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- PDB-2whh: HIV-1 protease tethered dimer Q-product complex along with nucleo... -

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Basic information

Entry
Database: PDB / ID: 2whh
TitleHIV-1 protease tethered dimer Q-product complex along with nucleophilic water molecule
ComponentsPOL PROTEIN
KeywordsHYDROLASE / PROTEASE / DRUG DESIGN / TRANSFERASE / NUCLEOTIDYLTRANSFERASE / RNA-DIRECTED DNA POLYMERASE / CATALYTIC MECHANISM / MULTIFUNCTIONAL ENZYME / TRANSITION STATE / ASPARTYL PROTEASE
Function / homology
Function and homology information


integrase activity / Integration of viral DNA into host genomic DNA / Autointegration results in viral DNA circles / Minus-strand DNA synthesis / Plus-strand DNA synthesis / 2-LTR circle formation / Uncoating of the HIV Virion / Vpr-mediated nuclear import of PICs / Early Phase of HIV Life Cycle / Integration of provirus ...integrase activity / Integration of viral DNA into host genomic DNA / Autointegration results in viral DNA circles / Minus-strand DNA synthesis / Plus-strand DNA synthesis / 2-LTR circle formation / Uncoating of the HIV Virion / Vpr-mediated nuclear import of PICs / Early Phase of HIV Life Cycle / Integration of provirus / APOBEC3G mediated resistance to HIV-1 infection / Binding and entry of HIV virion / viral life cycle / HIV-1 retropepsin / symbiont-mediated activation of host apoptosis / retroviral ribonuclease H / Assembly Of The HIV Virion / exoribonuclease H / exoribonuclease H activity / Budding and maturation of HIV virion / protein processing / host multivesicular body / viral genome integration into host DNA / RNA-directed DNA polymerase / establishment of integrated proviral latency / viral penetration into host nucleus / symbiont-mediated suppression of host gene expression / RNA stem-loop binding / RNA-directed DNA polymerase activity / RNA-DNA hybrid ribonuclease activity / Transferases; Transferring phosphorus-containing groups; Nucleotidyltransferases / host cell / peptidase activity / viral nucleocapsid / endonuclease activity / DNA recombination / DNA-directed DNA polymerase / Hydrolases; Acting on ester bonds / aspartic-type endopeptidase activity / DNA-directed DNA polymerase activity / symbiont entry into host cell / viral translational frameshifting / lipid binding / host cell nucleus / host cell plasma membrane / structural molecule activity / virion membrane / proteolysis / DNA binding / zinc ion binding / identical protein 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 / Reverse transcriptase domain / Reverse transcriptase (RNA-dependent DNA polymerase) / Reverse transcriptase (RT) catalytic domain profile. / Retropepsins / Retroviral aspartyl protease / Aspartyl protease, retroviral-type family profile. / Peptidase A2A, retrovirus, catalytic / Retrovirus capsid, C-terminal / Retroviral matrix protein / Retrovirus capsid, N-terminal / zinc finger / Zinc knuckle / Cathepsin D, subunit A; domain 1 / Acid Proteases / 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
GLUTAMIC ACID / PARA-NITROPHENYLALANINE / Gag-Pol polyprotein / Pol protein
Similarity search - Component
Biological speciesHUMAN IMMUNODEFICIENCY VIRUS 1
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.69 Å
AuthorsPrashar, V. / Bihani, S. / Das, A. / Ferrer, J.L. / Hosur, M.V.
CitationJournal: Plos One / Year: 2009
Title: Catalytic Water Co-Existing with a Product Peptide in the Active Site of HIV-1 Protease Revealed by X- Ray Structure Analysis.
Authors: Prashar, V. / Bihani, S. / Das, A. / Ferrer, J.L. / Hosur, M.V.
History
DepositionMay 5, 2009Deposition site: PDBE / Processing site: PDBE
Revision 1.0Dec 1, 2009Provider: repository / Type: Initial release
Revision 1.1May 8, 2011Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Dec 13, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Other / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_status / pdbx_initial_refinement_model / struct_conn / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.status_code_sf / _struct_conn.pdbx_leaving_atom_flag / _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: POL PROTEIN
hetero molecules


Theoretical massNumber of molelcules
Total (without water)22,6175
Polymers21,9031
Non-polymers7154
Water3,369187
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)62.540, 62.540, 81.990
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number169
Space group name H-MP61

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Components

#1: Protein POL PROTEIN / HIV-1 PROTEASE


Mass: 21902.760 Da / Num. of mol.: 1 / Fragment: RESIDUES 7-105 / Mutation: YES
Source method: isolated from a genetically manipulated source
Details: 5 RESIDUE PEPTIDE LINK BETWEEN C TERMINUS OF FIRST SUB-UNIT AND THE N TERMINUS OF THE SECOND SUB-UNIT OF THE DIMER TO PRODUCE A TETHERED DIMER OF HIV-1 PROTEASE (ALSO SEE REMARK 999)
Source: (gene. exp.) HUMAN IMMUNODEFICIENCY VIRUS 1 / Plasmid: PET11 / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21(DE3)
References: UniProt: Q9QJ78, UniProt: P04585*PLUS, HIV-1 retropepsin
#2: Chemical ChemComp-PPN / PARA-NITROPHENYLALANINE


Type: L-peptide linking / Mass: 210.187 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C9H10N2O4
#3: Chemical ChemComp-GLU / GLUTAMIC ACID


Type: L-peptide linking / Mass: 147.129 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C5H9NO4
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 187 / Source method: isolated from a natural source / Formula: H2O
Compound detailsENGINEERED RESIDUE IN CHAIN A, CYS 1095 TO ALA
Sequence detailsTHE LINKER IS DISORDERED. SO THERE ARE NO COORDINATES FOR THE LINKER GGSSG.

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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: 2.08 Å3/Da / Density % sol: 41.01 % / Description: NONE
Crystal growpH: 7 / Details: pH 7

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: BM30A / Wavelength: 0.98
DetectorType: MARRESEARCH / Detector: CCD / Details: MIRRORS
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.98 Å / Relative weight: 1
ReflectionResolution: 1.69→45 Å / Num. obs: 20251 / % possible obs: 97.9 % / Observed criterion σ(I): 0 / Redundancy: 3 % / Biso Wilson estimate: 32.4 Å2 / Rmerge(I) obs: 0.08 / Net I/σ(I): 12.61
Reflection shellResolution: 1.69→1.72 Å / Redundancy: 2.3 % / Rmerge(I) obs: 0.49 / Mean I/σ(I) obs: 3.35 / % possible all: 94.1

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Processing

Software
NameVersionClassification
CNS1.12.123refinement
XDSdata reduction
XDSdata scaling
PHASERCCP4phasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1LV1

1lv1


Resolution: 1.69→50 Å / Rfactor Rfree error: 0.015 / Data cutoff high absF: 10000 / Data cutoff low absF: 0 / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: MAXIMUM LIKELIHOOD
RfactorNum. reflection% reflectionSelection details
Rfree0.2556 1013 5 %RANDOM
Rwork0.2193 ---
obs0.2193 20251 99.4 %-
Solvent computationBsol: 68.3213 Å2 / ksol: 0.379056 e/Å3
Displacement parametersBiso mean: 31 Å2
Baniso -1Baniso -2Baniso -3
1--0.85 Å2-1.466 Å20 Å2
2---0.85 Å20 Å2
3---1.701 Å2
Refine analyzeLuzzati coordinate error obs: 0.21 Å / Luzzati d res low obs: 6 Å / Luzzati sigma a obs: 0.19 Å
Refinement stepCycle: LAST / Resolution: 1.69→50 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1514 0 48 187 1749
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.010199
X-RAY DIFFRACTIONc_bond_d_na
X-RAY DIFFRACTIONc_bond_d_prot
X-RAY DIFFRACTIONc_angle_d
X-RAY DIFFRACTIONc_angle_d_na
X-RAY DIFFRACTIONc_angle_d_prot
X-RAY DIFFRACTIONc_angle_deg1.57436
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it
X-RAY DIFFRACTIONc_mcangle_it
X-RAY DIFFRACTIONc_scbond_it
X-RAY DIFFRACTIONc_scangle_it
LS refinement shellResolution: 1.69→1.72 Å / Rfactor Rfree error: 0.05 / Total num. of bins used: 10
RfactorNum. reflection% reflection
Rfree0.315 52 5 %
Rwork0.301 470 -
obs--94.1 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMPROTEIN.TOP
X-RAY DIFFRACTION2DNA-RNA_REP.PARAMDNA-RNA.TOP
X-RAY DIFFRACTION3WATER_REP.PARAMWATER.TOP
X-RAY DIFFRACTION4ION.PARAMION.TOP
X-RAY DIFFRACTION5PNP_PAR1.TXTPNP_TOP1.TXT

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