GDF2
Growth differentiation factor 2 ( GDF2 ) also known as bone morphogenetic protein ( BMP ) -9 is a protein that in humans is encoded by the GDF2 gene . 
<triplet> GDF2 <subj> gene <obj> instance of <triplet> GDF2 <subj> gene <obj> instance of <triplet> gene <subj> protein <obj> encodes