Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

3EKQ

Crystal structure of inhibitor saquinavir (SQV) in complex with multi-drug resistant HIV-1 protease (L63P/V82T/I84V) (referred to as ACT in paper)

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 Residues19
DetailsBINDING SITE FOR RESIDUE ROC A 100
ChainResidue
AASP25
AHOH507
AHOH509
AHOH549
BARG8
BLEU23
BASP25
BGLY27
BVAL48
BILE50
BPRO81
AGLY27
AALA28
AASP29
AASP30
AVAL48
AGLY49
AILE50
ATHR80

site_idAC2
Number of Residues2
DetailsBINDING SITE FOR RESIDUE PO4 A 502
ChainResidue
ALYS7
AARG8

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE PO4 B 501
ChainResidue
BLYS20
BGLU21
BASN83
BHOH511

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 Residues138
DetailsDomain: {"description":"Peptidase A2","evidences":[{"source":"PROSITE-ProRule","id":"PRU00275","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

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

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a30
ChainResidueDetails
AASP25
ATHR26

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a30
ChainResidueDetails
BASP25
BTHR26

site_idCSA3
Number of Residues1
DetailsAnnotated By Reference To The Literature 1a30
ChainResidueDetails
AASP25

site_idCSA4
Number of Residues1
DetailsAnnotated By Reference To The Literature 1a30
ChainResidueDetails
BASP25

238895

PDB entries from 2025-07-16

PDB statisticsPDBj update infoContact PDBjnumon