Fig. 1From: Identification and functional study of GATA4 gene regulatory variants in atrial septal defectsRegulatory variants of GATA4 gene. a Locations of regulatory variants upstream to the transcription start site of human GATA4 gene (NG_008177.2). b Sequencing chromatograms of GATA4 gene regulatory variants identified in ASD patients. Top panels are wild type and bottom heterozygous variants (marked with arrows). Sequencing orientations are forwardBack to article page