Ligand name: PYROGLUTAMIC ACID
PDB ligand accession: PCA
DrugBank: DB03088
PubChem: 7405
ChEMBL: CHEMBL397976
InChI Key: ODHCTXKNWHHXJC-VKHMYHEASA-N
SMILES: C1CC(=O)NC1C(=O)O

ClassyFire chemical classification:

• Kingdom: Organic compounds
  • Superclass: Organic acids and derivatives
    • Class: Carboxylic acids and derivatives
      • Subclass: Amino acids, peptides, and analogues

List of proteins that are targets for PCA

#	DrugDomain Data	UniProt Accession	Protein name	Drug Action	Affinity data
1	P0A7B5_PCA	P0A7B5	Glutamate 5-kinase (EC	n/a
2	Q9RX25_PCA	Q9RX25	Pyrrolidone-carboxylate peptidase (EC	n/a
3	P0CG04_PCA	P0CG04	Immunoglobulin lambda constant	n/a
4	Q9UKQ2_PCA	Q9UKQ2	Disintegrin and metalloproteinase	n/a
5	P15692_PCA	P15692	Vascular endothelial growth	n/a
6	P01709_PCA	P01709	Immunoglobulin lambda variable	n/a
7	Q9BVM4_PCA	Q9BVM4	Gamma-glutamylaminecyclotransferase (GGACT) (EC	n/a
8	G5ZWD6_PCA	G5ZWD6	TRAP-type C4-dicarboxylate transport	n/a
9	Q8N6T7_PCA	Q8N6T7	NAD-dependent protein deacylase	n/a
10	P19961_PCA	P19961	Alpha-amylase 2B (EC	n/a
11	P04746_PCA	P04746	Pancreatic alpha-amylase (PA)	inhibitor
12	Q16769_PCA	Q16769	Glutaminyl-peptide cyclotransferase (EC	n/a
13	Q7VXB3_PCA	Q7VXB3	Exported protein	n/a
14	A0A158RFR1_PCA	A0A158RFR1	SM80.1 Vicilin	n/a