PDB Entry (1m4b)
PDB ID: 1m4b Resolution: 2.15 Å Exp. Method: X-RAY DIFFRACTION
PMID: 12582206 DOI: 10.1073/pnas.252756299
Protein
Protein Name: Interleukin-2
Uniprot ID/ACC: P60568 (IL2_HUMAN) Organism: Homo sapiens (Human)
Gene Symbol: IL2 Gene ID: 3558
Protein Class: SIGNALING PROTEIN
Ligand
Ligand Name:   (2S)-N-{3-[(3-aminopropyl)disulfanyl]propyl}-2-{2-[(2R)-2-carbamimidamido-2-cyclohexylacetamido]acetamido}propanamide
Canonical SMILES:   C[C@H](NC(=O)CNC(=O)[C@H](NC(N)=N)C1CCCCC1)C(=O)NCCCSSCCCN
Standard InChI:   InChI=1S/C20H39N7O3S2/c1-14(18(29)24-10-6-12-32-31-11-5-9-21)26-16(28)13-25-19(30)17(27-20(22)23)15-7-3-2-4-8-15/h14-15,17H,2-13,21H2,1H3,(H,24,29)(H,25,30)(H,26,28)(H4,22,23,27)/t14-,17+/m0/s1
HET Code:   NMP PubChem:   -
DrugBank:   - ChEMBL:   -
Molecular Formula:   C20H39N7O3S2 Mol. Weight:   489.25558 logP:   0.27577
HBD:   7 HBA:   7
#Rotatable Bonds:   15 TPSA:   175.22
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Disulfide Formation CYS 43 A 92.4 99.99 Disulfide
Binding Affinity
-