Structure of PDB 4i1c Chain A

Receptor sequence
>4i1cA (length=378) Species: 9606 (Homo sapiens) [Search protein sequence]
FVEMVDNLRGKSGQGYYVEMTVGSPPQTLNILVDTGSSNFAVGAAPHPFL
HRYYQRQLSSTYRDLRKGVYVPYTQGKWEGELGTDLVSIPHGPNVTVRAN
IAAITESDKFFINGSNWEGILGLAYAEIARPDDSLEPFFDSLVKQTHVPN
LFSLQLCGGSMIIGGIDHSLYTGSLWYTPIRREWYYEVIIVRVEINGQDL
KMDCKEYNYDKSIVDSGTTNLRLPKKVFEAAVKSIKAASSTEKFPDGFWL
GEQLVCWQAGTTPWNIFPVISLYLMGEVTNQSFRITILPQQYLRPVEDVA
TSQDDCYKFAISQSSTGTVMGAVIMEGFYVVFDRARKRIGFAVSACRTAA
VEGPFVTLDMEDCGYNIPQTDESRSHHH
3D structure
PDB4i1c Design and synthesis of thiophene dihydroisoquinolines as novel BACE1 inhibitors.
ChainA
Resolution2.0 Å
3D
structure
Catalytic site residues are labeled in the structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Catalytic site (original residue number in PDB) D93 S96 N98 A100 Y132 D289 T292
Catalytic site (residue number reindexed from 1) D34 S37 N39 A41 Y73 D215 T218
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 ZN A D192 H458 D133 H378
BS02 ZN A E78 H150 E19 H91
BS03 1BE A Q73 G74 D93 Y132 G135 K168 F169 I171 G291 T292 T293 Q14 G15 D34 Y73 G76 K109 F110 I112 G217 T218 T219 MOAD: ic50=0.4uM
PDBbind-CN: -logKd/Ki=8.10,IC50=0.008uM
Gene Ontology
Molecular Function
GO:0004190 aspartic-type endopeptidase activity
Biological Process
GO:0006508 proteolysis
Cellular Component
GO:0016020 membrane

View graph for
Molecular Function

View graph for
Biological Process

View graph for
Cellular Component
External links
PDB RCSB:4i1c, PDBe:4i1c, PDBj:4i1c
PDBsum4i1c
PubMed23570791
UniProtP56817|BACE1_HUMAN Beta-secretase 1 (Gene Name=BACE1)

[Back to BioLiP]