>sp|Q61271|ACV1B_MOUSE Activin receptor type-1B OS=Mus musculus GN=Acvr1b MAESAGASSFFPLVVLLLAGSGGSGPRGIQALLCACTSCLQTNYTCETDGACMVSIFNLD GVEHHVRTCIPKVELVPAGKPFYCLSSEDLRNTHCCYIDFCNKIDLRVPSGHLKEPAHPS MWGPVELVGIIAGPVFLLFLIIIIVFLVINYHQRVYHNRQRLDMEDPSCEMCLSKDKTLQ DLVYDLSTSGSGSGLPLFVQRTVARTIVLQEIIGKGRFGEVWRGRWRGGDVAVKIFSSRE ERSWFREAEIYQTVMLRHENILGFIAADNKDNGTWTQLWLVSDYHEHGSLFDYLNRYTVT IEGMIKLALSAASGLAHLHMEIVGTQGKPGIAHRDLKSKNILVKKNGMCAIADLGLAVRH DAVTDTIDIAPNQRVGTKRYMAPEVLDETINMKHFDSFKCADIYALGLVYWEIARRCNSG GVHEDYQLPYYDLVPSDPSIEEMRKVVCDQKLRPNVPNWWQSYEALRVMGKMMRECWYAN GAARLTALRIKKTLSQLSVQEDVKI