| IPR020635 | Tyrosine-protein kinase, catalytic domain | Domain |
| IPR000719 | Protein kinase domain | Domain |
| IPR041381 | JAK1-3/TYK2, pleckstrin homology-like domain | Domain |
| IPR017441 | Protein kinase, ATP binding site | Binding Site |
| IPR036860 | SH2 domain superfamily | Homologous Superfamily |
| IPR001245 | Serine-threonine/tyrosine-protein kinase, catalytic domain | Domain |
| IPR051286 | Janus Kinase (JAK) | Family |
| IPR041046 | JAK, FERM F2 lobe domain | Domain |
| IPR019749 | Band 4.1 domain | Domain |
| IPR020693 | Tyrosine-protein kinase, non-receptor Jak2 | Family |
| IPR035860 | Tyrosine-protein kinase JAK2, SH2 domain | Domain |
| IPR037838 | JAK2, FERM domain C-lobe | Domain |
| IPR000299 | FERM domain | Domain |
| IPR016251 | Tyrosine-protein kinase, non-receptor Jak/Tyk2 | Family |
| IPR008266 | Tyrosine-protein kinase, active site | Active Site |
| IPR019748 | FERM central domain | Domain |
| IPR035963 | FERM superfamily, second domain | Homologous Superfamily |
| IPR000980 | SH2 domain | Domain |
| IPR011993 | PH-like domain superfamily | Homologous Superfamily |
| IPR035588 | Janus kinase 2, pseudokinase domain | Domain |
| IPR035589 | Janus kinase 2, catalytic domain | Domain |
| IPR011009 | Protein kinase-like domain superfamily | Homologous Superfamily |
| IPR041155 | FERM F1 lobe ubiquitin-like domain | Domain |
| IPR015152 | Growth hormone/erythropoietin receptor, ligand binding | Domain |
| IPR025871 | Growth hormone-binding protein | Domain |
| IPR013783 | Immunoglobulin-like fold | Homologous Superfamily |
| IPR003961 | Fibronectin type III | Domain |
| IPR003528 | Long hematopoietin receptor, single chain, conserved site | Conserved Site |
| IPR036116 | Fibronectin type III superfamily | Homologous Superfamily |