PDB Entry (2i03)
PDB ID: 2i03 Resolution: 2.4 Å Exp. Method: X-RAY DIFFRACTION
PMID: 17034148 DOI: 10.1021/jm060777o
Protein
Protein Name: Dipeptidyl peptidase 4
Uniprot ID/ACC: P27487 (DPP4_HUMAN) Organism: Homo sapiens (Human)
Gene Symbol: DPP4 Gene ID: 1803
Protein Class: HYDROLASE
Ligand
Ligand Name:   2-[4-({2-[(2S,5R)-2-cyano-5-ethynylpyrrolidin-1-yl]-2-oxoethyl}amino)-4-methylpiperidin-1-yl]pyridine-4-carboxylic acid
Canonical SMILES:   CC1(CCN(CC1)c1cc(ccn1)C(O)=O)NCC(=O)N1[C@H](CC[C@H]1C#N)C#C
Standard InChI:   InChI=1S/C21H25N5O3/c1-3-16-4-5-17(13-22)26(16)19(27)14-24-21(2)7-10-25(11-8-21)18-12-15(20(28)29)6-9-23-18/h1,6,9,12,16-17,24H,4-5,7-8,10-11,14H2,2H3,(H,28,29)/t16-,17-/m0/s1
HET Code:   AXD PubChem:   16049769
DrugBank:   - ChEMBL:   CHEMBL386369
Molecular Formula:   C21H25N5O3 Mol. Weight:   395.19574 logP:   1.24468
HBD:   2 HBA:   6
#Rotatable Bonds:   5 TPSA:   109.56
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Nucleophilic Addition to a Triple Bond SER 630 B 19.59 - Nitrile
Binding Affinity
Database Name Value
PDBBind Ki : 1 nM