Index PDB ID Protein Name Organism UniProt ID Ligand Name Canonical SMILES HET Code 1 6T5U GTPase KRas isoform X2 Erinaceus europaeus (Western European hedgehog) A0A1S2ZE25 1-[(7R)-16-chloro-15-(5-methyl-2H-indazol-4-yl)-9-oxa-2,5,12-triazatetracyclo[8.8.0.0²,⁷.0¹³,¹⁸]octadeca-1(18),10,12,14,16-pentaen-5-yl]prop-2-en-1-one c1[nH]nc(c12)ccc(C)c2-c(c(Cl)c3)cc(c34)ncc5c4N6[C@@H](CO5)CN(CC6)C(=O)C=C MKW