Ligand name: 3-isobutyl-1-methyl-7H-xanthine
PDB ligand accession: IBM
DrugBank: DB07954
PubChem: 3758
ChEMBL: CHEMBL275084
InChI Key: APIXJSLKIYYUKG-UHFFFAOYSA-N
SMILES: CC(C)CN1C2=C(N=CN2)C(=O)N(C)C1=O
Drug action: n/a

List of small molecule binding-associated PTMs for Q13946

Residue	UniProt number	Type of PTM	AlphaFold3 models	Rosetta models	Chai-1 models
THR	321	Phosphorylation		PyMOL_RFAA
SER	324	Phosphorylation		PyMOL_RFAA
SER	399	Phosphorylation		PyMOL_RFAA
LYS	374	Ubiquitination