Structure of PDB 3l5c Chain B Binding Site BS01

Receptor Information
>3l5c Chain B (length=387) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GSFVEMVDNLRGKSGQGYYVEMTVGSPPQTLNILVDTGSSNFAVGAAPHP
FLHRYYQRQLSSTYRDLRKGVYVPYTKWEGELGTDLVSIPHGPNVTVRAN
IAAITESDKFFINGSNWEGILGLAYAEIARPDDSLEPFFDSLVKQTHVPN
LFSLQLCGAGFPLNQSEVLASVGGSMIIGGIDHSLYTGSLWYTPIRREWY
YEVIIVRVEINGQDLKMDCKEYNYDKSIVDSGTTNLRLPKKVFEAAVKSI
KAASSTEKFPDGFWLGEQLVCWQAGTTPWNIFPVISLYLMGEVTNQSFRI
TILPQQYLRPVEDVATSQDDCYKFAISQSSTGTVMGAVIMEGFYVVFDRA
RKRIGFAVSACHVHDEFRTAAVEGPFVTLDMEDCGYN
Ligand information
Ligand IDBDQ
InChIInChI=1S/C24H28N6O2/c1-16(2)12-24(3)21(31)30(22(26)29-24)15-19-6-4-18(5-7-19)14-27-23(32)28-20-10-8-17(13-25)9-11-20/h4-11,16H,12,14-15H2,1-3H3,(H2,26,29)(H2,27,28,32)/t24-/m1/s1
InChIKeyCTKHUQYUPSHMQE-XMMPIXPASA-N
SMILES
SoftwareSMILES
CACTVS 3.352CC(C)C[C]1(C)NC(=N)N(Cc2ccc(CNC(=O)Nc3ccc(cc3)C#N)cc2)C1=O
OpenEye OEToolkits 1.7.0[H]/N=C\1/N[C@](C(=O)N1Cc2ccc(cc2)CNC(=O)Nc3ccc(cc3)C#N)(C)CC(C)C
CACTVS 3.352CC(C)C[C@@]1(C)NC(=N)N(Cc2ccc(CNC(=O)Nc3ccc(cc3)C#N)cc2)C1=O
OpenEye OEToolkits 1.7.0CC(C)CC1(C(=O)N(C(=N)N1)Cc2ccc(cc2)CNC(=O)Nc3ccc(cc3)C#N)C
FormulaC24 H28 N6 O2
Name1-(4-cyanophenyl)-3-(4-{[(2Z,4R)-2-imino-4-methyl-4-(2-methylpropyl)-5-oxoimidazolidin-1-yl]methyl}benzyl)urea
ChEMBL
DrugBank
ZINCZINC000045319614
PDB chain3l5c Chain B Residue 1 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3l5c Discovery of Cyclic Acylguanidines as Highly Potent and Selective beta-Site Amyloid Cleaving Enzyme (BACE) Inhibitors: Part I-Inhibitor Design and Validation
Resolution1.8 Å
Binding residue
(original residue number in PDB)		D93 Y132 K168 F169 D289 G291
Binding residue
(residue number reindexed from 1)		D36 Y75 K109 F110 D230 G232
Annotation score1
Binding affinityMOAD: ic50=7000nM
Enzymatic activity
Catalytic site (original residue number in PDB) D93 S96 N98 A100 Y132 D289 T292
Catalytic site (residue number reindexed from 1) D36 S39 N41 A43 Y75 D230 T233
Enzyme Commision number 3.4.23.46: memapsin 2.
Gene Ontology
Molecular Function
GO:0004190 aspartic-type endopeptidase activity
Biological Process
GO:0006508 proteolysis
Cellular Component
GO:0016020 membrane

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:3l5c, PDBe:3l5c, PDBj:3l5c
PDBsum3l5c
PubMed20043696
UniProtP56817|BACE1_HUMAN Beta-secretase 1 (Gene Name=BACE1)

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