4b3p

Structures of HIV-1 RT and RNA-DNA Complex Reveal a Unique RT Conformation and Substrate Interface

Method: X-RAY DIFFRACTION Dmax: 108.6 Å Quality: REASONABLE

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

REVERSE TRANSCRIPTASE/RIBONUCLEASE H

HUMAN IMMUNODEFICIENCY VIRUS 1

UniProt P04585

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Homooligomer Protein × 2 DNA 1 RNA 1 PDB declaration: tetrameric(4) Consistent with all polymer counts Chain A; UniProt 588–1147 Chain B; UniProt 588–1027 Mutation:YES DNA × 1 RNA × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 6.5;277 K;RT COMPLEX WAS MIXED WITH RESERVOIR SOLUTION CONTAINING 50MM SODIUM CACODYLATE PH6.5), 10MM MGCL2, 0.2M KCL, AND 10% PEG4000 (W/V). VAPOR DIFFUSION 4C. Resolution 4.84 Å R-free 0.404

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.

178 other PDB entries and 201 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name POL_HV1H2
Isoform
PDB entities 1, 2
Chains and sequence ranges Author chain A; PDBConstruct 1–560; UniProt 588–1147 Author chain B; PDBConstruct 15–454; UniProt 588–1027

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 4b3p

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4b3p
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4b3p
Deposition date deposition_date2012-07-25
Structure title titleStructures of HIV-1 RT and RNA-DNA Complex Reveal a Unique RT Conformation and Substrate Interface
Keywords keywordsHYDROLASE-RNA-DNA COMPLEX, RNASE H, SUBUNIT INTERFACE, HYBRID; HYDROLASE/RNA/DNA
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier33.65
Radius of gyration Rg (electron density) rg_electron33.53
Forward intensity I(0) i0227487000.00
Molecular weight molecular_weight116220.0 kDa
Excluded volume excluded_volume143400 ų
Envelope volume envelope_volume203210 ų
Hydration-shell volume shell_volume49898 ų
Envelope diameter envelope_diameter116.7
Shell Rg shell_rg40.77
Envelope Rg envelope_rg33.44
Shape Rg shape_rg33.51
Total Rg total_rg34.13
Total atoms total_atoms8162
Residues n_residues965
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 dmax108.6
Rg (real space) rg_real33.60
Rg uncertainty (real space) rg_real_error0.76
I(0) (real space) i0_real2.2750e+08
I(0) uncertainty (real space) i0_real_error3.5180e+06
Rg (reciprocal space) rg_reciprocal33.63
I(0) (reciprocal space) i0_reciprocal227500000.0000
Solution quality estimate total_estimate0.6721
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary39.3
Skewness Skewness skewness0.316
Kurtosis Kurtosis kurtosis-0.295
Angular range angular_range— – 0.2350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha35810000.0000
Real-space data points n_real_points48
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.888; Stabil: 1.000; Sysdev: 0.078; Positv: 1.000; Valcen: 1.000; Smooth: 0.834

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)