4gb2

HIV-1 protease (mutant Q7K L33I L63I) in complex with a bicyclic pyrrolidine inhibitor

Method: X-RAY DIFFRACTION Dmax: 59.8 Å Quality: GOOD

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

Gag-Pol polyprotein

Human immunodeficiency virus type 1 (BRU ISOLATE)

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 Chain B; UniProt 501–599 Fragment:UNP residues 501-599 Mutation:Q7K, L33I, L63I CL CHLORIDE ION × 3 GOL GLYCEROL × 2 0LQ (4aS,7aS)-1,4-bis(diphenylmethyl)hexahydro-1H-pyrrolo[3,4-b]pyrazine-2,3-dione × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5.5;291 K;100mM sodium citrate, 3 mM NaN3, 100 mM DTT, 1150 mM NaCl, pH 5.5, VAPOR, DIFFUSION, SITTING DROP, temperature 291K, VAPOR DIFFUSION, SITTING DROP Resolution 1.79 Å R-free 0.222

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 Author chain B; 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 4gb2

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4gb2
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4gb2
Deposition date deposition_date2012-07-26
Structure title titleHIV-1 protease (mutant Q7K L33I L63I) in complex with a bicyclic pyrrolidine inhibitor
Keywords keywordsDimer, ASPARTYL PROTEASE, INHIBITOR, 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_guinier17.83
Radius of gyration Rg (electron density) rg_electron17.04
Forward intensity I(0) i015617900.00
Molecular weight molecular_weight20405.0 kDa
Excluded volume excluded_volume19974 ų
Envelope volume envelope_volume31375 ų
Hydration-shell volume shell_volume15730 ų
Envelope diameter envelope_diameter59.2
Shell Rg shell_rg22.74
Envelope Rg envelope_rg17.35
Shape Rg shape_rg17.01
Total Rg total_rg17.78
Total atoms total_atoms1546
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 dmax59.8
Rg (real space) rg_real17.80
Rg uncertainty (real space) rg_real_error0.30
I(0) (real space) i0_real1.5620e+07
I(0) uncertainty (real space) i0_real_error1.7080e+05
Rg (reciprocal space) rg_reciprocal17.80
I(0) (reciprocal space) i0_reciprocal15620000.0000
Solution quality estimate total_estimate0.8784
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary20.2
Skewness Skewness skewness0.346
Kurtosis Kurtosis kurtosis-0.303
Angular range angular_range— – 0.4450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6103000.0000
Real-space data points n_real_points75
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.811; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.995; Smooth: 0.988

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd4gb2a_
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_idd4gb2b_
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_id4gb2A00
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_id4gb2B00
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)