https://www.ncbi.nlm.nih.gov/Structure/pdb/6KPS
6KPS: Crystal structure of indoleamine 2,3-dioxygenagse 1 (IDO1) in complex with compound 36
Indoleamine 2,3-dioxygenase 11-(4-cyanophenyl)-3-[[3-(2-cyclopropylethynyl)imidazo[2,1-b][1,3]thiazol-5-yl]methyl]ureaPROTOPORPHYRIN IX CONTAINING FE