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- PDB-7le4: HIV-1 Protease WT (NL4-3) in Complex with UMass7 -

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Basic information

Entry
Database: PDB / ID: 7le4
TitleHIV-1 Protease WT (NL4-3) in Complex with UMass7
ComponentsProtease
KeywordsHYDROLASE/HYDROLASE INHIBITOR / HIV / NL4-3 PROTEASE / PROTEASE INHIBITOR / HYDROLASE INHIBITOR COMPLEX / HYDROLASE / HYDROLASE-HYDROLASE INHIBITOR COMPLEX
Function / homology
Function and homology information


aspartic-type endopeptidase activity / proteolysis
Similarity search - Function
Retropepsin-like catalytic domain / Retropepsins / Retroviral aspartyl protease / Aspartyl protease, retroviral-type family profile. / Peptidase A2A, retrovirus, catalytic / Aspartic peptidase, active site / Eukaryotic and viral aspartyl proteases active site. / Aspartic peptidase domain superfamily
Similarity search - Domain/homology
Biological speciesHuman immunodeficiency virus 1
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.993 Å
AuthorsLockbaum, G.J. / Rusere, L.N. / Henes, M. / Kosovrasti, K. / Lee, S.K. / Spielvogel, E. / Nalivaika, E.A. / Swanstrom, R. / KurtYilmaz, N. / Schiffer, C.A. / Ali, A.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)P01-GM109767 United States
CitationJournal: To Be Published
Title: HIV-1 Protease Inhibitors with a P1 Phosphonate Modification Maintain Potency against Drug Resistant Variants by Increased van der Waals Contacts with Flaps Residues
Authors: Lockbaum, G.J. / Rusere, L.N. / Henes, M. / Kosovrasti, K. / Lee, S.K. / Spielvogel, E. / Nalivaika, E.A. / Swanstrom, R. / KurtYilmaz, N. / Schiffer, C.A. / Ali, A.
History
DepositionJan 14, 2021Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jan 26, 2022Provider: repository / Type: Initial release
Revision 1.1Oct 18, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
B: Protease
A: Protease
hetero molecules


Theoretical massNumber of molelcules
Total (without water)22,92710
Polymers21,6642
Non-polymers1,2638
Water2,558142
1


  • Idetical with deposited unit
  • defined by software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area5090 Å2
ΔGint-98 kcal/mol
Surface area9450 Å2
MethodPISA
Unit cell
Length a, b, c (Å)50.866, 57.917, 62.302
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein Protease /


Mass: 10831.833 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Human immunodeficiency virus 1 / Gene: pol / Plasmid: pXC35 / Production host: Escherichia coli (E. coli) / References: UniProt: Q8ULI9
#2: Chemical
ChemComp-SO4 / SULFATE ION / Sulfate


Mass: 96.063 Da / Num. of mol.: 7 / Source method: obtained synthetically / Formula: SO4
#3: Chemical ChemComp-K2D / (3R,3aS,6aR)-hexahydrofuro[2,3-b]furan-3-yl [(1S,2R)-1-benzyl-3-{(2-ethylbutyl)[(4-methoxyphenyl)sulfonyl]amino}-2-hydroxypropyl]carbamate


Mass: 590.728 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Formula: C30H42N2O8S / Feature type: SUBJECT OF INVESTIGATION
#4: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 142 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestY

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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: 2.12 Å3/Da / Density % sol: 41.93 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop
Details: 23-24% (w/v) Ammonium Sulfate, 0.1M Bis-Tris-Methane-HCl Buffer pH 5.5

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU MICROMAX-007 HF / Wavelength: 1.54178 Å
DetectorType: RIGAKU SATURN 944 / Detector: CCD / Date: Mar 2, 2018
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.54178 Å / Relative weight: 1
ReflectionResolution: 1.99→25.44 Å / Num. obs: 13105 / % possible obs: 99.8 % / Redundancy: 6.8 % / Rmerge(I) obs: 0.07 / Net I/σ(I): 26.5
Reflection shellResolution: 1.99→2.02 Å / Redundancy: 6.1 % / Rmerge(I) obs: 0.418 / Mean I/σ(I) obs: 4.4 / Num. unique obs: 652 / % possible all: 99.5

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Processing

Software
NameVersionClassification
HKL-3000data scaling
PHASERphasing
PHENIX1.14_3211refinement
Cootmodel building
PDB_EXTRACT3.27data extraction
HKL-3000data reduction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 6DGX

6dgx


Resolution: 1.993→25.433 Å / SU ML: 0.2 / Cross valid method: THROUGHOUT / σ(F): 1.34 / Phase error: 22.31 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.2199 654 5.01 %
Rwork0.1796 12405 -
obs0.1816 13059 99.85 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso max: 134.54 Å2 / Biso mean: 34.8438 Å2 / Biso min: 13.25 Å2
Refinement stepCycle: final / Resolution: 1.993→25.433 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1500 0 118 142 1760
Biso mean--40.27 40.11 -
Num. residues----198
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0 / % reflection obs: 100 %

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection Rwork
1.993-2.14660.24421250.18062430
2.1466-2.36240.2441330.18532439
2.3624-2.7040.2441300.1912452
2.704-3.40540.21261290.18242496
3.4054-25.4330.20421370.17312588

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