2pxr

Crystal Structure of HIV-1 CA146 in the Presence of CAP-1

Method: X-RAY DIFFRACTION Dmax: 59.5 Å Quality: GOOD

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

Gag-Pol polyprotein (Pr160Gag-Pol)

OrganismNot specified

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 133–278 Fragment:N-Terminal Domain CL CHLORIDE ION × 1 ZN ZINC ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;286 K;100 mM Tris pH, 5% PEG 8000, 20% PEG 300, 10% glycerol, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 286K Resolution 1.50 Å R-free 0.221
2 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 133–278 Fragment:N-Terminal Domain CL CHLORIDE ION × 2 ZN ZINC ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;286 K;100 mM Tris pH, 5% PEG 8000, 20% PEG 300, 10% glycerol, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 286K Resolution 1.50 Å R-free 0.221
3 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 133–278 Fragment:N-Terminal Domain CL CHLORIDE ION × 2 ZN ZINC ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;286 K;100 mM Tris pH, 5% PEG 8000, 20% PEG 300, 10% glycerol, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 286K Resolution 1.50 Å R-free 0.221

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 209 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 C; PDBConstruct 1–146; UniProt 133–278

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 2pxr

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2pxr
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2pxr
Deposition date deposition_date2007-05-14
Structure title titleCrystal Structure of HIV-1 CA146 in the Presence of CAP-1
Keywords keywordsViral Capsid, HIV-1, Anti-Viral, Small molecule inhibition, VIRAL PROTEIN; VIRAL PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier17.15
Radius of gyration Rg (electron density) rg_electron16.05
Forward intensity I(0) i05295900.00
Molecular weight molecular_weight16248.0 kDa
Excluded volume excluded_volume20218 ų
Envelope volume envelope_volume23923 ų
Hydration-shell volume shell_volume13041 ų
Envelope diameter envelope_diameter56.7
Shell Rg shell_rg21.41
Envelope Rg envelope_rg16.51
Shape Rg shape_rg16.00
Total Rg total_rg17.19
Total atoms total_atoms1132
Residues n_residues145
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 dmax59.5
Rg (real space) rg_real17.13
Rg uncertainty (real space) rg_real_error0.38
I(0) (real space) i0_real5.2960e+06
I(0) uncertainty (real space) i0_real_error6.4250e+04
Rg (reciprocal space) rg_reciprocal17.13
I(0) (reciprocal space) i0_reciprocal5296000.0000
Solution quality estimate total_estimate0.8655
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary18.8
Skewness Skewness skewness0.302
Kurtosis Kurtosis kurtosis-0.330
Angular range angular_range— – 0.4650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha897000.0000
Real-space data points n_real_points77
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.760; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.968; Smooth: 0.998

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2pxrc_
Class classa — All alpha proteins
Fold Fold folda.73 — Retrovirus capsid protein, N-terminal core domain
Superfamily Superfamily superfamilya.73.1 — Retrovirus capsid protein, N-terminal core domain
Family Family familya.73.1.1 — Retrovirus capsid protein, N-terminal core domain

CATH v4.4 (1 domains)

Domain ID domain_id2pxrC00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology375 — Human Immunodeficiency Virus Type 1 Capsid Protein
Homologous superfamily homologous superfamily10 — Human Immunodeficiency Virus Type 1 Capsid Protein

8. Citations (1)

9. Files and Curves (10)