Structure of PDB 4h1e Chain B Binding Site BS01

Receptor Information
>4h1e 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]
RGSFVEMVDNLRGKSGQGYYVEMTVGSPPQTLNILVDTGSSNFAVGAAPH
PFLHRYYQRQLSSTYRDLRKGVYVPYTQGKWEGELGTDLVSIPHGPNVTV
RANIAAITESDKFFINGSNWEGILGLAYAEIARPDDSLEPFFDSLVKQTH
VPNLFSLQLCGAGFPLNQSEVLASVGGSMIIGGIDHSLYTGSLWYTPIRR
EWYYEVIIVRVEINGQDLKMDCKEYNYDKSIVDSGTTNLRLPKKVFEAAV
KSIKAASSTEKFPDGFWLGEQLVCWQAGTTPWNIFPVISLYLMGEVTNQS
FRITILPQQYLRPVEDSQDDCYKFAISQSSTGTVMGAVIMEGFYVVFDRA
RKRIGFAVSACHVHDEFRTAAVEGPFVTLDMEDCGYN
Ligand information
Ligand ID10J
InChIInChI=1S/C25H21N5O2S/c1-29-23(32)20-13-30(22(31)17-7-3-2-4-8-17)15-25(20,28-24(29)27)21-11-19(14-33-21)18-9-5-6-16(10-18)12-26/h2-11,14,20H,13,15H2,1H3,(H2,27,28)/t20-,25-/m0/s1
InChIKeyPOOXGNGZUXTIQE-CPJSRVTESA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6[H]/N=C/1\N[C@]2(CN(C[C@H]2C(=O)N1C)C(=O)c3ccccc3)c4cc(cs4)c5cccc(c5)C#N
CACTVS 3.370CN1C(=N)N[C]2(CN(C[CH]2C1=O)C(=O)c3ccccc3)c4scc(c4)c5cccc(c5)C#N
ACDLabs 12.01O=C(c1ccccc1)N4CC5(c3scc(c2cc(C#N)ccc2)c3)NC(=[N@H])N(C(=O)C5C4)C
OpenEye OEToolkits 1.7.6CN1C(=O)C2CN(CC2(NC1=N)c3cc(cs3)c4cccc(c4)C#N)C(=O)c5ccccc5
CACTVS 3.370CN1C(=N)N[C@]2(CN(C[C@H]2C1=O)C(=O)c3ccccc3)c4scc(c4)c5cccc(c5)C#N
FormulaC25 H21 N5 O2 S
Name3-{5-[(2E,4aR,7aR)-6-benzoyl-2-imino-3-methyl-4-oxooctahydro-7aH-pyrrolo[3,4-d]pyrimidin-7a-yl]thiophen-3-yl}benzonitrile
ChEMBLCHEMBL2178145
DrugBank
ZINCZINC000034787145
PDB chain4h1e Chain B Residue 501 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4h1e Design and Validation of Bicyclic Iminopyrimidinones As Beta Amyloid Cleaving Enzyme-1 (BACE1) Inhibitors: Conformational Constraint to Favor a Bioactive Conformation.
Resolution1.9 Å
Binding residue
(original residue number in PDB)		Q73 G74 L91 D93 S96 V130 Y132 F169 W176 R189 D289 G291 T292
Binding residue
(residue number reindexed from 1)		Q17 G18 L35 D37 S40 V74 Y76 F113 W120 R133 D233 G235 T236
Annotation score1
Binding affinityMOAD: Ki=3nM
Enzymatic activity
Catalytic site (original residue number in PDB) D93 S96 N98 A100 Y132 D289 T292
Catalytic site (residue number reindexed from 1) D37 S40 N42 A44 Y76 D233 T236
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:4h1e, PDBe:4h1e, PDBj:4h1e
PDBsum4h1e
PubMed22989333
UniProtP56817|BACE1_HUMAN Beta-secretase 1 (Gene Name=BACE1)

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