PDB Entry (3i4a)
PDB ID: 3i4a Resolution: 1.9 Å Exp. Method: X-RAY DIFFRACTION
PMID: 19663506 DOI: 10.1021/bi9007098
Protein
Protein Name: N(G),N(G)-dimethylarginine dimethylaminohydrolase 1
Uniprot ID/ACC: O94760 (DDAH1_HUMAN) Organism: Homo sapiens (Human)
Gene Symbol: DDAH1 Gene ID: 23576
Protein Class: HYDROLASE
Ligand
Ligand Name:   N5-(1-iminopropyl)-L-ornithine
Canonical SMILES:   CCC(=N)NCCC[C@H](N)C(O)=O
Standard InChI:   InChI=1S/C8H17N3O2/c1-2-7(10)11-5-3-4-6(9)8(12)13/h6H,2-5,9H2,1H3,(H2,10,11)(H,12,13)/t6-/m0/s1
HET Code:   LN5 PubChem:   44593548
DrugBank:   - ChEMBL:   CHEMBL507472
Molecular Formula:   C8H17N3O2 Mol. Weight:   187.13208 logP:   0.15537
HBD:   4 HBA:   3
#Rotatable Bonds:   6 TPSA:   99.2
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Nucleophilic Addition to a Double Bond CYS 274 A 10.31 12.81 Amidine
Binding Affinity
Database Name Value
PDBBind Ki : 52000 nM
BindingDB IC50 : 300000 nM , Ki : 145000 nM , Ki : 52000 nM