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1QBS

HIV-1 PROTEASE INHIBITORS WIIH LOW NANOMOLAR POTENCY

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 Residues21
DetailsBINDING SITE FOR RESIDUE DMP A 323
ChainResidue
AASP25
APRO81
AVAL82
AILE84
BASP25
BGLY27
BALA28
BASP29
BASP30
BGLY48
BGLY49
AGLY27
BILE50
BPRO81
AALA28
AASP29
AASP30
AILE47
AGLY48
AGLY49
AILE50

Functional Information from PROSITE/UniProt
site_idPS00141
Number of Residues12
DetailsASP_PROTEASE Eukaryotic and viral aspartyl proteases active site. ALLDTGADDTVL
ChainResidueDetails
AALA22-LEU33

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues20
DetailsRegion: {"description":"Dimerization of protease","evidences":[{"source":"PubMed","id":"2162350","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsActive site: {"description":"For protease activity; shared with dimeric partner","evidences":[{"source":"PROSITE-ProRule","id":"PRU10094","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"33542150","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1a30
ChainResidueDetails
AASP25
ATHR26
BASP25
BTHR26

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a30
ChainResidueDetails
AASP25
BASP25

site_idMCSA1
Number of Residues3
DetailsM-CSA 175
ChainResidueDetails
AASP25hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor
ATHR26electrostatic stabiliser, transition state stabiliser
AGLY27electrostatic stabiliser, hydrogen bond donor

site_idMCSA2
Number of Residues3
DetailsM-CSA 175
ChainResidueDetails
BASP25hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor
BTHR26electrostatic stabiliser, transition state stabiliser
BGLY27electrostatic stabiliser, hydrogen bond donor

239803

PDB entries from 2025-08-06

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