4fe6

Crystal Structure of HIV-1 Protease in Complex with an enamino-oxindole inhibitor

Method: X-RAY DIFFRACTION Dmax: 52.7 Å Quality: GOOD

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

HIV protease

Human immunodeficiency virus type 1

UniProt P03367

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 501–599 Not recorded 0TQ (3R,3aS,6aR)-hexahydrofuro[2,3-b]furan-3-yl {(2S,3R)-3-hydroxy-4-[({(3Z)-3-[1-(methylamino)ethylidene]-2-oxo-2,3-dihydro-1H-indol-5-yl}sulfonyl)(2-methylpropyl)amino]-1-phenylbutan-2-yl}carbamate × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.6;295 K;0.3M AS, 5% ethanol, 5% methanol 10 mM DTT, pH 5.6, vapor diffusion, hanging drop, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.00 Å R-free 0.261

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.

198 other PDB entries and 210 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name POL_HV1BR
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–99; UniProt 501–599

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 4fe6

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4fe6
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4fe6
Deposition date deposition_date2012-05-29
Structure title titleCrystal Structure of HIV-1 Protease in Complex with an enamino-oxindole inhibitor
Keywords keywordsHYDROLASE-INHIBITOR complex; HYDROLASE/INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier14.48
Radius of gyration Rg (electron density) rg_electron13.49
Forward intensity I(0) i04686800.00
Molecular weight molecular_weight10583.0 kDa
Excluded volume excluded_volume10356 ų
Envelope volume envelope_volume17230 ų
Hydration-shell volume shell_volume11030 ų
Envelope diameter envelope_diameter52.0
Shell Rg shell_rg19.07
Envelope Rg envelope_rg14.06
Shape Rg shape_rg13.49
Total Rg total_rg14.50
Total atoms total_atoms803
Residues n_residues99
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 dmax52.7
Rg (real space) rg_real14.44
Rg uncertainty (real space) rg_real_error0.34
I(0) (real space) i0_real4.6870e+06
I(0) uncertainty (real space) i0_real_error4.7410e+04
Rg (reciprocal space) rg_reciprocal14.44
I(0) (reciprocal space) i0_reciprocal4687000.0000
Solution quality estimate total_estimate0.8259
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary17.3
Skewness Skewness skewness0.345
Kurtosis Kurtosis kurtosis-0.066
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1675000.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.596; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.947; Smooth: 0.999

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd4fe6a_
Class classb — All beta proteins
Fold Fold foldb.50 — Acid proteases
Superfamily Superfamily superfamilyb.50.1 — Acid proteases
Family Family familyb.50.1.1 — Retroviral protease (retropepsin)

CATH v4.4 (1 domains)

Domain ID domain_id4fe6A00
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)