7sep

Cryo-EM Structure of the RT component of the HIV-1 Pol Polyprotein

Method: ELECTRON MICROSCOPY Dmax: 112.9 Å Quality: EXCELLENT

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

Gag-Pol polyprotein

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 479–1447 Chain B; UniProt 479–1447 Fragment:PR-RT portion, residues 479-1447 Mutation:D131A, L765D, F766D No other associated polymer ELECTRON MICROSCOPY cryo-EM buffer:pH 8 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.80 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
Chains and sequence ranges Author chain A; PDBConstruct 85–1053; UniProt 479–1447 Author chain B; PDBConstruct 85–1053; UniProt 479–1447

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 7sep

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id7sep
Deposition date deposition_date2021-10-01
Structure title titleCryo-EM Structure of the RT component of the HIV-1 Pol Polyprotein
Keywords keywordsHIV-1, VIRAL PROTEIN, enzyme, TRANSFERASE, HYDROLASE; VIRAL PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier35.00
Radius of gyration Rg (electron density) rg_electron34.22
Forward intensity I(0) i0162798000.00
Molecular weight molecular_weight107950.0 kDa
Excluded volume excluded_volume137690 ų
Envelope volume envelope_volume194180 ų
Hydration-shell volume shell_volume47024 ų
Envelope diameter envelope_diameter118.6
Shell Rg shell_rg41.13
Envelope Rg envelope_rg33.72
Shape Rg shape_rg34.17
Total Rg total_rg34.98
Total atoms total_atoms7641
Residues n_residues930
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 dmax112.9
Rg (real space) rg_real34.93
Rg uncertainty (real space) rg_real_error0.76
I(0) (real space) i0_real1.6280e+08
I(0) uncertainty (real space) i0_real_error2.6310e+06
Rg (reciprocal space) rg_reciprocal34.98
I(0) (reciprocal space) i0_reciprocal162800000.0000
Solution quality estimate total_estimate0.9009
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary40.1
Skewness Skewness skewness0.229
Kurtosis Kurtosis kurtosis-0.516
Angular range angular_range— – 0.2250 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha28520000.0000
Real-space data points n_real_points46
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.929; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.920

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

8. Citations (1)

9. Files and Curves (10)