Gallus gallus - 664715, 762408 Glycine soja - 740900 Homo sapiens - 663984, 664036, 664088, 664318, 665532, 665640, 665699, 666443, 666512, 690773, 691460, 691532, 691833, 692159, 693034, 694090, 702898, 704485, 706906, 740256, 740796, 762069 Homo sapiens ALK4 is a type I transmembrane serine/threonine kinase receptor 665487 Homo sapiens gene ACVRIC, activin receptor type 1C precursor, four GenBank entries; several isoforms by alternative splicing 664282 Mus musculus - 664318, 665554, 666312 Mus musculus wild-type and endoglin +/- mice 705441 Ovis aries Booroola ewes 693381 Paralichthys olivaceus Japanese flounder 761110 Rattus norvegicus - 664721, 665481, 691269 Rattus norvegicus female Sprague-Dawley rats 666359 Rattus norvegicus male sprague-dawley rats 703244 Schistosoma mansoni 3 isozymes 666283