1qbu

HIV-1 PROTEASE INHIBITORS WIIH LOW NANOMOLAR POTENCY

Method: X-RAY DIFFRACTION Dmax: 58.7 Å Quality: GOOD

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

HIV-1 PROTEASE

Human immunodeficiency virus 1

UniProt P04585

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 57–155 Chain B; UniProt 57–155 Not recorded 846 [4R--(1ALPHA,5ALPHA,7BETA)]-3-[(CYCLOPROPHYLMETHYL)HEXAHYDRO-5,6-DIHYDROXY-2-OXO-4,7-BIS(PHENYLMETHYL)-1H-1,3-DIAZEPIN] METHYL-2-THIAZOLYLBENZAMIDE × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 1.80 Å

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.

178 other PDB entries and 201 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name POL_HV1H2
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–99; UniProt 57–155 Author chain B; PDBConstruct 1–99; UniProt 57–155

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 1qbu

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1qbu
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1qbu
Deposition date deposition_date1997-04-25
Structure title titleHIV-1 PROTEASE INHIBITORS WIIH LOW NANOMOLAR POTENCY
Keywords keywordsHYDROLASE (ACID PROTEINASE), ASPARTYL PROTEASE; ASPARTYL PROTEASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier18.16
Radius of gyration Rg (electron density) rg_electron17.21
Forward intensity I(0) i07829270.00
Molecular weight molecular_weight22094.0 kDa
Excluded volume excluded_volume28390 ų
Envelope volume envelope_volume31722 ų
Hydration-shell volume shell_volume15782 ų
Envelope diameter envelope_diameter57.5
Shell Rg shell_rg22.93
Envelope Rg envelope_rg17.48
Shape Rg shape_rg17.19
Total Rg total_rg18.26
Total atoms total_atoms1883
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 dmax58.7
Rg (real space) rg_real18.12
Rg uncertainty (real space) rg_real_error0.31
I(0) (real space) i0_real7.8290e+06
I(0) uncertainty (real space) i0_real_error8.7870e+04
Rg (reciprocal space) rg_reciprocal18.13
I(0) (reciprocal space) i0_reciprocal7829000.0000
Solution quality estimate total_estimate0.8881
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary57.1
Skewness Skewness skewness0.319
Kurtosis Kurtosis kurtosis-0.309
Angular range angular_range— – 0.4400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3056000.0000
Real-space data points n_real_points75
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.847; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.999

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1qbua_
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_idd1qbub_
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_id1qbuA00
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_id1qbuB00
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)