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- PDB-1htg: X-RAY CRYSTALLOGRAPHIC STUDIES OF A SERIES OF PENICILLIN-DERIVED ... -

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Basic information

Entry
Database: PDB / ID: 1htg
TitleX-RAY CRYSTALLOGRAPHIC STUDIES OF A SERIES OF PENICILLIN-DERIVED ASYMMETRIC INHIBITORS OF HIV-1 PROTEASE
ComponentsHIV-1 PROTEASE
KeywordsHYDROLASE(ACID PROTEINASE)
Function / homology
Function and homology information


RNA-directed DNA polymerase activity / 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 ...RNA-directed DNA polymerase activity / 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 / telomerase activity / viral penetration into host nucleus / RNA stem-loop binding / 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 / symbiont entry into host cell / viral translational frameshifting / lipid binding / host cell nucleus / host cell plasma membrane / virion membrane / structural molecule activity / 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 / 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 / Reverse transcriptase (RNA-dependent DNA polymerase) / Reverse transcriptase (RT) catalytic domain profile. / Retrovirus capsid, C-terminal / Retroviral matrix protein / Cathepsin D, subunit A; domain 1 / Acid Proteases / Retrovirus capsid, N-terminal / zinc finger / Zinc knuckle / 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
Chem-G37 / Gag-Pol polyprotein
Similarity search - Component
Biological speciesHuman immunodeficiency virus 1
MethodX-RAY DIFFRACTION / Resolution: 2 Å
AuthorsJhoti, H. / Wonacott, A. / Murray-Rust, P.
Citation
Journal: Biochemistry / Year: 1994
Title: X-ray crystallographic studies of a series of penicillin-derived asymmetric inhibitors of HIV-1 protease.
Authors: Jhoti, H. / Singh, O.M. / Weir, M.P. / Cooke, R. / Murray-Rust, P. / Wonacott, A.
#1: Journal: J.Med.Chem. / Year: 1993
Title: A Series of Penicillin-Derived C2-Symmetric Inhibitors of HIV-1 Proteinase: Structural and Modeling Studies
Authors: Wonacott, A. / Cooke, R. / Hayes, F.R. / Hayes, M.M. / Jhoti, H. / Mcmeekin, P. / Mistry, A. / Murray-Rust, P. / Singh, O.M.P. / Weir, M.P.
History
DepositionApr 29, 1994Processing site: BNL
Revision 1.0Jul 31, 1994Provider: repository / Type: Initial release
Revision 1.1Mar 24, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Nov 29, 2017Group: Advisory / Derived calculations / Other
Category: pdbx_database_status / pdbx_unobs_or_zero_occ_atoms ...pdbx_database_status / pdbx_unobs_or_zero_occ_atoms / struct_conf / struct_conf_type
Item: _pdbx_database_status.process_site
Revision 1.4Feb 7, 2024Group: Advisory / Data collection ...Advisory / Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_unobs_or_zero_occ_atoms / struct_conn / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _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

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)23,1314
Polymers21,6082
Non-polymers1,5242
Water2,234124
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area6350 Å2
ΔGint-30 kcal/mol
Surface area8970 Å2
MethodPISA
Unit cell
Length a, b, c (Å)59.300, 87.400, 46.600
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number18
Space group name H-MP21212
Atom site foot note1: THE CONFORMATION OF THE SIDE CHAINS FOR RESIDUES SER A 37, ARG A 41, LYS A 43, GLN A 61, ILE A 72, AND SER B 37 ARE UNCLEAR.

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Components

#1: Protein HIV-1 PROTEASE


Mass: 10803.756 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Human immunodeficiency virus 1 / Genus: Lentivirus / Production host: Escherichia coli (E. coli) / References: UniProt: P03366
#2: Chemical ChemComp-G37 / 2-(BENZYLCARBAMOYL-PHENYLACETYLAMINO-METHYL)-5,5-DIMETHYL-THIAZOLIDINE-4-CARBOXYLIC ACID 3-[(1H-BENZIMIDAZOL-2-YLMETHYLCARBAMOYL)-1-BENZYL-2-HYDROXYPROPYL]-AMIDE / GR137615


Mass: 761.931 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C42H47N7O5S
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 124 / Source method: isolated from a natural source / Formula: H2O
Nonpolymer detailsGR137615 2-(BENZYLCARBAMOYL-PHENYLACETYLAMINO-METHYL)-5,5- DIMETHYL-THIAZOLIDINE-4-CARBOXYLIC ACID ...GR137615 2-(BENZYLCARBAMOYL-PHENYLACETYLAMINO-METHYL)-5,5- DIMETHYL-THIAZOLIDINE-4-CARBOXYLIC ACID 3-[(1H-BENZIMIDAZOL -2-YLMETHYLCARBAMOYL)-1-BENZYL-2-HYDROXYPROPYL]-AMIDE.

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION

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Sample preparation

CrystalDensity Matthews: 2.79 Å3/Da / Density % sol: 55.96 %
Crystal grow
*PLUS
Temperature: 4 ℃ / Method: vapor diffusion, hanging drop / PH range low: 5.4 / PH range high: 3.4
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDDetails
14 mg/mlprotein1dropwith a 10-fold molar excess of inhibitor
2250-500 mMammonium sulfate1reservoir
350 mMMES1reservoircan be replaced with acetate buffer

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Data collection

RadiationScattering type: x-ray
Radiation wavelengthRelative weight: 1
Reflection
*PLUS
Highest resolution: 2 Å / Num. obs: 14219 / % possible obs: 88 % / Rmerge(I) obs: 0.074

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Processing

Software
NameClassification
X-PLORmodel building
X-PLORrefinement
X-PLORphasing
RefinementResolution: 2→8 Å / σ(F): 2 /
RfactorNum. reflection
Rwork0.19 -
obs0.19 13701
Refinement stepCycle: LAST / Resolution: 2→8 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1516 0 110 124 1750
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.016
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_deg3
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_d
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
Software
*PLUS
Name: X-PLOR / Classification: refinement
Refinement
*PLUS
Rfactor obs: 0.19 / Rfactor Rwork: 0.19
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Type: x_angle_d / Dev ideal: 3

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