Structure of PDB 2b8l Chain A

Receptor sequence
>2b8lA (length=379) Species: 9606 (Homo sapiens) [Search protein sequence]
RRGSFVEMVDNLRGKSGQGYYVEMTVGSPPQTLNILVDTGSSNFAVGAAP
HPFLHRYYQRQLSSTYRDLRKGVYVPYTQGAWAGELGTDLVSIPHGPNVT
VRANIAAITESDKFFINGSNWEGILGLAYAEIARPDDSLEPFFDSLVKQT
HVPNLFSLQLCGAVGGSMIIGGIDHSLYTGSLWYTPIRREWYYEVIIVRV
EINGQDLKMDCKEYNYDKSIVDSGTTNLRLPKKVFEAAVKSIKAASSTEK
FPDGFWLGEQLVCWQAGTTPWNIFPVISLYLMGEVTNQSFRITILPQQYL
RPVEDVATSQDDCYKFAISQSSTGTVMGAVIMEGFYVVFDRARKRIGFAV
SACHVHDEFRTAAVEGPFVTLDMEDCGYN
3D structure
PDB2b8l Conformationally biased P3 amide replacements of beta-secretase inhibitors
ChainA
Resolution1.7 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) D38 S41 N43 A45 Y77 D222 T225
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 5HA A G11 Q12 G13 L30 D32 G34 Y71 T72 Q73 F108 W115 I118 D228 G230 T232 N233 R235 A335 G17 Q18 G19 L36 D38 G40 Y77 T78 Q79 F114 W121 I124 D222 G224 T226 N227 R229 A329 MOAD: ic50=15nM
PDBbind-CN: -logKd/Ki=7.82,IC50=15nM
BindingDB: IC50=15nM,EC50=43nM,Ki=233nM
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:2b8l, PDBe:2b8l, PDBj:2b8l
PDBsum2b8l
PubMed16263281
UniProtP56817|BACE1_HUMAN Beta-secretase 1 (Gene Name=BACE1)

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