Ligand name: 5,6,7,8-TETRAHYDROBIOPTERIN
PDB ligand accession: H4B
DrugBank: DB00360
PubChem: 44257;5282445;135398654;
ChEMBL: CHEMBL1201774
InChI Key: FNKQXYHWGSIFBK-RPDRRWSUSA-N
SMILES: CC(C(C1CNC2=C(N1)C(=O)NC(=N2)N)O)O

ClassyFire chemical classification:

• Kingdom: Organic compounds
  • Superclass: Organoheterocyclic compounds
    • Class: Pteridines and derivatives
      • Subclass: Pterins and derivatives

List of proteins that are targets for H4B

#	DrugDomain Data	UniProt Accession	Drug Action	Affinity data
1	P00439_H4B	P00439	cofactor
2	P29474_H4B	P29474	cofactor
3	P29475_H4B	P29475	n/a
4	P17752_H4B	P17752	cofactor
5	O34453_H4B	O34453	n/a
6	P07101_H4B	P07101	cofactor
7	A0S0A6_H4B	A0S0A6	n/a
8	F1MY54_H4B	F1MY54	n/a
9	P35228_H4B	P35228	n/a
10	O58368_H4B	O58368	n/a
11	P29476_H4B	P29476	n/a
12	Q01782_H4B	Q01782	n/a
13	P29477_H4B	P29477	n/a
14	P29473_H4B	P29473	n/a