| IPR013783 | Immunoglobulin-like fold | Homologous Superfamily |
| IPR003529 | Long hematopoietin receptor, Gp130 family 2, conserved site | Conserved Site |
| IPR050379 | Type I Cytokine Receptor | Family |
| IPR010457 | Immunoglobulin C2-set-like, ligand-binding | Domain |
| IPR015321 | Type I cytokine receptor, cytokine-binding domain | Domain |
| IPR003961 | Fibronectin type III | Domain |
| IPR036116 | Fibronectin type III superfamily | Homologous Superfamily |
| IPR036179 | Immunoglobulin-like domain superfamily | Homologous Superfamily |
| IPR003961 | Fibronectin type III | Domain |
| IPR003530 | Long hematopoietin receptor, soluble alpha chain, conserved site | Conserved Site |
| IPR013783 | Immunoglobulin-like fold | Homologous Superfamily |
| IPR003599 | Immunoglobulin domain subtype | Domain |
| IPR007110 | Immunoglobulin-like domain | Domain |
| IPR050379 | Type I Cytokine Receptor | Family |
| IPR036116 | Fibronectin type III superfamily | Homologous Superfamily |
| IPR020412 | Interleukin-11, mammalian | Family |
| IPR020438 | Interleukin-11 | Family |
| IPR009079 | Four-helical cytokine-like, core | Homologous Superfamily |