ORF Clone of Canis lupus familiaris activin A receptor, type IB DNA. Identical with the Gene Bank Ref. ID sequence except for the point mutation 445 C/T resulting in the amino acid Arg substitution by Cys.http://www.creative-biogene.com/Canine-ACVR1B-ORF-clone-XM_5436633-CDCB156517-1286686-9.html