Structure of PDB 2p4j Chain B

Receptor sequence
>2p4jB (length=389) Species: 9606 (Homo sapiens) [Search protein sequence]
GSFVEMVDNLRGKSGQGYYVEMTVGSPPQTLNILVDTGSSNFAVGAAPHP
FLHRYYQRQLSSTYRDLRKGVYVPYTQGKWEGELGTDLVSIPHGPNVTVR
ANIAAITESDKFFINGSNWEGILGLAYAEIARPDDSLEPFFDSLVKQTHV
PNLFSLQLCGAGFPLNQSEVLASVGGSMIIGGIDHSLYTGSLWYTPIRRE
WYYEVIIVRVEINGQDLKMDCKEYNYDKSIVDSGTTNLRLPKKVFEAAVK
SIKAASSTEKFPDGFWLGEQLVCWQAGTTPWNIFPVISLYLMGEVTNQSF
RITILPQQYLRPVEDVATSQDDCYKFAISQSSTGTVMGAVIMEGFYVVFD
RARKRIGFAVSACHVHDEFRTAAVEGPFVTLDMEDCGYN
3D structure
PDB2p4j Design, synthesis, and X-ray structure of potent memapsin 2 (beta-secretase) inhibitors with isophthalamide derivatives as the P2-P3-ligands.
ChainB
Resolution2.5 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 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 23I B Q12 G13 D32 G34 P70 Y71 T72 Q73 F108 Y198 D228 G230 T232 N233 R235 A335 Q16 G17 D36 G38 P74 Y75 T76 Q77 F112 Y202 D232 G234 T236 N237 R239 A339 MOAD: Ki=1.1nM
BindingDB: Ki=1.1nM
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:2p4j, PDBe:2p4j, PDBj:2p4j
PDBsum2p4j
PubMed17432843
UniProtP56817|BACE1_HUMAN Beta-secretase 1 (Gene Name=BACE1)

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