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- PDB-1ebw: HIV-1 protease in complex with the inhibitor BEA322 -

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Basic information

Entry
Database: PDB / ID: 1ebw
TitleHIV-1 protease in complex with the inhibitor BEA322
ComponentsHIV-1 PROTEASE
KeywordsHYDROLASE/HYDROLASE INHIBITOR / Dimer / protein-inhibitor complex / 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 / symbiont-mediated suppression of host gene expression / 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 / 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 / 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 / RNase H type-1 domain profile. / Ribonuclease H domain / Matrix protein, lentiviral and alpha-retroviral, N-terminal / Retroviral nucleocapsid Gag protein p24, C-terminal domain / Gag protein p24 C-terminal domain / Reverse transcriptase domain / Reverse transcriptase (RT) catalytic domain profile. / Retropepsins / Retroviral aspartyl protease / Aspartyl protease, retroviral-type family profile. / Peptidase A2A, retrovirus, catalytic / Reverse transcriptase (RNA-dependent DNA polymerase) / Retroviral matrix protein / Retrovirus capsid, C-terminal / Retrovirus capsid, N-terminal / zinc finger / Zinc knuckle / Zinc finger, CCHC-type superfamily / Cathepsin D, subunit A; domain 1 / Acid Proteases / Zinc finger, CCHC-type / Zinc finger CCHC-type profile. / 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 / Beta Barrel / Mainly Beta
Similarity search - Domain/homology
Chem-BEI / Gag-Pol polyprotein
Similarity search - Component
Biological speciesHuman immunodeficiency virus 1
MethodX-RAY DIFFRACTION / SYNCHROTRON / Resolution: 1.81 Å
AuthorsUnge, T.
CitationJournal: Eur.J.Biochem. / Year: 2003
Title: Optimization of P1-P3 groups in symmetric and asymmetric HIV-1 protease inhibitors
Authors: Andersson, H.O. / Fridborg, K. / Lowgren, S. / Alterman, M. / Muhlman, A. / Bjorsne, M. / Garg, N. / Kvarnstrom, I. / Schaal, W. / Classon, B. / Karlen, A. / Danielsson, U.H. / Ahlsen, G. / ...Authors: Andersson, H.O. / Fridborg, K. / Lowgren, S. / Alterman, M. / Muhlman, A. / Bjorsne, M. / Garg, N. / Kvarnstrom, I. / Schaal, W. / Classon, B. / Karlen, A. / Danielsson, U.H. / Ahlsen, G. / Nillroth, U. / Vrang, L. / Oberg, B. / Samuelsson, B. / Hallberg, A. / Unge, T.
History
DepositionJan 25, 2000Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jun 26, 2002Provider: repository / Type: Initial release
Revision 1.1Apr 27, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Feb 7, 2024Group: Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _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: HIV-1 PROTEASE
B: HIV-1 PROTEASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)22,2503
Polymers21,6082
Non-polymers6431
Water2,180121
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area5110 Å2
ΔGint-33 kcal/mol
Surface area9170 Å2
MethodPISA
Unit cell
Length a, b, c (Å)59.040, 86.830, 46.980
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number18
Space group name H-MP21212
DetailsThe biological assembly is a dimer

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Components

#1: Protein HIV-1 PROTEASE


Mass: 10803.756 Da / Num. of mol.: 2 / Fragment: FRAGMENT 69-167
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Human immunodeficiency virus 1 / Genus: Lentivirus / Plasmid: PET11C / Production host: Escherichia coli (E. coli) / References: UniProt: P03366, HIV-1 retropepsin
#2: Chemical ChemComp-BEI / N,N-[2,5-O-[DIBENZYL]-GLUCARYL]-DI-[ISOLEUCYL-AMIDO-METHANE] / INHIBITOR BEA322


Mass: 642.783 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C34H50N4O8
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 121 / 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: 2

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Sample preparation

CrystalDensity Matthews: 2.79 Å3/Da / Density % sol: 55.86 %
Crystal growTemperature: 277 K / Method: vapor diffusion, hanging drop / pH: 5.5
Details: 0.4 M Sodium chloride, 0.05 M MES, 0.02 % (W/V) sodium azide, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal grow
*PLUS
Temperature: 4 ℃ / pH: 6.5 / Details: used microseeding
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDDetailsChemical formula
12.0 mg/mlprotein1drop
250 mMMES1droppH6.5
310 mMdithiothreitol1drop
41 mMEDTA1drop
550 mMMES1reservoirpH5.5
60.5 M1reservoirNaCl

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Data collection

DiffractionMean temperature: 277 K
Diffraction sourceSource: SYNCHROTRON / Site: SRS / Beamline: PX9.6 / Wavelength: 0.92
DetectorType: MARRESEARCH / Detector: IMAGE PLATE / Date: Apr 4, 1996
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.92 Å / Relative weight: 1
ReflectionResolution: 1.81→24.64 Å / Num. all: 22825 / Num. obs: 16594 / % possible obs: 72.8 % / Observed criterion σ(F): 1 / Observed criterion σ(I): 1 / Redundancy: 2.7 % / Biso Wilson estimate: 10.5 Å2 / Rmerge(I) obs: 0.069 / Net I/σ(I): 12.7
Reflection shellResolution: 1.81→1.92 Å / Redundancy: 3.9 % / Rmerge(I) obs: 0.186 / Num. unique all: 1324 / % possible all: 37.7
Reflection
*PLUS
Highest resolution: 1.8 Å / Num. obs: 16613 / % possible obs: 69.7 % / Num. measured all: 42993 / Rmerge(I) obs: 0.094
Reflection shell
*PLUS
Highest resolution: 1.8 Å / Lowest resolution: 1.86 Å

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Processing

Software
NameVersionClassification
DENZOdata reduction
SCALEPACKdata scaling
X-PLORmodel building
CNS0.9refinement
X-PLORphasing
RefinementResolution: 1.81→24.64 Å / Rfactor Rfree error: 0.007 / Data cutoff high absF: 1329075.08 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / Stereochemistry target values: Engh & Huber / Details: Refined with CNS program system
RfactorNum. reflection% reflectionSelection details
Rfree0.219 866 5.2 %RANDOM
Rwork0.191 ---
all-22825 --
obs-16594 72.8 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 44.29 Å2 / ksol: 0.355 e/Å3
Displacement parametersBiso mean: 20.5 Å2
Baniso -1Baniso -2Baniso -3
1-1.43 Å20 Å20 Å2
2---2.32 Å20 Å2
3---0.89 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.23 Å0.2 Å
Luzzati d res low-5 Å
Luzzati sigma a0.13 Å0.13 Å
Refinement stepCycle: LAST / Resolution: 1.81→24.64 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1510 0 46 121 1677
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.006
X-RAY DIFFRACTIONc_angle_deg1.2
X-RAY DIFFRACTIONc_dihedral_angle_d25.6
X-RAY DIFFRACTIONc_improper_angle_d0.77
X-RAY DIFFRACTIONc_mcbond_it0.711.5
X-RAY DIFFRACTIONc_mcangle_it1.182
X-RAY DIFFRACTIONc_scbond_it6.972
X-RAY DIFFRACTIONc_scangle_it3.72.5
LS refinement shellResolution: 1.81→1.92 Å / Rfactor Rfree error: 0.028 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.243 73 5.2 %
Rwork0.23 1324 -
obs--37.7 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PAPROTEIN.TOP
X-RAY DIFFRACTION2WATER_REP.PARABEA322.TOP
X-RAY DIFFRACTION3BEA322.PAR
Refinement
*PLUS
Lowest resolution: 24.6 Å / Rfactor Rfree: 0.218 / Rfactor Rwork: 0.19
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_angle_deg1.3
X-RAY DIFFRACTIONc_dihedral_angle_d
X-RAY DIFFRACTIONc_dihedral_angle_deg25.7
X-RAY DIFFRACTIONc_improper_angle_d
X-RAY DIFFRACTIONc_improper_angle_deg0.79
LS refinement shell
*PLUS
Rfactor Rwork: 0.23

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