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- PDB-1bis: HIV-1 INTEGRASE CORE DOMAIN -

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Basic information

Entry
Database: PDB / ID: 1bis
TitleHIV-1 INTEGRASE CORE DOMAIN
ComponentsHIV-1 INTEGRASE
KeywordsDNA INTEGRATION / INTEGRASE / HIV / HYDROLASE / ASPARTYL PROTEASE / ENDONUCLEASE
Function / homology
Function and homology information


HIV-1 retropepsin / 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 ...HIV-1 retropepsin / 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 / host cell / RNA-DNA hybrid ribonuclease activity / Transferases; Transferring phosphorus-containing groups; Nucleotidyltransferases / symbiont-mediated suppression of host gene expression / viral nucleocapsid / 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 / lipid binding / 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. / Retroviral nucleocapsid Gag protein p24, C-terminal domain / Gag protein p24 C-terminal domain / Retropepsin-like catalytic domain / Matrix protein, lentiviral and alpha-retroviral, N-terminal / Ribonuclease H domain / RNase H type-1 domain profile. / Reverse transcriptase (RNA-dependent DNA polymerase) / Reverse transcriptase domain / 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 / 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. / Ribonuclease H superfamily / Aspartic peptidase domain superfamily / Ribonuclease H-like superfamily / Reverse transcriptase/Diguanylate cyclase domain / DNA/RNA polymerase superfamily / 2-Layer Sandwich / Alpha Beta
Similarity search - Domain/homology
Biological speciesHuman immunodeficiency virus 1
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.95 Å
AuthorsGoldgur, Y. / Dyda, F. / Hickman, A.B. / Jenkins, T.M. / Craigie, R. / Davies, D.R.
Citation
Journal: Proc.Natl.Acad.Sci.USA / Year: 1998
Title: Three new structures of the core domain of HIV-1 integrase: an active site that binds magnesium.
Authors: Goldgur, Y. / Dyda, F. / Hickman, A.B. / Jenkins, T.M. / Craigie, R. / Davies, D.R.
#1: Journal: Science / Year: 1994
Title: Crystal Structure of the Catalytic Domain of HIV-1 Integrase: Similarity to Other Polynucleotidyl Transferases
Authors: Dyda, F. / Hickman, A.B. / Jenkins, T.M. / Engelman, A. / Craigie, R. / Davies, D.R.
History
DepositionJun 19, 1998Processing site: BNL
Revision 1.0Aug 19, 1998Provider: repository / Type: Initial release
Revision 1.1Mar 24, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Nov 3, 2021Group: Database references / Other
Category: database_2 / pdbx_database_status / struct_ref_seq_dif
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.process_site / _struct_ref_seq_dif.details
Revision 1.4Aug 2, 2023Group: Refinement description / Category: pdbx_initial_refinement_model
Revision 1.5May 22, 2024Group: Data collection / Category: chem_comp_atom / chem_comp_bond

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: HIV-1 INTEGRASE
B: HIV-1 INTEGRASE


Theoretical massNumber of molelcules
Total (without water)36,2692
Polymers36,2692
Non-polymers00
Water2,738152
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area2960 Å2
ΔGint-17 kcal/mol
Surface area13640 Å2
MethodPISA
Unit cell
Length a, b, c (Å)45.090, 45.080, 49.430
Angle α, β, γ (deg.)68.82, 64.74, 62.63
Int Tables number1
Space group name H-MP1
Noncrystallographic symmetry (NCS)NCS oper: (Code: given
Matrix: (-0.456182, -0.889688, 0.018811), (-0.889882, 0.456148, -0.006267), (-0.003005, -0.019598, -0.999803)
Vector: 0.0605, 0.0239, -0.2201)

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Components

#1: Protein HIV-1 INTEGRASE


Mass: 18134.643 Da / Num. of mol.: 2 / Fragment: CORE DOMAIN / Mutation: W131E, F185K
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Human immunodeficiency virus 1 / Genus: Lentivirus / Plasmid: PET15B / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21 / Variant (production host): DE3 / References: UniProt: P12497
#2: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 152 / 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: 2.18 Å3/Da / Density % sol: 43 %
Crystal growpH: 7
Details: PROTEIN WAS CRYSTALLIZED FROM 30% PEG 4000, 100 MM HEPES, PH 7.0, 5 MM DTT
Crystal
*PLUS
Crystal grow
*PLUS
pH: 7.5 / Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formula
14 mg/mlprotein1drop
220 mMTris-HCl1drop
30.5 M1dropNaCl
41 mMEDTA1drop
55 mMdithiothreitol1drop
630 %PEG40001reservoir
7100 mMHEPES1reservoir
85 mMdithiothreitol1reservoir

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Data collection

DiffractionMean temperature: 95 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RUH2R / Wavelength: 1.5418
DetectorType: RIGAKU / Detector: IMAGE PLATE / Date: Nov 1, 1997 / Details: MIRRORS
RadiationMonochromator: NI FILTER / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionHighest resolution: 1.95 Å / Num. obs: 20883 / % possible obs: 93.8 % / Observed criterion σ(I): -3 / Redundancy: 2 % / Rmerge(I) obs: 0.028 / Net I/σ(I): 25
Reflection shellResolution: 1.95→2.02 Å / Redundancy: 2 % / Rmerge(I) obs: 0.106 / Mean I/σ(I) obs: 8.6 / % possible all: 83.8
Reflection shell
*PLUS
% possible obs: 83.8 %

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Processing

Software
NameVersionClassification
X-PLOR3.1model building
X-PLOR3.1refinement
DENZOdata reduction
SCALEPACKdata scaling
X-PLOR3.1phasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1ITG

1itg


Rfactor Rfree error: 0.008 / Highest resolution: 1.95 Å / Data cutoff high absF: 10000000 / Data cutoff low absF: 0.001 / Cross valid method: THROUGHOUT / σ(F): 0
RfactorNum. reflection% reflectionSelection details
Rfree0.256 1012 5 %RANDOM
Rwork0.204 ---
obs0.204 20884 93.8 %-
Refinement stepCycle: LAST / Highest resolution: 1.95 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2457 0 0 152 2609
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.009
X-RAY DIFFRACTIONx_bond_d_na
X-RAY DIFFRACTIONx_bond_d_prot
X-RAY DIFFRACTIONx_angle_d
X-RAY DIFFRACTIONx_angle_d_na
X-RAY DIFFRACTIONx_angle_d_prot
X-RAY DIFFRACTIONx_angle_deg1.7
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d1.301
X-RAY DIFFRACTIONx_improper_angle_d_na
X-RAY DIFFRACTIONx_improper_angle_d_prot
X-RAY DIFFRACTIONx_mcbond_it
X-RAY DIFFRACTIONx_mcangle_it
X-RAY DIFFRACTIONx_scbond_it
X-RAY DIFFRACTIONx_scangle_it
LS refinement shellResolution: 1.95→1.98 Å / Rfactor Rfree error: 0.068 / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.361 28 3.5 %
Rwork0.3307 788 -
obs--83 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PARHCSDX.PROTOPH19.SOL
X-RAY DIFFRACTION2PARAM19.SOLTOPHCSDX.PRO
Software
*PLUS
Name: X-PLOR / Version: 3.1 / Classification: refinement
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_improper_angle_d
X-RAY DIFFRACTIONx_improper_angle_deg1.301
LS refinement shell
*PLUS
Rfactor Rfree: 0.361

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