4obf

Crystal Structure of Nelfinavir-Resistant, Inactive HIV-1 Protease Variant (D30N/N88D) in Complex with the p1-p6 substrate variant (S451N)

Method: X-RAY DIFFRACTION Dmax: 81.7 Å Quality: REASONABLE

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

HIV-1 Protease

Human immunodeficiency virus type 1

UniProt P03369

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 491–589 Chain B; UniProt 491–589 Mutation:Q7K, D25N, D30N, V64I, N88D p1-p6 peptide × 1 (P03349) GOL GLYCEROL × 2 EDO 1,2-ETHANEDIOL × 5 PO4 PHOSPHATE ION × 1 ACT ACETATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.2;295 K;32% Ammonium Sulphate, 63mM Sodium Citrate, 126mM Sodium Phosphate, pH 6.2, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 1.68 Å R-free 0.229
2 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain C; UniProt 491–589 Chain D; UniProt 491–589 Mutation:Q7K, D25N, D30N, V64I, N88D p1-p6 peptide × 1 (P03349) GOL GLYCEROL × 2 EDO 1,2-ETHANEDIOL × 4 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.2;295 K;32% Ammonium Sulphate, 63mM Sodium Citrate, 126mM Sodium Phosphate, pH 6.2, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 1.68 Å R-free 0.229

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.

80 other PDB entries and 95 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name POL_HV1A2
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–99; UniProt 491–589 Author chain B; PDBConstruct 1–99; UniProt 491–589 Author chain C; PDBConstruct 1–99; UniProt 491–589 Author chain D; PDBConstruct 1–99; UniProt 491–589

p1-p6 peptide

OrganismNot specified

UniProt P03349

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain E; UniProt 446–455 Fragment:UNP residues 446-455 Mutation:S8N HIV-1 Protease × 2 (P03369) GOL GLYCEROL × 2 EDO 1,2-ETHANEDIOL × 5 PO4 PHOSPHATE ION × 1 ACT ACETATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.2;295 K;32% Ammonium Sulphate, 63mM Sodium Citrate, 126mM Sodium Phosphate, pH 6.2, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 1.68 Å R-free 0.229
2 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain F; UniProt 446–455 Fragment:UNP residues 446-455 Mutation:S8N HIV-1 Protease × 2 (P03369) GOL GLYCEROL × 2 EDO 1,2-ETHANEDIOL × 4 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.2;295 K;32% Ammonium Sulphate, 63mM Sodium Citrate, 126mM Sodium Phosphate, pH 6.2, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 1.68 Å R-free 0.229

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.

5 other PDB entries and 8 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name GAG_HV1A2
Isoform
PDB entities 2
Chains and sequence ranges Author chain E; PDBConstruct 1–10; UniProt 446–455 Author chain F; PDBConstruct 1–10; UniProt 446–455

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 4obf

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id4obf
Deposition date deposition_date2014-01-07
Structure title titleCrystal Structure of Nelfinavir-Resistant, Inactive HIV-1 Protease Variant (D30N/N88D) in Complex with the p1-p6 substrate variant (S451N)
Keywords keywordsCo-evolution, Resistance, Hydrolase; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier24.37
Radius of gyration Rg (electron density) rg_electron23.44
Forward intensity I(0) i031948700.00
Molecular weight molecular_weight45023.0 kDa
Excluded volume excluded_volume57152 ų
Envelope volume envelope_volume67208 ų
Hydration-shell volume shell_volume24158 ų
Envelope diameter envelope_diameter81.6
Shell Rg shell_rg30.19
Envelope Rg envelope_rg23.37
Shape Rg shape_rg23.44
Total Rg total_rg24.27
Total atoms total_atoms3157
Residues n_residues413
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 dmax81.7
Rg (real space) rg_real24.35
Rg uncertainty (real space) rg_real_error0.55
I(0) (real space) i0_real3.1950e+07
I(0) uncertainty (real space) i0_real_error4.3150e+05
Rg (reciprocal space) rg_reciprocal24.36
I(0) (reciprocal space) i0_reciprocal31950000.0000
Solution quality estimate total_estimate0.6820
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary80.4
Skewness Skewness skewness0.302
Kurtosis Kurtosis kurtosis-0.420
Angular range angular_range— – 0.3250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha23430000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.855; Stabil: 1.000; Sysdev: 0.137; Positv: 1.000; Valcen: 0.939; Smooth: 0.948

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id4obfA00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology70 — Cathepsin D, subunit A; domain 1
Homologous superfamily homologous superfamily10 — Acid Proteases
Domain ID domain_id4obfB00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology70 — Cathepsin D, subunit A; domain 1
Homologous superfamily homologous superfamily10 — Acid Proteases
Domain ID domain_id4obfC00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology70 — Cathepsin D, subunit A; domain 1
Homologous superfamily homologous superfamily10 — Acid Proteases
Domain ID domain_id4obfD00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology70 — Cathepsin D, subunit A; domain 1
Homologous superfamily homologous superfamily10 — Acid Proteases

8. Citations (1)

9. Files and Curves (10)