Structure of PDB 6qae Chain A Binding Site BS02

Receptor Information
>6qae Chain A (length=526) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
IIIATKNGKVRGMQLTVFGGTVTAFLGIPYAQPPLGRLRFKKPQSLTKWS
DIWNATKYANSCCQNIDQSFPGFHGSEMWNPNTDLSEDCLYLNVWIPAPK
PKNATVLIWIYGGGFQTGTSSLHVYDGKFLARVERVIVVSMNYRVGALGF
LALPGNPEAPGNMGLFDQQLALQWVQKNIAAFGGNPKSVTLFGESAGAAS
VSLHLLSPGSHSLFTRAILQSGSFNAPWAVTSLYEARNRTLNLAKLTGCS
RENETEIIKCLRNKDPQEILLNEAFVVPYGTPLSVNFGPTVDGDFLTDMP
DILLELGQFKKTQILVGVNKDEGTAFLVYGAPGFSKDNNSIITRKEFQEG
LKIFFPGVSEFGKESILFHYTDWVDDQRPENYREALGDVVGDYNFICPAL
EFTKKFSEWGNNAFFYYFEHRSSKLPWPEWMGVMHGYEIEFVFGLPLERR
DQYTKAEEILSRSIVKRWANFAKYGNPQETQNQSTSWPVFKSTEQKYLTL
NTESTRIMTKLRAQQCRFWTSFFPKV
Ligand information
Ligand IDHUK
InChIInChI=1S/C26H43N3/c1-4-5-17-29(3)24(19-23-20-27-26-15-11-10-14-25(23)26)21-28(2)18-16-22-12-8-6-7-9-13-22/h10-11,14-15,20,22,24,27H,4-9,12-13,16-19,21H2,1-3H3/p+2/t24-/m0/s1
InChIKeyJNHBUJVXUSKTKS-DEOSSOPVSA-P
SMILES
SoftwareSMILES
CACTVS 3.385CCCC[NH+](C)[CH](C[NH+](C)CCC1CCCCCC1)Cc2c[nH]c3ccccc23
OpenEye OEToolkits 2.0.6CCCC[NH+](C)C(Cc1c[nH]c2c1cccc2)C[NH+](C)CCC3CCCCCC3
OpenEye OEToolkits 2.0.6CCCC[NH+](C)[C@@H](Cc1c[nH]c2c1cccc2)C[NH+](C)CCC3CCCCCC3
CACTVS 3.385CCCC[NH+](C)[C@H](C[NH+](C)CCC1CCCCCC1)Cc2c[nH]c3ccccc23
FormulaC26 H45 N3
Namebutyl-[(2~{S})-1-[2-cycloheptylethyl(methyl)azaniumyl]-3-(1~{H}-indol-3-yl)propan-2-yl]-methyl-azanium
ChEMBL
DrugBank
ZINC
PDB chain6qae Chain A Residue 612 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB6qae Tryptophan-derived butyrylcholinesterase inhibitors as promising leads against Alzheimer's disease.
Resolution2.487 Å
Binding residue
(original residue number in PDB)
N68 W82 G117 T120 L286 S287 A328 F329 Y332 H438
Binding residue
(residue number reindexed from 1)
N65 W79 G114 T117 L283 S284 A325 F326 Y329 H435
Annotation score1
Binding affinityMOAD: ic50=3nM
PDBbind-CN: -logKd/Ki=8.52,IC50=3.0nM
Enzymatic activity
Catalytic site (original residue number in PDB) G116 G117 S198 A199 E325 H438
Catalytic site (residue number reindexed from 1) G113 G114 S195 A196 E322 H435
Enzyme Commision number 3.1.1.8: cholinesterase.
Gene Ontology
Molecular Function
GO:0004104 cholinesterase activity

View graph for
Molecular Function
External links
PDB RCSB:6qae, PDBe:6qae, PDBj:6qae
PDBsum6qae
PubMed30864579
UniProtP06276|CHLE_HUMAN Cholinesterase (Gene Name=BCHE)

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