Additional file 9 of Whole genome resequencing reveals an association of ABCC4 variants with preaxial polydactyly in pigs MaCheng KhederzadehSaber AdeolaAdeniyi C. HanXu-Man XieHai-Bing ZhangYa-Ping 2020 Additional file 9: Figure S3. Schematic diagram of the relative position of ABBC4 and DZIP1. Arrows indicate the direction of gene transcription.