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- PDB-3qn8: HIV-1 protease (mutant Q7K L33I L63I) in complex with a novel inh... -

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Basic information

Entry
Database: PDB / ID: 3qn8
TitleHIV-1 protease (mutant Q7K L33I L63I) in complex with a novel inhibitor
ComponentsProtease
KeywordsHYDROLASE/HYDROLASE INHIBITOR / Aspartyl Protease / HYDROLASE-HYDROLASE INHIBITOR complex
Function / homology
Function and homology information


HIV-1 retropepsin / symbiont-mediated activation of host apoptosis / retroviral ribonuclease H / exoribonuclease H / exoribonuclease H activity / host multivesicular body / DNA integration / viral genome integration into host DNA / RNA-directed DNA polymerase / establishment of integrated proviral latency ...HIV-1 retropepsin / symbiont-mediated activation of host apoptosis / retroviral ribonuclease H / exoribonuclease H / exoribonuclease H activity / host multivesicular body / DNA integration / viral genome integration into host DNA / RNA-directed DNA polymerase / establishment of integrated proviral latency / viral penetration into host nucleus / RNA stem-loop binding / RNA-directed DNA polymerase activity / RNA-DNA hybrid ribonuclease activity / Transferases; Transferring phosphorus-containing groups; Nucleotidyltransferases / host cell / viral nucleocapsid / DNA recombination / DNA-directed DNA polymerase / aspartic-type endopeptidase activity / Hydrolases; Acting on ester bonds / DNA-directed DNA polymerase activity / symbiont-mediated suppression of host gene expression / viral translational frameshifting / lipid binding / symbiont entry into host cell / host cell nucleus / host cell plasma membrane / virion membrane / structural molecule activity / proteolysis / DNA binding / zinc ion binding / membrane
Similarity search - Function
Reverse transcriptase connection / Reverse transcriptase connection domain / Reverse transcriptase thumb / Reverse transcriptase thumb domain / Integrase Zinc binding domain / Zinc finger integrase-type profile. / Integrase-like, N-terminal / Integrase DNA binding domain / Integrase, C-terminal domain superfamily, retroviral / Integrase, N-terminal zinc-binding domain ...Reverse transcriptase connection / Reverse transcriptase connection domain / Reverse transcriptase thumb / Reverse transcriptase thumb domain / Integrase Zinc binding domain / Zinc finger integrase-type profile. / Integrase-like, N-terminal / Integrase DNA binding domain / Integrase, C-terminal domain superfamily, retroviral / Integrase, N-terminal zinc-binding domain / Integrase, C-terminal, retroviral / Integrase DNA binding domain profile. / Immunodeficiency lentiviral matrix, N-terminal / gag gene protein p17 (matrix protein) / RNase H / Integrase core domain / Integrase, catalytic core / Integrase catalytic domain profile. / Retropepsin-like catalytic domain / Matrix protein, lentiviral and alpha-retroviral, N-terminal / Retroviral nucleocapsid Gag protein p24, C-terminal domain / Gag protein p24 C-terminal domain / RNase H type-1 domain profile. / Ribonuclease H domain / Retropepsins / Retroviral aspartyl protease / Aspartyl protease, retroviral-type family profile. / Peptidase A2A, retrovirus, catalytic / Reverse transcriptase domain / Reverse transcriptase (RNA-dependent DNA polymerase) / Reverse transcriptase (RT) catalytic domain profile. / Retrovirus capsid, C-terminal / Retroviral matrix protein / Cathepsin D, subunit A; domain 1 / Acid Proteases / Retrovirus capsid, N-terminal / zinc finger / Zinc knuckle / Zinc finger, CCHC-type superfamily / Zinc finger, CCHC-type / Zinc finger CCHC-type profile. / Aspartic peptidase, active site / Eukaryotic and viral aspartyl proteases active site. / Aspartic peptidase domain superfamily / Ribonuclease H superfamily / Ribonuclease H-like superfamily / Reverse transcriptase/Diguanylate cyclase domain / DNA/RNA polymerase superfamily / Beta Barrel / Mainly Beta
Similarity search - Domain/homology
Chem-NI7 / Gag-Pol polyprotein
Similarity search - Component
Biological speciesHuman immunodeficiency virus type 1
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.382 Å
AuthorsLindemann, I. / Heine, A. / Klebe, G.
CitationJournal: To be Published
Title: Novel inhibitors for HIV-1 protease
Authors: Lindemann, I. / Klee, N. / Heine, A. / Diederich, W.E. / Klebe, G.
History
DepositionFeb 8, 2011Deposition site: RCSB / Processing site: PDBJ
Revision 1.0Feb 8, 2012Provider: repository / Type: Initial release
Revision 1.1Nov 1, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Protease
B: Protease
hetero molecules


Theoretical massNumber of molelcules
Total (without water)22,0836
Polymers21,6102
Non-polymers4744
Water5,296294
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area3560 Å2
ΔGint-24 kcal/mol
Surface area9660 Å2
MethodPISA
Unit cell
Length a, b, c (Å)58.360, 85.660, 46.840
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number18
Space group name H-MP21212

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Components

#1: Protein Protease / PR / Retropepsin


Mass: 10804.808 Da / Num. of mol.: 2 / Mutation: Q7K L33I L63I
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Human immunodeficiency virus type 1 (BRU ISOLATE)
Plasmid: pET24a / Production host: Escherichia coli (E. coli) / References: UniProt: P03367, HIV-1 retropepsin
#2: Chemical ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: Cl
#3: Chemical ChemComp-NI7 / (4aS,7aS)-1,4-bis(3-hydroxybenzyl)hexahydro-1H-pyrrolo[3,4-b]pyrazine-2,3-dione


Mass: 367.398 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C20H21N3O4
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 294 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.71 Å3/Da / Density % sol: 54.59 %
Crystal growTemperature: 289 K / Method: vapor diffusion, sitting drop / pH: 5.5
Details: 500mM NaCl, 100mM Na citrate, 100mM DTT, 3mM NaN3, pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 289K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: BESSY / Beamline: 14.2 / Wavelength: 0.91841 Å
DetectorType: RAYONIX MX-225 / Detector: CCD / Date: Jun 24, 2010 / Details: mirrors
RadiationMonochromator: Double Crystal Monochromator KMC-2 / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.91841 Å / Relative weight: 1
ReflectionResolution: 1.38→30 Å / Num. all: 47925 / Num. obs: 47925 / % possible obs: 100 % / Redundancy: 5 % / Biso Wilson estimate: 14.27 Å2 / Rsym value: 0.038 / Net I/σ(I): 38.6
Reflection shellResolution: 1.38→1.4 Å / Redundancy: 4.3 % / Mean I/σ(I) obs: 3.6 / Num. unique all: 2263 / Rsym value: 0.365 / % possible all: 100

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Processing

Software
NameVersionClassification
MAR345dtbdata collection
PHASERphasing
PHENIX(phenix.refine: 1.6.4_486)refinement
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 2PQZ

2pqz


Resolution: 1.382→29.18 Å / Occupancy max: 1 / Occupancy min: 0.16 / SU ML: 0.18 / σ(F): 0 / Phase error: 15.56 / Stereochemistry target values: ML
RfactorNum. reflection% reflectionSelection details
Rfree0.1809 4696 10.06 %random
Rwork0.1493 ---
obs0.1525 46683 95.56 %-
all-46683 --
Solvent computationShrinkage radii: 0.95 Å / VDW probe radii: 1.2 Å / Solvent model: FLAT BULK SOLVENT MODEL / Bsol: 46.685 Å2 / ksol: 0.369 e/Å3
Displacement parametersBiso max: 55.14 Å2 / Biso mean: 19.3044 Å2 / Biso min: 7.94 Å2
Baniso -1Baniso -2Baniso -3
1--1.2207 Å20 Å2-0 Å2
2--3.494 Å20 Å2
3----2.2732 Å2
Refinement stepCycle: LAST / Resolution: 1.382→29.18 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1498 0 30 294 1822
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0061688
X-RAY DIFFRACTIONf_angle_d1.2282325
X-RAY DIFFRACTIONf_chiral_restr0.068281
X-RAY DIFFRACTIONf_plane_restr0.006294
X-RAY DIFFRACTIONf_dihedral_angle_d13.068671
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Total num. of bins used: 10

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkNum. reflection all% reflection obs (%)
1.3816-1.4310.25614160.21493722413887
1.431-1.48830.21634390.16843984442392
1.4883-1.5560.18914630.14294090455394
1.556-1.63810.17264710.12344105457695
1.6381-1.74070.15894980.12224184468296
1.7407-1.87510.17554650.12224257472297
1.8751-2.06370.15464870.12634279476698
2.0637-2.36220.17274540.14634411486599
2.3622-2.97570.18634990.16284430492999
2.9757-29.18650.1865040.15854525502998

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