | NP_001071395.1; | 495 | cow |
| Q3ZBJ0 | Transcription and mRNA export factor ENY2; Enhancer of yellow 2 transcription factor homolog; | ENY2; | NP_001029919.1; | 101 | cow |
| A0JND3 | EGF domain-specific O-linked N-acetylglucosamine transferase; EC 2.4.1.255; Extracellular O-linked N-acetylglucosamine transferase; | EOGT; AER61; | NP_001071350.1;XP_005222695.1;XP_005222696.1;XP_005222697.1;XP_005222698.1; | 527 | cow |
| O46510 | Erythrocyte membrane protein band 4.2; Erythrocyte protein 4.2; P4.2; | EPB42; BEP42; | NP_776737.1; | 687 | cow |
| Q3T0L5 | Epithelial cell adhesion molecule; Ep-CAM; Tumor-associated calcium signal transducer 1; CD antigen CD326; | EPCAM; TACSTD1; | NP_001030367.1; | 314 | cow |
| Q28105 | Endothelial protein C receptor; Activated protein C receptor; APC receptor; Endothelial cell protein C receptor; CD antigen CD201; | PROCR; EPCR; | NP_776862.1;XP_005214551.1; | 241 | cow |
| A6QLI0 | Mammalian ependymin-related protein 1; MERP-1; | EPDR1; MERP1; | NP_001095758.1; | 236 | cow |
| A7Z035 | Clathrin interactor 1; Epsin-4; | CLINT1; EPN4; | NP_001098887.1; | 643 | cow |
| P48617 | Erythropoietin; | EPO; | NP_776334.1; | 192 | cow |
| Q17QM4 | Ethanolaminephosphotransferase 1; EC 2.7.8.1; Selenoprotein I; SelI; | EPT1; SELI; | NP_001068725.2; | 397 | cow |
| P79119 | Epiphycan; Dermatan sulfate proteoglycan 3; Proteoglycan-Lb; PG-Lb; Small chondroitin/dermatan sulfate proteoglycan; | EPYC; DSPG3 PGLB; | NP_776732.1; | 321 | cow |
| A3KMX0 | DNA excision repair protein ERCC-6-like 2; EC 3.6.4.-; | ERCC6L2; | NULL | 1558 | cow |
| A5PK43 | GTPase Era, mitochondrial; ERA-like protein 1; | ERAL1; | NP_001092492.1; | 437 | cow |
