| Index | Gene Name Primary | Uniprot ID | Protein Name | Gene Name Synonym | PDB codes |
| 1 | ENPP2 | Q13822 | Ectonucleotide pyrophosphatase/phosphodiesterase family member 2 | ATX PDNP2 | 4zg6 4zg7 4zg9 4zga 5hrt 5kxa 5m7m 5mhp 5ohi 5lia 3wav 3waw 5l0b 5olb 5m0e 3way 3wax |
| 2 | ENPP3 | O14638 | Ectonucleotide pyrophosphatase/phosphodiesterase family member 3 | PDNP3 | 6c01 6c02 |
| 3 | ENPP4 | Q9Y6X5 | Bis(5'-adenosyl)-triphosphatase ENPP4 | KIAA0879 NPP4 | 4lqy 4lr2 |
| 4 | ENPP5 | Q9UJA9 | Ectonucleotide pyrophosphatase/phosphodiesterase family member 5 | | 5vem |
| 5 | ENPP7 | Q6UWV6 | Ectonucleotide pyrophosphatase/phosphodiesterase family member 7 | | 5tcd 5udy |