Robuta

https://pubmed.ncbi.nlm.nih.gov/33653182/ Effects of 4-phenylbutyric acid on the development of diabetic retinopathy in diabetic rats:... There are good evidences suggesting that endoplasmic reticulum (ER) stress can be one of the contributing factors in the development of diabetic retinopathy.... on the https://www.ncbi.nlm.nih.gov/Structure/pdb/5VNL 5VNL: Crystal structure of Sec23a/Sec24a/Sec22 complexed with 4-phenylbutyric acid (1mM soaking) Protein transport protein Sec23AProtein transport protein Sec24AVesicle-trafficking protein SEC22b4-PHENYL-BUTANOIC ACIDZINC ION