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Class: Small proteins (3458)
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Fold: Snake toxin-like (152)
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Superfamily: Snake toxin-like (152)
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Family: Extracellular domain of cell surface receptors (39)
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Protein domain: Type II activin receptor (7)
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Mouse (Mus musculus), isoform IIB [TaxId: 10090] (2)
1S4YA:; C:CRYSTAL STRUCTURE OF THE ACTIVIN/ACTRIIB EXTRACELLULAR DOMAIN
2H64C:CRYSTAL STRUCTURE OF A TERNARY LIGAND-RECEPTOR COMPLEX OF BMP-2