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1XN3

Crystal structure of Beta-secretase bound to a long inhibitor with additional upstream residues.

Functional Information from GO Data
ChainGOidnamespacecontents
A0004190molecular_functionaspartic-type endopeptidase activity
A0006508biological_processproteolysis
A0016020cellular_componentmembrane
B0004190molecular_functionaspartic-type endopeptidase activity
B0006508biological_processproteolysis
B0016020cellular_componentmembrane
C0004190molecular_functionaspartic-type endopeptidase activity
C0006508biological_processproteolysis
C0016020cellular_componentmembrane
D0004190molecular_functionaspartic-type endopeptidase activity
D0006508biological_processproteolysis
D0016020cellular_componentmembrane
Functional Information from PDB Data
site_idAC1
Number of Residues32
DetailsBINDING SITE FOR CHAIN I OF PEPTIDIC INHIBITOR
ChainResidue
BLYS321
CTHR72
CGLN73
CILE110
CARG128
CTRP197
CTYR198
CASP223
CLYS224
CASP228
CGLY230
CSER10
CTHR231
CTHR232
CARG235
CARG307
CVAL309
CVAL312
CLYS321
IHOH114
IHOH302
IHOH415
CGLY11
IHOH428
IHOH449
IHOH663
CLEU30
CASP32
CGLY34
CSER35
CPRO70
CTYR71

Functional Information from PROSITE/UniProt
site_idPS00141
Number of Residues12
DetailsASP_PROTEASE Eukaryotic and viral aspartyl proteases active site. ILVDTGSSNFAV
ChainResidueDetails
AILE29-VAL40

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1364
DetailsDomain: {"description":"Peptidase A1","evidences":[{"source":"PROSITE-ProRule","id":"PRU01103","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues8
DetailsActive site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU10094","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues28
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"17425515","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19011241","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues16
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1am5
ChainResidueDetails
ATHR231
AASP228
ASER35
AASP32

site_idCSA10
Number of Residues3
DetailsAnnotated By Reference To The Literature 1am5
ChainResidueDetails
BASP228
BSER35
BASP32

site_idCSA11
Number of Residues3
DetailsAnnotated By Reference To The Literature 1am5
ChainResidueDetails
CASP228
CSER35
CASP32

site_idCSA12
Number of Residues3
DetailsAnnotated By Reference To The Literature 1am5
ChainResidueDetails
DASP228
DSER35
DASP32

site_idCSA13
Number of Residues4
DetailsAnnotated By Reference To The Literature 1am5
ChainResidueDetails
AASP228
ASER35
ATYR71
AASP32

site_idCSA14
Number of Residues4
DetailsAnnotated By Reference To The Literature 1am5
ChainResidueDetails
BASP228
BSER35
BTYR71
BASP32

site_idCSA15
Number of Residues4
DetailsAnnotated By Reference To The Literature 1am5
ChainResidueDetails
CASP228
CSER35
CTYR71
CASP32

site_idCSA16
Number of Residues4
DetailsAnnotated By Reference To The Literature 1am5
ChainResidueDetails
DASP228
DSER35
DTYR71
DASP32

site_idCSA17
Number of Residues4
DetailsAnnotated By Reference To The Literature 1am5
ChainResidueDetails
ATHR231
AASP228
AASP32
ATHR33

site_idCSA18
Number of Residues4
DetailsAnnotated By Reference To The Literature 1am5
ChainResidueDetails
BTHR231
BASP228
BASP32
BTHR33

site_idCSA19
Number of Residues4
DetailsAnnotated By Reference To The Literature 1am5
ChainResidueDetails
CTHR231
CASP228
CASP32
CTHR33

site_idCSA2
Number of Residues4
DetailsAnnotated By Reference To The Literature 1am5
ChainResidueDetails
BTHR231
BASP228
BSER35
BASP32

site_idCSA20
Number of Residues4
DetailsAnnotated By Reference To The Literature 1am5
ChainResidueDetails
DTHR231
DASP228
DASP32
DTHR33

site_idCSA21
Number of Residues2
DetailsAnnotated By Reference To The Literature 1am5
ChainResidueDetails
AASP228
AASP32

site_idCSA22
Number of Residues2
DetailsAnnotated By Reference To The Literature 1am5
ChainResidueDetails
BASP228
BASP32

site_idCSA23
Number of Residues2
DetailsAnnotated By Reference To The Literature 1am5
ChainResidueDetails
CASP228
CASP32

site_idCSA24
Number of Residues2
DetailsAnnotated By Reference To The Literature 1am5
ChainResidueDetails
DASP228
DASP32

site_idCSA3
Number of Residues4
DetailsAnnotated By Reference To The Literature 1am5
ChainResidueDetails
CTHR231
CASP228
CSER35
CASP32

site_idCSA4
Number of Residues4
DetailsAnnotated By Reference To The Literature 1am5
ChainResidueDetails
DTHR231
DASP228
DSER35
DASP32

site_idCSA5
Number of Residues4
DetailsAnnotated By Reference To The Literature 1am5
ChainResidueDetails
AASP228
ASER229
AASP32
ATHR33

site_idCSA6
Number of Residues4
DetailsAnnotated By Reference To The Literature 1am5
ChainResidueDetails
BASP228
BSER229
BASP32
BTHR33

site_idCSA7
Number of Residues4
DetailsAnnotated By Reference To The Literature 1am5
ChainResidueDetails
CASP228
CSER229
CASP32
CTHR33

site_idCSA8
Number of Residues4
DetailsAnnotated By Reference To The Literature 1am5
ChainResidueDetails
DASP228
DSER229
DASP32
DTHR33

site_idCSA9
Number of Residues3
DetailsAnnotated By Reference To The Literature 1am5
ChainResidueDetails
AASP228
ASER35
AASP32

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PDB entries from 2025-10-08

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