Structure of PDB 4r93 Chain B

Receptor sequence
>4r93B (length=386) Species: 9606 (Homo sapiens) [Search protein sequence]
GSFVEMVDNLRGKSGQGYYVEMTVGSPPQTLNILVDTGSSNFAVGAAPHP
FLHRYYQRQLSSTYRDLRKGVYVPYTQGKWEGELGTDLVSIPHGPNVTVR
ANIAAITESDKFFINGSNWEGILGLAYAEIARPDDSLEPFFDSLVKQTHV
PNLFSLQLCGAGFPLNQSEVLASVGGSMIIGGIDHSLYTGSLWYTPIRRE
WYYEVIIVRVEINGQDLKMDCKEYNYDKSIVDSGTTNLRLPKKVFEAAVK
SIKAASSTEKFPDGFWLGEQLVCWQAGTTPWNIFPVISLYLMGEVTNQSF
RITILPQQYLRPVEDSQDDCYKFAISQSSTGTVMGAVIMEGFYVVFDRAR
KRIGFAVSACHVHDEFRTAAVEGPFVTLDMEDCGYN
3D structure
PDB4r93 Discovery of potent iminoheterocycle BACE1 inhibitors.
ChainB
Resolution1.71 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 779 B D93 V130 Y132 K168 F169 I171 R189 D289 G291 D36 V73 Y75 K111 F112 I114 R132 D232 G234 MOAD: Ki=16nM
BindingDB: Ki=16nM
Gene Ontology
Molecular Function
GO:0004190 aspartic-type endopeptidase activity
Biological Process
GO:0006508 proteolysis
Cellular Component
GO:0016020 membrane

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Biological Process
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Cellular Component
External links
PDB RCSB:4r93, PDBe:4r93, PDBj:4r93
PDBsum4r93
PubMed25455483
UniProtP56817|BACE1_HUMAN Beta-secretase 1 (Gene Name=BACE1)

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