Structure of PDB 4acu Chain A

Receptor sequence
>4acuA (length=372) Species: 9606 (Homo sapiens) [Search protein sequence]
GSFVEMVDNLRGKSGQGYYVEMTVGSPPQTLNILVDTGSSNFAVGAAPHP
FLHRYYQRQLSSTYRDLRKGVYVPYTQGKWEGELGTDLVSIPHGPNVTVR
ANIAAITESDKFFINGSNWEGILGLAYAEIARPDDSLEPFFDSLVKQTHV
PNLFSLQLCGGGSMIIGGIDHSLYTGSLWYTPIRREWYYEVIIVRVEING
QDLKMDCKEYNYDKSIVDSGTTNLRLPKKVFEAAVKSIKAASSTEKFPDG
FWLGEQLVCWQAGTTPWNIFPVISLYLMGEVTNQSFRITILPQQYLRPVE
DVATSQDDCYKFAISQSSTGTVMGAVIMEGFYVVFDRARKRIGFAVSACH
VHDEFRTAAVEGPFVTLEDCGY
3D structure
PDB4acu Aminoimidazoles as BACE-1 inhibitors: the challenge to achieve in vivo brain efficacy.
ChainA
Resolution1.75 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) D36 S39 N41 A43 Y75 D218 T221
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 QN7 A G11 G13 L30 D32 S35 Y71 Q73 F108 I110 W115 I118 D228 S229 G230 T231 T232 G15 G17 L34 D36 S39 Y75 Q77 F112 I114 W119 I122 D218 S219 G220 T221 T222 MOAD: ic50=40.7nM
PDBbind-CN: -logKd/Ki=7.39,IC50=40.7nM
BindingDB: IC50=20nM
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:4acu, PDBe:4acu, PDBj:4acu
PDBsum4acu
PubMed22325942
UniProtP56817|BACE1_HUMAN Beta-secretase 1 (Gene Name=BACE1)

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