Fig. 6From: Overexpression of OsbHLH107, a member of the basic helix-loop-helix transcription factor family, enhances grain size in rice (Oryza sativa L.)OsbHLH107 protein can form homodimers in vitro and in vivo. a Y2H assays showing that OsbHLH107 physically interacts with itself. AD, active domain. BD, binding domain. b BiFC assay showing that OsbHLH107 interacts with itself in leaf cells of Nicotiana benthamiana. YFP, yellow fluorescent protein. Scale bar, 100 μmBack to article page