2pk6

Crystal Structure of HIV-1 Protease (Q7K, L33I, L63I) in Complex with KNI-10033

Method: X-RAY DIFFRACTION Dmax: 61.6 Å Quality: GOOD

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

Protease

Human immunodeficiency virus 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 Chain B; UniProt 501–599 Mutation:Q7K O33 (4R)-N-[(1S,2R)-2-hydroxy-2,3-dihydro-1H-inden-1-yl]-3-[(2S,3S)-2-hydroxy-3-({N-[(isoquinolin-5-yloxy)acetyl]-S-methyl- L-cysteinyl}amino)-4-phenylbutanoyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxamide × 1 GOL GLYCEROL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;298 K;100 MES pH 6.5, 500 mM NaCl, 10 mM DTT, 3 mM NaN3, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 1.45 Å R-free 0.228

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 2pk6

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2pk6
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2pk6
Deposition date deposition_date2007-04-17
Structure title titleCrystal Structure of HIV-1 Protease (Q7K, L33I, L63I) in Complex with KNI-10033
Keywords keywordsPROTEASE COMPLEX, Viral Protein, 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_guinier18.12
Radius of gyration Rg (electron density) rg_electron17.16
Forward intensity I(0) i08072930.00
Molecular weight molecular_weight22456.0 kDa
Excluded volume excluded_volume28860 ų
Envelope volume envelope_volume32138 ų
Hydration-shell volume shell_volume15951 ų
Envelope diameter envelope_diameter63.0
Shell Rg shell_rg23.02
Envelope Rg envelope_rg17.60
Shape Rg shape_rg17.16
Total Rg total_rg18.18
Total atoms total_atoms1576
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 dmax61.6
Rg (real space) rg_real18.11
Rg uncertainty (real space) rg_real_error0.45
I(0) (real space) i0_real8.0730e+06
I(0) uncertainty (real space) i0_real_error1.0810e+05
Rg (reciprocal space) rg_reciprocal18.11
I(0) (reciprocal space) i0_reciprocal8073000.0000
Solution quality estimate total_estimate0.7890
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary20.0
Skewness Skewness skewness0.370
Kurtosis Kurtosis kurtosis-0.219
Angular range angular_range— – 0.4400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3516000.0000
Real-space data points n_real_points75
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.755; Stabil: 0.998; Sysdev: 1.000; Positv: 1.000; Valcen: 0.994; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd2pk6a_
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_idd2pk6b_
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_id2pk6A00
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_id2pk6B00
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)