3avm

Crystal structures of novel allosteric peptide inhibitors of HIV integrase in the LEDGF binding site

Method: X-RAY DIFFRACTION Dmax: 61.6 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

Integrase

Human immunodeficiency virus type 1

UniProt P12497

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 1197–1359 Chain B; UniProt 1197–1359 Fragment:CCD domain (UNP RESIDUES 1197-1359) Mutation:C56S, F139D, F185H LEDGF peptide × 2 SO4 SULFATE ION × 8 CL CHLORIDE ION × 2 ACY ACETIC ACID × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;40mM Tris pH 8.0, 250mM NaCl, 30mM MgCl2, 5mM DTT, 1.6-2.0M ammonium sulfate, 100mM sodium acetate buffer pH 5.0-5.5, vapor diffusion, sitting drop, temperature 293K Resolution 1.88 Å R-free 0.197

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

163 other PDB entries and 211 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name POL_HV1N5
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 21–183; UniProt 1197–1359 Author chain B; PDBConstruct 21–183; UniProt 1197–1359

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 3avm

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3avm
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3avm
Deposition date deposition_date2011-03-05
Structure title titleCrystal structures of novel allosteric peptide inhibitors of HIV integrase in the LEDGF binding site
Keywords keywordsprotein-protein interactions, HIV, RECOMBINATION-INHIBITOR complex; RECOMBINATION/INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier20.06
Radius of gyration Rg (electron density) rg_electron18.85
Forward intensity I(0) i023324700.00
Molecular weight molecular_weight35835.0 kDa
Excluded volume excluded_volume44414 ų
Envelope volume envelope_volume51825 ų
Hydration-shell volume shell_volume22198 ų
Envelope diameter envelope_diameter63.2
Shell Rg shell_rg25.99
Envelope Rg envelope_rg19.17
Shape Rg shape_rg18.83
Total Rg total_rg19.81
Total atoms total_atoms2508
Residues n_residues314
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax61.6
Rg (real space) rg_real19.91
Rg uncertainty (real space) rg_real_error0.23
I(0) (real space) i0_real2.3320e+07
I(0) uncertainty (real space) i0_real_error2.5830e+05
Rg (reciprocal space) rg_reciprocal19.94
I(0) (reciprocal space) i0_reciprocal23330000.0000
Solution quality estimate total_estimate0.7597
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.5
Skewness Skewness skewness0.070
Kurtosis Kurtosis kurtosis-0.476
Angular range angular_range— – 0.3950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6824000.0000
Real-space data points n_real_points71
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.894; Stabil: 1.000; Sysdev: 0.406; Positv: 1.000; Valcen: 0.972; Smooth: 0.999

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id3avmA00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily10 — Ribonuclease H-like superfamily/Ribonuclease H
Domain ID domain_id3avmB00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily10 — Ribonuclease H-like superfamily/Ribonuclease H

8. Citations (1)

9. Files and Curves (10)