| 2HZ6 | e2hz6A1 | 5.1.12 | beta-propeller-like | beta-propeller | PERK and Ire1 luminal domains | PQQ_2 |
| 3P23 | e3p23D1 | 206.1.1 | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase | Pkinase |
| e3p23B1 | 206.1.1 | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase | Pkinase |
| e3p23A1 | 206.1.1 | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase | Pkinase |
| e3p23C1 | 206.1.1 | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase | Pkinase |
| e3p23D2 | 601.7.1 | Four-helical up-and-down bundle | HEPN | Nucleotidyltransferase substrate binding subunit/domain | HepT-like |
| e3p23B2 | 601.7.1 | Four-helical up-and-down bundle | HEPN | Nucleotidyltransferase substrate binding subunit/domain | HepT-like |
| e3p23A2 | 601.7.1 | Four-helical up-and-down bundle | HEPN | Nucleotidyltransferase substrate binding subunit/domain | HepT-like |
| e3p23C2 | 601.7.1 | Four-helical up-and-down bundle | HEPN | Nucleotidyltransferase substrate binding subunit/domain | HepT-like |
| 4U6R | e4u6rA1 | 206.1.1 | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase | Pkinase |
| e4u6rA2 | 601.7.1 | Four-helical up-and-down bundle | HEPN | Nucleotidyltransferase substrate binding subunit/domain | HepT-like |
| 4YZ9 | e4yz9A1 | 206.1.1 | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase | Pkinase |
| e4yz9B1 | 206.1.1 | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase | Pkinase |
| e4yz9C2 | 206.1.1 | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase | Pkinase |
| e4yz9A2 | 601.7.1 | Four-helical up-and-down bundle | HEPN | Nucleotidyltransferase substrate binding subunit/domain | HepT-like |
| e4yz9B2 | 601.7.1 | Four-helical up-and-down bundle | HEPN | Nucleotidyltransferase substrate binding subunit/domain | HepT-like |
| e4yz9C1 | 601.7.1 | Four-helical up-and-down bundle | HEPN | Nucleotidyltransferase substrate binding subunit/domain | HepT-like |
| 4YZC | e4yzcA2 | 206.1.1 | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase | Pkinase |
| e4yzcB1 | 206.1.1 | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase | Pkinase |
| e4yzcA1 | 601.7.1 | Four-helical up-and-down bundle | HEPN | Nucleotidyltransferase substrate binding subunit/domain | HepT-like |
| e4yzcB2 | 601.7.1 | Four-helical up-and-down bundle | HEPN | Nucleotidyltransferase substrate binding subunit/domain | HepT-like |
| 4YZD | e4yzdA1 | 206.1.1 | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase | Pkinase |
| e4yzdB2 | 206.1.1 | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase | Pkinase |
| e4yzdC2 | 206.1.1 | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase | Pkinase |
| e4yzdA2 | 601.7.1 | Four-helical up-and-down bundle | HEPN | Nucleotidyltransferase substrate binding subunit/domain | HepT-like |
| e4yzdB1 | 601.7.1 | Four-helical up-and-down bundle | HEPN | Nucleotidyltransferase substrate binding subunit/domain | HepT-like |
| e4yzdC1 | 601.7.1 | Four-helical up-and-down bundle | HEPN | Nucleotidyltransferase substrate binding subunit/domain | HepT-like |
| 4Z7G | e4z7gA1 | 206.1.1 | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase | Pkinase |
| e4z7gB2 | 206.1.1 | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase | Pkinase |
| e4z7gA2 | 601.7.1 | Four-helical up-and-down bundle | HEPN | Nucleotidyltransferase substrate binding subunit/domain | HepT-like |
| e4z7gB1 | 601.7.1 | Four-helical up-and-down bundle | HEPN | Nucleotidyltransferase substrate binding subunit/domain | HepT-like |
| 4Z7H | e4z7hA2 | 206.1.1 | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase | Pkinase |
| e4z7hB2 | 206.1.1 | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase | Pkinase |
| e4z7hA1 | 601.7.1 | Four-helical up-and-down bundle | HEPN | Nucleotidyltransferase substrate binding subunit/domain | HepT-like |
| e4z7hB1 | 601.7.1 | Four-helical up-and-down bundle | HEPN | Nucleotidyltransferase substrate binding subunit/domain | HepT-like |
| 5HGI | e5hgiA1 | 206.1.1 | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase | Pkinase |
| e5hgiA2 | 601.7.1 | Four-helical up-and-down bundle | HEPN | Nucleotidyltransferase substrate binding subunit/domain | HepT-like |
| 6HV0 | e6hv0A1 | 206.1.1 | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase | Pkinase |
| e6hv0A2 | 601.7.1 | Four-helical up-and-down bundle | HEPN | Nucleotidyltransferase substrate binding subunit/domain | HepT-like |
| 6HX1 | e6hx1A2 | 206.1.1 | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase | Pkinase |
| e6hx1A1 | 601.7.1 | Four-helical up-and-down bundle | HEPN | Nucleotidyltransferase substrate binding subunit/domain | HepT-like |
| 6SHC | e6shcA1 | 5.1.12 | beta-propeller-like | beta-propeller | PERK and Ire1 luminal domains | PQQ_2 |
| 6URC | e6urcA2 | 206.1.1 | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase | Pkinase |
| e6urcB2 | 206.1.1 | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase/SAICAR synthase/ATP-grasp | Protein kinase | Pkinase |
| e6urcA1 | 601.7.1 | Four-helical up-and-down bundle | HEPN | Nucleotidyltransferase substrate binding subunit/domain | HepT-like |
| e6urcB1 | 601.7.1 | Four-helical up-and-down bundle | HEPN | Nucleotidyltransferase substrate binding subunit/domain | HepT-like |