PDX1
（重定向自Insulin promoter factor 1）
![](/Images/godic/202501/20/Protein_PDX1_PDB_2h1k1223.png")
![](/Images/godic/202501/20/PBB_GE_PDX1_210938_at_tn1223.png")
![](/Images/godic/202501/20/PBB_GE_PDX1_210937_s_at_tn1223.png")
![](/Images/godic/202501/20/PDB_2h1k_EBI1223.png")
PDX1 (pancreatic and duodenal homeobox 1), also known as insulin promoter factor 1, is a transcription factor necessary for pancreatic development, including β-cell maturation, and duodenal differentiation. In humans this protein is encoded by the PDX1 gene, which was formerly known as IPF1.