PR:P27040-4	activin receptor type-2B isoform ActR-IIB4 (mouse)	mACVR2B/iso:ActR-IIB4		part_of	GO:0048179	activin receptor complex			PMID:1310075	IDA	NCBITaxon:10090		UniProtKB:P27040-4	20080301	PRO:CNA	
PR:P27040-4	activin receptor type-2B isoform ActR-IIB4 (mouse)	mACVR2B/iso:ActR-IIB4		located_in	GO:0005887	integral component of plasma membrane			PMID:1310075	IDA	NCBITaxon:10090		UniProtKB:P27040-4	20080301	PRO:CNA