7p15

Cryo-EM structure of HIV-1 reverse transcriptase with a DNA aptamer in complex with fragment F04 at the transient P-pocket

Method: ELECTRON MICROSCOPY Dmax: 108.7 Å Quality: GOOD

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

Reverse transcriptase/ribonuclease H

Human immunodeficiency virus type 1 BH10

UniProt P03366

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–DNA Homooligomer Protein × 2 DNA 1 PDB declaration: trimeric(3) Consistent with all polymer counts Chain A; UniProt 600–1153 Chain B; UniProt 600–1027 Fragment:P66 subunit Fragment:P51 subunit DNA (37-MER) × 1 4OI (1~{R},2~{R})-~{N}-(1~{H}-pyrazol-4-yl)-2-pyridin-3-yl-cyclopropane-1-carboxamide × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 8 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.58 Å

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.

383 other PDB entries and 469 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name POL_HV1B1
Isoform
PDB entities 1, 2
Chains and sequence ranges Author chain A; PDBConstruct 3–556; UniProt 600–1153 Author chain B; PDBConstruct 1–428; UniProt 600–1027

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 7p15

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7p15
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7p15
Deposition date deposition_date2021-07-01
Structure title titleCryo-EM structure of HIV-1 reverse transcriptase with a DNA aptamer in complex with fragment F04 at the transient P-pocket
Keywords keywordsReverse transcriptase, RT-aptamer complex, RT sliding, P-1 complex, P51, P66, TRANSFERASE; TRANSFERASE
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier33.68
Radius of gyration Rg (electron density) rg_electron33.50
Forward intensity I(0) i0235285000.00
Molecular weight molecular_weight122010.0 kDa
Excluded volume excluded_volume152220 ų
Envelope volume envelope_volume202280 ų
Hydration-shell volume shell_volume49783 ų
Envelope diameter envelope_diameter116.3
Shell Rg shell_rg40.73
Envelope Rg envelope_rg33.15
Shape Rg shape_rg33.49
Total Rg total_rg34.10
Total atoms total_atoms8587
Residues n_residues1001
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 dmax108.7
Rg (real space) rg_real33.60
Rg uncertainty (real space) rg_real_error1.01
I(0) (real space) i0_real2.3530e+08
I(0) uncertainty (real space) i0_real_error4.1280e+06
Rg (reciprocal space) rg_reciprocal33.65
I(0) (reciprocal space) i0_reciprocal235300000.0000
Solution quality estimate total_estimate0.8923
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary39.3
Skewness Skewness skewness0.283
Kurtosis Kurtosis kurtosis-0.378
Angular range angular_range— – 0.2350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha40830000.0000
Real-space data points n_real_points48
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.896; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.907

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)