Structure of PDB 4exg Chain A

Receptor sequence
>4exgA (length=377) Species: 9606 (Homo sapiens) [Search protein sequence]
VEMVDNLRGKSGQGYYVEMTVGSPPQTLNILVDTGSSNFAVGAAPHPFLH
RYYQRQLSSTYRDLRKGVYVPYTQGKWEGELGTDLVSIPHGPNVTVRANI
AAITESDKFFINGSNWEGILGLAYAEIARPDDSLEPFFDSLVKQTHVPNL
FSLQLCGAGASVGGSMIIGGIDHSLYTGSLWYTPIRREWYYEVIIVRVEI
NGQDLKMDCKEYNYDKSIVDSGTTNLRLPKKVFEAAVKSIKAASSTEKFP
DGFWLGEQLVCWQAGTTPWNIFPVISLYLMGEVTNQSFRITILPQQYLRP
VEDVATSQDDCYKFAISQSSTGTVMGAVIMEGFYVVFDRARKRIGFAVSA
CHVHDEFRTAAVEGPFVTLDMEDCGYN
3D structure
PDB4exg Design and synthesis of potent hydroxyethylamine (HEA) BACE-1 inhibitors carrying prime side 4,5,6,7-tetrahydrobenzazole and 4,5,6,7-tetrahydropyridinoazole templates.
ChainA
Resolution1.8 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D80 S83 N85 A87 Y119 D276 T279
Catalytic site (residue number reindexed from 1) D33 S36 N38 A40 Y72 D220 T223
Enzyme Commision number 3.4.23.46: memapsin 2.
Interaction with ligand
Site
#
Ligand Ligand
chain
Binding residues on receptor
(original residue number in PDB)
Binding residues on receptor
(residue number reindexed from 1)
Binding affinity
BS01 916 A L78 D80 G82 Y119 T120 F156 W163 Y246 D276 G278 L31 D33 G35 Y72 T73 F109 W116 Y190 D220 G222 MOAD: ic50=8.5nM
PDBbind-CN: -logKd/Ki=8.07,IC50=8.5nM
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:4exg, PDBe:4exg, PDBj:4exg
PDBsum4exg
PubMed23010268
UniProtP56817|BACE1_HUMAN Beta-secretase 1 (Gene Name=BACE1)

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