Structure of PDB 4h3i Chain B

Receptor sequence
>4h3iB (length=389) Species: 9606 (Homo sapiens) [Search protein sequence]
GSFVEMVDNLRGKSGQGYYVEMTVGSPPQTLNILVDTGSSNFAVGAAPHP
FLHRYYQRQLSSTYRDLRKGVYVPYTQGKWEGELGTDLVSIPHGPNVTVR
ANIAAITESDKFFINGSNWEGILGLAYAEIARPDDSLEPFFDSLVKQTHV
PNLFSLQLCGAGFPLNQSEVLASVGGSMIIGGIDHSLYTGSLWYTPIRRE
WYYEVIIVRVEINGQDLKMDCKEYNYDKSIVDSGTTNLRLPKKVFEAAVK
SIKAASSTEKFPDGFWLGEQLVCWQAGTTPWNIFPVISLYLMGEVTNQSF
RITILPQQYLRPVEDVATSQDDCYKFAISQSSTGTVMGAVIMEGFYVVFD
RARKRIGFAVSACHVHDEFRTAAVEGPFVTLDMEDCGYN
3D structure
PDB4h3i Design and Validation of Bicyclic Iminopyrimidinones As Beta Amyloid Cleaving Enzyme-1 (BACE1) Inhibitors: Conformational Constraint to Favor a Bioactive Conformation.
ChainB
Resolution1.96 Å
3D
structure
Catalytic site residues are labeled in the structure
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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 D232 T235
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 10V B Q73 L91 D93 S96 V130 Y132 F169 W176 D289 G291 T292 Q16 L34 D36 S39 V73 Y75 F112 W119 D232 G234 T235 MOAD: Ki=3nM
Gene Ontology
Molecular Function
GO:0004190 aspartic-type endopeptidase activity
Biological Process
GO:0006508 proteolysis
Cellular Component
GO:0016020 membrane

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Cellular Component
External links
PDB RCSB:4h3i, PDBe:4h3i, PDBj:4h3i
PDBsum4h3i
PubMed22989333
UniProtP56817|BACE1_HUMAN Beta-secretase 1 (Gene Name=BACE1)

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