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Basic information

Entry
Database: PDB / ID: 4ahv
TitleParallel screening of a low molecular weight compound library: do differences in methodology affect hit identification
ComponentsINTEGRASE
KeywordsTRANSFERASE
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
Ribonuclease H-like superfamily/Ribonuclease H / 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 ...Ribonuclease H-like superfamily/Ribonuclease H / 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 / Retrovirus capsid, C-terminal / Reverse transcriptase (RNA-dependent DNA polymerase) / Reverse transcriptase (RT) catalytic domain profile. / Retroviral matrix protein / Retrovirus capsid, N-terminal / zinc finger / Zinc knuckle / Zinc finger, CCHC-type superfamily / Zinc finger, CCHC-type / Zinc finger CCHC-type profile. / Nucleotidyltransferase; domain 5 / 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 / 2-Layer Sandwich / Alpha Beta
Similarity search - Domain/homology
ACETIC ACID / 1-[2-(1H-pyrazol-1-yl)phenyl]methanamine / Gag-Pol polyprotein
Similarity search - Component
Biological speciesHUMAN IMMUNODEFICIENCY VIRUS
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.8 Å
AuthorsWielens, J. / Heady, S.J. / Rhodes, D.I. / Mulder, R.J. / Dolezal, O. / Deadman, J.J. / Newman, J. / Chalmers, D.K. / Parker, M.W. / Peat, T.S. / Scanlon, M.J.
CitationJournal: J.Biomol.Screen / Year: 2013
Title: Parallel Screening of Low Molecular Weight Fragment Libraries: Do Differences in Methodology Affect Hit Identification?
Authors: Wielens, J. / Headey, S.J. / Rhodes, D.I. / Mulder, R.J. / Dolezal, O. / Deadman, J.J. / Newman, J. / Chalmers, D.K. / Parker, M.W. / Peat, T.S. / Scanlon, M.J.
History
DepositionFeb 7, 2012Deposition site: PDBE / Processing site: PDBE
Revision 1.0Dec 19, 2012Provider: repository / Type: Initial release
Revision 1.1Jan 30, 2013Group: Database references
Revision 1.2May 8, 2019Group: Data collection / Experimental preparation / Other
Category: exptl_crystal_grow / pdbx_database_proc / pdbx_database_status
Item: _exptl_crystal_grow.method / _pdbx_database_status.recvd_author_approval
Revision 1.3May 15, 2019Group: Data collection / Experimental preparation / Category: exptl_crystal_grow / Item: _exptl_crystal_grow.temp
Revision 1.4Dec 20, 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_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_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

Downloads & links

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Assembly

Deposited unit
A: INTEGRASE
B: INTEGRASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)41,76919
Polymers40,0892
Non-polymers1,68017
Water3,081171
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area5780 Å2
ΔGint-97.9 kcal/mol
Surface area13910 Å2
MethodPISA
Unit cell
Length a, b, c (Å)70.923, 70.923, 66.690
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number144
Space group name H-MP31

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Components

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Protein , 1 types, 2 molecules AB

#1: Protein INTEGRASE / IN


Mass: 20044.672 Da / Num. of mol.: 2 / Fragment: CATALYTIC DOMAIN, RESIDUES 1197-1359 / Mutation: YES
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) HUMAN IMMUNODEFICIENCY VIRUS / Strain: TYPE 1 / Production host: ESCHERICHIA COLI (E. coli)
References: UniProt: P12497, nicotinamide-nucleotide adenylyltransferase

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Non-polymers , 6 types, 188 molecules

#2: Chemical
ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: SO4
#3: Chemical ChemComp-ACY / ACETIC ACID


Mass: 60.052 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C2H4O2
#4: Chemical
ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL


Mass: 62.068 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: C2H6O2
#5: Chemical ChemComp-TAM / TRIS(HYDROXYETHYL)AMINOMETHANE


Mass: 163.215 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C7H17NO3 / Comment: pH buffer*YM
#6: Chemical ChemComp-Z5P / 1-[2-(1H-pyrazol-1-yl)phenyl]methanamine


Mass: 173.214 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C10H11N3
#7: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 171 / Source method: isolated from a natural source / Formula: H2O

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Details

Compound detailsENGINEERED RESIDUE IN CHAIN A, CYS1203 TO SER ENGINEERED RESIDUE IN CHAIN A, PHE1286 TO ASP ...ENGINEERED RESIDUE IN CHAIN A, CYS1203 TO SER ENGINEERED RESIDUE IN CHAIN A, PHE1286 TO ASP ENGINEERED RESIDUE IN CHAIN A, PHE1332 TO HIS ENGINEERED RESIDUE IN CHAIN B, CYS1203 TO SER ENGINEERED RESIDUE IN CHAIN B, PHE1286 TO ASP ENGINEERED RESIDUE IN CHAIN B, PHE1332 TO HIS

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 20

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Sample preparation

CrystalDensity Matthews: 2.94 Å3/Da / Density % sol: 58.2 % / Description: NONE
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop / pH: 5.5
Details: PROTEIN: 5.5MG/ML IN 40 MM TRIS BUFFER AT PH 8.0, 250 MM NACL, 30 MM MGCL2, 5MM DTT. CRYSTALLANT: 100 MM SODIUM ACETATE PH 5.0 TO 5.5, 1.2 TO 1.5 M AMMONIUM SULFATE AT 20C IN SITTING DROP ...Details: PROTEIN: 5.5MG/ML IN 40 MM TRIS BUFFER AT PH 8.0, 250 MM NACL, 30 MM MGCL2, 5MM DTT. CRYSTALLANT: 100 MM SODIUM ACETATE PH 5.0 TO 5.5, 1.2 TO 1.5 M AMMONIUM SULFATE AT 20C IN SITTING DROP PLATES. FRAGMENTS WERE SOAKED INTO PREFORMED CRYSTALS 24-48 HOURS PRIOR TO DATA COLLECTION.

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: Australian Synchrotron / Beamline: MX1 / Wavelength: 0.9531
DetectorType: ADSC QUANTUM 210r / Detector: CCD / Date: Apr 25, 2008
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9531 Å / Relative weight: 1
ReflectionResolution: 1.8→61.4 Å / Num. obs: 33604 / % possible obs: 96.6 % / Observed criterion σ(I): 1 / Redundancy: 3.9 % / Rmerge(I) obs: 0.08 / Net I/σ(I): 12.3
Reflection shellResolution: 1.8→1.9 Å / Redundancy: 2.4 % / Rmerge(I) obs: 0.82 / Mean I/σ(I) obs: 1.1 / % possible all: 81.3

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Processing

Software
NameVersionClassification
REFMAC5.6.0117refinement
MOSFLMdata reduction
SCALAdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 4AHR

4ahr


Resolution: 1.8→61.43 Å / Cor.coef. Fo:Fc: 0.961 / Cor.coef. Fo:Fc free: 0.932 / SU B: 2.613 / SU ML: 0.08 / Cross valid method: THROUGHOUT / ESU R: 0.117 / ESU R Free: 0.122 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. HYDROGENS HAVE BEEN USED IF PRESENT IN THE INPUT. U VALUES REFINED INDIVIDUALLY
RfactorNum. reflection% reflectionSelection details
Rfree0.22377 1689 5 %RANDOM
Rwork0.17486 ---
obs0.17736 31874 96.52 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 26.12 Å2
Baniso -1Baniso -2Baniso -3
1-0.07 Å20.04 Å20 Å2
2--0.07 Å20 Å2
3----0.11 Å2
Refinement stepCycle: LAST / Resolution: 1.8→61.43 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2323 0 106 171 2600
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0230.022629
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg2.1941.9673594
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.3125343
X-RAY DIFFRACTIONr_dihedral_angle_2_deg31.00925.495111
X-RAY DIFFRACTIONr_dihedral_angle_3_deg15.27615458
X-RAY DIFFRACTIONr_dihedral_angle_4_deg20.395158
X-RAY DIFFRACTIONr_chiral_restr0.1590.2412
X-RAY DIFFRACTIONr_gen_planes_refined0.0110.0211986
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_scangle_other
X-RAY DIFFRACTIONr_long_range_B_refined
X-RAY DIFFRACTIONr_long_range_B_other
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 1.8→1.847 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.418 94 -
Rwork0.342 1871 -
obs--77.24 %

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