3ecg

High Resolution HIV-2 Protease Structure in Complex with Antiviral Inhibitor GRL-98065

Method: X-RAY DIFFRACTION Dmax: 60.9 Å Quality: GOOD

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

Protease

Human immunodeficiency virus type 2 (ISOLATE ROD)

UniProt P04584

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 514–612 Chain B; UniProt 514–612 Not recorded 065 (3R,3AS,6AR)-HEXAHYDROFURO[2,3-B]FURAN-3-YL(2S,3R)-3-HYDROXY-4-(N-ISOBUTYLBENZO[D][1,3]DIOXOLE-5-SULFONAMIDO)-1-PHENYLBUTAN-2-YLCARBAMATE × 1 IMD IMIDAZOLE × 6 ZN ZINC ION × 11 CL CHLORIDE ION × 9 NA SODIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.75;293 K;0.6-0.7M imidazole, 0.12-0.14M Zn(OAc)2 buffer, 1.25-2M NaCl, pH 5.75, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 1.18 Å R-free 0.188

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.

21 other PDB entries and 38 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name POL_HV2RO
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–99; UniProt 514–612 Author chain B; PDBConstruct 1–99; UniProt 514–612

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 3ecg

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3ecg
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3ecg
Deposition date deposition_date2008-08-29
Structure title titleHigh Resolution HIV-2 Protease Structure in Complex with Antiviral Inhibitor GRL-98065
Keywords keywordsHIV-2, aspartic protease, inhibitor, protease-inhibitor complex, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier18.25
Radius of gyration Rg (electron density) rg_electron17.42
Forward intensity I(0) i018924300.00
Molecular weight molecular_weight21850.0 kDa
Excluded volume excluded_volume20866 ų
Envelope volume envelope_volume33004 ų
Hydration-shell volume shell_volume16200 ų
Envelope diameter envelope_diameter61.4
Shell Rg shell_rg23.15
Envelope Rg envelope_rg17.75
Shape Rg shape_rg17.31
Total Rg total_rg18.24
Total atoms total_atoms1601
Residues n_residues198
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 dmax60.9
Rg (real space) rg_real18.23
Rg uncertainty (real space) rg_real_error0.27
I(0) (real space) i0_real1.8920e+07
I(0) uncertainty (real space) i0_real_error2.1750e+05
Rg (reciprocal space) rg_reciprocal18.24
I(0) (reciprocal space) i0_reciprocal18920000.0000
Solution quality estimate total_estimate0.8787
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary21.4
Skewness Skewness skewness0.379
Kurtosis Kurtosis kurtosis-0.203
Angular range angular_range— – 0.4350 −1
Current regularization parameter α current_alpha0.0002
Highest regularization parameter α highest_alpha4594000.0000
Real-space data points n_real_points75
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.810; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.996; Smooth: 0.992

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd3ecga_
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)
Domain ID domain_idd3ecgb_
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 (2 domains)

Domain ID domain_id3ecgA00
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_id3ecgB00
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)