Structure of PDB 4lxk Chain A

Receptor sequence
>4lxkA (length=376) Species: 9606 (Homo sapiens) [Search protein sequence]
SFVEMVDNLRGKSGQGYYVEMTVGSPPQTLNILVDTGSSNFAVGAAPHPF
LHRYYQRQLSSTYRDLRKGVYVPYTQGKWEGELGTDLVSIPHGPNVTVRA
NIAAITESDKFFINGSNWEGILGLAYAEIARPDDSLEPFFDSLVKQTHVP
NLFSLQLCGSVGGSMIIGGIDHSLYTGSLWYTPIRREWYYEVIIVRVEIN
GQDLKMDCKEYNYDKSIVDSGTTNLRLPKKVFEAAVKSIKAASSTEKFPD
GFWLGEQLVCWQAGTTPWNIFPVISLYLMGEVTNQSFRITILPQQYLRPV
EDVATSQDDCYKFAISQSSTGTVMGAVIMEGFYVVFDRARKRIGFAVSAC
HVHDEFRTAAVEGPFVTLDMEDCGYN
3D structure
PDB4lxk Discovery of cyclic sulfoxide hydroxyethylamines as potent and selective beta-site APP-cleaving enzyme 1 (BACE1) inhibitors: structure based design and in vivo reduction of amyloid beta-peptides.
ChainA
Resolution2.05 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D32 S35 N37 A39 Y71 D228 T231
Catalytic site (residue number reindexed from 1) D35 S38 N40 A42 Y74 D219 T222
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 1YT A Q12 G13 L30 D32 G34 S35 P70 Y71 T72 Q73 F108 I126 Y198 D228 G230 T231 Q15 G16 L33 D35 G37 S38 P73 Y74 T75 Q76 F111 I129 Y189 D219 G221 T222 MOAD: ic50=0.004uM
PDBbind-CN: -logKd/Ki=8.40,IC50=4nM
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:4lxk, PDBe:4lxk, PDBj:4lxk
PDBsum4lxk
PubMed23981898
UniProtP56817|BACE1_HUMAN Beta-secretase 1 (Gene Name=BACE1)

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