Current Protein Identity：Q04771
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| UNP | PDB | Protein and construct | Assembly | Composition class | Protein state | Molecular copy count | PDB declaration | Consistency status |
|---|---|---|---|---|---|---|---|---|
| Q04771 | 3h9r | Activin receptor type-1 Author chain A Reference sequence 172–499 | 1 | Protein heterocomplex | Heteromer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 3mtf | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 3mtf | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 3mtf | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 3mtf | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 3oom | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 3q4u | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 3q4u | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 3q4u | Activin receptor type-1 Author chain C Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 3q4u | Activin receptor type-1 Author chain D Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 3q4u | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 3q4u | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 3q4u | Activin receptor type-1 Author chain C Reference sequence 201–499 | 2 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 3q4u | Activin receptor type-1 Author chain D Reference sequence 201–499 | 2 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 3q4u | Activin receptor type-1 Author chain A Reference sequence 201–499 | 3 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 3q4u | Activin receptor type-1 Author chain B Reference sequence 201–499 | 3 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 3q4u | Activin receptor type-1 Author chain C Reference sequence 201–499 | 3 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 3q4u | Activin receptor type-1 Author chain D Reference sequence 201–499 | 3 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 4bgg | ACTIVIN RECEPTOR TYPE-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 4bgg | ACTIVIN RECEPTOR TYPE-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 4bgg | ACTIVIN RECEPTOR TYPE-1 Author chain C Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 4bgg | ACTIVIN RECEPTOR TYPE-1 Author chain D Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 4bgg | ACTIVIN RECEPTOR TYPE-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 4bgg | ACTIVIN RECEPTOR TYPE-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 4bgg | ACTIVIN RECEPTOR TYPE-1 Author chain C Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 4bgg | ACTIVIN RECEPTOR TYPE-1 Author chain D Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 4bgg | ACTIVIN RECEPTOR TYPE-1 Author chain A Reference sequence 201–499 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 4bgg | ACTIVIN RECEPTOR TYPE-1 Author chain B Reference sequence 201–499 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 4bgg | ACTIVIN RECEPTOR TYPE-1 Author chain C Reference sequence 201–499 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 4bgg | ACTIVIN RECEPTOR TYPE-1 Author chain D Reference sequence 201–499 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 4bgg | ACTIVIN RECEPTOR TYPE-1 Author chain A Reference sequence 201–499 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 4bgg | ACTIVIN RECEPTOR TYPE-1 Author chain B Reference sequence 201–499 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 4bgg | ACTIVIN RECEPTOR TYPE-1 Author chain C Reference sequence 201–499 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 4bgg | ACTIVIN RECEPTOR TYPE-1 Author chain D Reference sequence 201–499 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 4c02 | ACTIVIN RECEPTOR TYPE-1 Author chain A Reference sequence 172–499 | 1 | Protein heterocomplex | Heteromer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 4dym | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5oxg | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oxg | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oxg | Activin receptor type-1 Author chain C Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oxg | Activin receptor type-1 Author chain D Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oxg | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oxg | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oxg | Activin receptor type-1 Author chain C Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oxg | Activin receptor type-1 Author chain D Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oxg | Activin receptor type-1 Author chain A Reference sequence 201–499 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oxg | Activin receptor type-1 Author chain B Reference sequence 201–499 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oxg | Activin receptor type-1 Author chain C Reference sequence 201–499 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oxg | Activin receptor type-1 Author chain D Reference sequence 201–499 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oxg | Activin receptor type-1 Author chain A Reference sequence 201–499 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oxg | Activin receptor type-1 Author chain B Reference sequence 201–499 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oxg | Activin receptor type-1 Author chain C Reference sequence 201–499 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oxg | Activin receptor type-1 Author chain D Reference sequence 201–499 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oy6 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oy6 | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oy6 | Activin receptor type-1 Author chain C Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oy6 | Activin receptor type-1 Author chain D Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oy6 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oy6 | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oy6 | Activin receptor type-1 Author chain C Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oy6 | Activin receptor type-1 Author chain D Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oy6 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oy6 | Activin receptor type-1 Author chain B Reference sequence 201–499 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oy6 | Activin receptor type-1 Author chain C Reference sequence 201–499 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oy6 | Activin receptor type-1 Author chain D Reference sequence 201–499 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oy6 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oy6 | Activin receptor type-1 Author chain B Reference sequence 201–499 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oy6 | Activin receptor type-1 Author chain C Reference sequence 201–499 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5oy6 | Activin receptor type-1 Author chain D Reference sequence 201–499 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s75 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s75 | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s75 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s75 | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s76 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s76 | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s76 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s76 | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s77 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s77 | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s77 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s77 | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s78 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s78 | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s78 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s78 | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s79 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s79 | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s79 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s79 | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7a | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7a | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7a | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7a | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7b | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7b | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7b | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7b | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7c | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7c | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7c | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7c | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7d | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7d | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7d | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7d | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7e | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7e | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7e | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7e | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7f | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7f | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7f | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7f | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7g | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7g | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7g | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7g | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7h | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7h | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7h | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7h | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7i | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7i | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7i | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7i | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7j | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7j | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7j | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7j | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7k | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s7k | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s7l | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s7l | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s7m | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s7m | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s7n | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s7n | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s7o | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7o | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7o | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7o | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7p | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7p | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7p | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7p | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7q | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s7q | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s7r | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7r | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7r | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7r | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7s | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7s | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7s | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7s | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7t | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s7t | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s7u | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s7u | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s7v | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7v | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7v | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7v | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7w | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s7w | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s7x | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7x | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7x | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7x | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7y | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s7y | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s7z | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7z | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7z | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s7z | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s80 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s80 | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s80 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s80 | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s81 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s81 | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s82 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s82 | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s83 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s83 | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s84 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s84 | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s85 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s85 | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s86 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s86 | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s87 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s87 | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s87 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s87 | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s88 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s88 | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s88 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s88 | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s89 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s89 | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s89 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s89 | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 5s8a | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s8a | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s8b | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s8b | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s9k | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 5s9k | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 6acr | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6acr | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6acr | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6acr | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6eix | Activin receptor type-1 Author chain A Reference sequence 172–509 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6gi6 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6gin | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 6gin | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein homooligomer | Homooligomer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 6gip | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6i1s | Activin receptor type-1 Author chain A Reference sequence 172–499 | 1 | Protein heterocomplex | Heteromer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 6jux | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6srh | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6srh | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6srh | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6srh | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6szm | Activin receptor type I Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6szm | Activin receptor type I Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6szm | Activin receptor type I Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6szm | Activin receptor type I Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6t6d | Activin receptor type I Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6t6d | Activin receptor type I Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6t6d | Activin receptor type I Author chain C Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6t6d | Activin receptor type I Author chain D Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6t6d | Activin receptor type I Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6t6d | Activin receptor type I Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6t6d | Activin receptor type I Author chain C Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6t6d | Activin receptor type I Author chain D Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6t6d | Activin receptor type I Author chain A Reference sequence 201–499 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6t6d | Activin receptor type I Author chain B Reference sequence 201–499 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6t6d | Activin receptor type I Author chain C Reference sequence 201–499 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6t6d | Activin receptor type I Author chain D Reference sequence 201–499 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6t6d | Activin receptor type I Author chain A Reference sequence 201–499 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6t6d | Activin receptor type I Author chain B Reference sequence 201–499 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6t6d | Activin receptor type I Author chain C Reference sequence 201–499 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6t6d | Activin receptor type I Author chain D Reference sequence 201–499 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6t8n | Activin receptor type I Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6t8n | Activin receptor type I Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6t8n | Activin receptor type I Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6t8n | Activin receptor type I Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6tn8 | Activin receptor type I Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6unq | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6unr | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6uns | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6uns | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6uns | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6uns | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6z36 | Activin receptor type I Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6z36 | Activin receptor type I Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6z36 | Activin receptor type I Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6z36 | Activin receptor type I Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6zgc | Activin receptor type I Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6zgc | Activin receptor type I Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6zgc | Activin receptor type I Author chain C Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6zgc | Activin receptor type I Author chain D Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6zgc | Activin receptor type I Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6zgc | Activin receptor type I Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6zgc | Activin receptor type I Author chain C Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6zgc | Activin receptor type I Author chain D Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6zgc | Activin receptor type I Author chain A Reference sequence 201–499 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6zgc | Activin receptor type I Author chain B Reference sequence 201–499 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6zgc | Activin receptor type I Author chain C Reference sequence 201–499 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6zgc | Activin receptor type I Author chain D Reference sequence 201–499 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6zgc | Activin receptor type I Author chain A Reference sequence 201–499 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6zgc | Activin receptor type I Author chain B Reference sequence 201–499 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6zgc | Activin receptor type I Author chain C Reference sequence 201–499 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 6zgc | Activin receptor type I Author chain D Reference sequence 201–499 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 7a21 | Activin receptor type I Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 7a21 | Activin receptor type I Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 7a21 | Activin receptor type I Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 7a21 | Activin receptor type I Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 7c3g | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 7c3g | Activin receptor type-1 Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 7c3g | Activin receptor type-1 Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 7c3g | Activin receptor type-1 Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 7nns | Activin receptor type I Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 7yru | Activin receptor type-1 Author chain A Reference sequence 21–123 | 1 | Protein heterocomplex | Heteromer | Protein 3 | trimeric （3） | Consistent with protein count |
| Q04771 | 8c7w | Activin receptor type I Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 8c7z | Activin receptor type I Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 8pod | Activin receptor type-1 Author chain A Reference sequence 172–499 | 1 | Protein heterocomplex | Heteromer | Protein 2 | dimeric （2） | Consistent with protein count |
| Q04771 | 8r7g | Activin receptor type I Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 8r7g | Activin receptor type I Author chain B Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 8r7g | Activin receptor type I Author chain C Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 8r7g | Activin receptor type I Author chain D Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 8r7g | Activin receptor type I Author chain A Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 8r7g | Activin receptor type I Author chain B Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 8r7g | Activin receptor type I Author chain C Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 8r7g | Activin receptor type I Author chain D Reference sequence 201–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 8r7g | Activin receptor type I Author chain A Reference sequence 201–499 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 8r7g | Activin receptor type I Author chain B Reference sequence 201–499 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 8r7g | Activin receptor type I Author chain C Reference sequence 201–499 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 8r7g | Activin receptor type I Author chain D Reference sequence 201–499 | 3 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 8r7g | Activin receptor type I Author chain A Reference sequence 201–499 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 8r7g | Activin receptor type I Author chain B Reference sequence 201–499 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 8r7g | Activin receptor type I Author chain C Reference sequence 201–499 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 8r7g | Activin receptor type I Author chain D Reference sequence 201–499 | 4 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 8uwr | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 9d8e | Activin receptor type-1 Author chain A Reference sequence 172–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 9d8e | Activin receptor type-1 Author chain B Reference sequence 172–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 9d8e | Activin receptor type-1 Author chain A Reference sequence 172–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 9d8e | Activin receptor type-1 Author chain B Reference sequence 172–499 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 9d8f | Activin receptor type-1 Author chain A Reference sequence 193–509 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 9d8f | Activin receptor type-1 Author chain B Reference sequence 193–509 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 9d8f | Activin receptor type-1 Author chain A Reference sequence 193–509 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 9d8f | Activin receptor type-1 Author chain B Reference sequence 193–509 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 9d8z | Activin receptor type-1 Author chain A Reference sequence 178–509 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 9d8z | Activin receptor type-1 Author chain B Reference sequence 178–509 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 9d8z | Activin receptor type-1 Author chain A Reference sequence 178–509 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 9d8z | Activin receptor type-1 Author chain B Reference sequence 178–509 | 2 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 9l04 | Activin receptor type-1 Author chain A Reference sequence 201–499 | 1 | Protein monomer | Monomer | Protein 1 | monomeric （1） | Consistent with protein count |
| Q04771 | 9n4k | Activin receptor type-1 Author chain C Reference sequence 21–123 | 1 | Other combination | Heteromer | Protein 6 其他 2 | hexameric （6） | Consistent with protein count |
| Q04771 | 9n4k | Activin receptor type-1 Author chain D Reference sequence 21–123 | 1 | Other combination | Heteromer | Protein 6 其他 2 | hexameric （6） | Consistent with protein count |
| Q04771 | 9rda | Activin receptor type-1 Author chain A Reference sequence 172–498 | 1 | Protein heterocomplex | Heteromer | Protein 2 | dimeric （2） | Consistent with protein count |