BMP signaling pathway involved in heart induction

uniprot-protein:A5PJI9, uniprot-protein:A5YVW9, uniprot-protein:A7L634, uniprot-protein:A7LJT9, uniprot-protein:A7LLU5, uniprot-protein:B0KWG9, uniprot-protein:B5FW32, uniprot-protein:C3SB56, uniprot-protein:C3SB59, uniprot-protein:D2HCK9, uniprot-protein:D2HR91, uniprot-protein:F1PDL1, uniprot-protein:F6QG82, uniprot-protein:F6T889, uniprot-protein:F7DWN3, uniprot-protein:F7G4N4, uniprot-protein:F7GIY5, uniprot-protein:F7GUV7, uniprot-protein:G1P7N0, uniprot-protein:G1RV31, uniprot-protein:G3RZN8, uniprot-protein:G3T9G8, uniprot-protein:G3TAW6, uniprot-protein:G3V8W4, uniprot-protein:G7PGY1, uniprot-protein:H0UZ62, uniprot-protein:H0WU05, uniprot-protein:O46564, uniprot-protein:O46576, uniprot-protein:P12643, uniprot-protein:P12644, uniprot-protein:P21274, uniprot-protein:P21275, uniprot-protein:P49001, uniprot-protein:Q01860, uniprot-protein:Q06826, uniprot-protein:Q2KJH1, uniprot-protein:Q3ULR1, uniprot-protein:Q4LEV0, uniprot-protein:Q4VS18, uniprot-protein:Q6AYU9, uniprot-protein:Q6RF65, uniprot-protein:Q95MB9, uniprot-protein:Q9MZV5