6fiv

STRUCTURAL STUDIES OF HIV AND FIV PROTEASES COMPLEXED WITH AN EFFICIENT INHIBITOR OF FIV PR

Method: X-RAY DIFFRACTION Dmax: 49.8 Å Quality: GOOD

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

RETROPEPSIN

Feline immunodeficiency virus

UniProt P16088

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 42–154 Not recorded SO4 SULFATE ION × 2 3TL benzyl [(1S,4S,7S,8R,9R,10S,13S,16S)-7,10-dibenzyl-8,9-dihydroxy-1,16-dimethyl-4,13-bis(1-methylethyl)-2,5,12,15,18-pentaoxo-20-phenyl-19-oxa-3,6,11,14,17-pentaazaicos-1-yl]carbamate × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 5;SAMPLE: 3.4MG/ML Q99V IN 25MM IMIDAZOL BUFFER AT PH 7.0 WITH 1MM EDTA AND 10MM DTT. WELL SOLUTION: 1.6M AMMONIUM SULFATE IN SODIUM ACETATE BUFFER AT PH 4.5 MIXING SAMPLE AND WELL SOLLUTION 1:1, pH 5.0 Resolution 1.90 Å R-free 0.266

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.

19 other PDB entries and 28 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name POL_FIVPE
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–113; UniProt 42–154

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 6fiv

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6fiv
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id6fiv
Deposition date deposition_date1998-12-02
Structure title titleSTRUCTURAL STUDIES OF HIV AND FIV PROTEASES COMPLEXED WITH AN EFFICIENT INHIBITOR OF FIV PR
Keywords keywordsFIV PROTEASE, HYDROLASE-HYDROLASE INHIBITOR COMPLEX; HYDROLASE/HYDROLASE INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier15.33
Radius of gyration Rg (electron density) rg_electron13.88
Forward intensity I(0) i03515830.00
Molecular weight molecular_weight13252.0 kDa
Excluded volume excluded_volume16663 ų
Envelope volume envelope_volume19117 ų
Hydration-shell volume shell_volume11828 ų
Envelope diameter envelope_diameter49.1
Shell Rg shell_rg19.55
Envelope Rg envelope_rg14.21
Shape Rg shape_rg13.83
Total Rg total_rg15.23
Total atoms total_atoms929
Residues n_residues112
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 dmax49.8
Rg (real space) rg_real15.24
Rg uncertainty (real space) rg_real_error0.27
I(0) (real space) i0_real3.5160e+06
I(0) uncertainty (real space) i0_real_error3.8660e+04
Rg (reciprocal space) rg_reciprocal15.25
I(0) (reciprocal space) i0_reciprocal3516000.0000
Solution quality estimate total_estimate0.8816
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary18.3
Skewness Skewness skewness0.182
Kurtosis Kurtosis kurtosis-0.370
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha632200.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.823; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.988

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_idd6fiva_
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_id6fivA00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology70 — Cathepsin D, subunit A; domain 1
Homologous superfamily homologous superfamily10 — Acid Proteases

8. Citations (2)

9. Files and Curves (10)