PNPLA3 and metabolic dysfunction-associated steatotic liver disease: Since the protein structure was determined to have an e-value of 0, identity> 80% and region 1-481 were found, and a 3-D model of the protein named AF-Q9NST1-F1 involved in NAFLD (PNPLA3) was retrieved in PDB format (Fig. 2A) and 3-D structure of PNPLA3 was designed by MODELLER.