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3NDW

HIV-1 Protease Saquinavir:Ritonavir 1:15 complex structure

Functional Information from GO Data
ChainGOidnamespacecontents
A0004190molecular_functionaspartic-type endopeptidase activity
A0006508biological_processproteolysis
B0004190molecular_functionaspartic-type endopeptidase activity
B0006508biological_processproteolysis
Functional Information from PDB Data
site_idAC1
Number of Residues22
DetailsBINDING SITE FOR RESIDUE RIT A 100
ChainResidue
AARG8
APRO81
AHOH131
AHOH176
AHOH213
BASP25
BGLY27
BALA28
BASP29
BILE47
BGLY48
AASP25
BGLY49
BILE50
BVAL82
AGLY27
AALA28
AASP29
AASP30
AGLY48
AGLY49
AILE50

site_idAC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE DMS B 100
ChainResidue
AGLY17
BLYS14
BILE15
BGLY16
BGLY17
BILE63
BGLU65

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE DMS A 101
ChainResidue
AGLU34
ATHR80
APRO81
AVAL82

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE DMS B 101
ChainResidue
BPRO1
BARG57
BHIS69
BHOH109
BHOH268

site_idAC5
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 B 102
ChainResidue
APRO39
AGLY40
AHOH123
AHOH227
BSER37
BHOH147

site_idAC6
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 A 102
ChainResidue
APRO1
ALYS55
AHOH214
BHIS69
BLYS70
BHOH248

site_idAC7
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ACT B 103
ChainResidue
BTHR12
BTRP42
BHOH304
BHOH309

site_idAC8
Number of Residues1
DetailsBINDING SITE FOR RESIDUE NA B 104
ChainResidue
BARG8

site_idAC9
Number of Residues2
DetailsBINDING SITE FOR RESIDUE NA A 103
ChainResidue
ATHR12
AGLU21

Functional Information from PROSITE/UniProt
site_idPS00141
Number of Residues12
DetailsASP_PROTEASE Eukaryotic and viral aspartyl proteases active site. ALLDTGADDTVI
ChainResidueDetails
AALA22-ILE33

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI2
Number of Residues20
DetailsRegion: {"description":"Dimerization of protease","evidences":[{"source":"UniProtKB","id":"P04585","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsActive site: {"description":"For protease activity; shared with dimeric partner","evidences":[{"source":"PROSITE-ProRule","id":"PRU10094","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

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PDB entries from 2025-12-24

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