3em4

Crystal structure of atazanavir (ATV) in complex with I50L/A71V drug-resistant HIV-1 protease

Method: X-RAY DIFFRACTION Dmax: 80.5 Å Quality: GOOD

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

Protease

HIV-1 M:B_ARV2/SF2

UniProt P03369

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 491–589 Chain B; UniProt 491–589 Fragment:UNP residues 491-589 Mutation:Q7K, I50L, A71V DR7 (3S,8S,9S,12S)-3,12-BIS(1,1-DIMETHYLETHYL)-8-HYDROXY-4,11-DIOXO-9-(PHENYLMETHYL)-6-[[4-(2-PYRIDINYL)PHENYL]METHYL]-2,5, 6,10,13-PENTAAZATETRADECANEDIOIC ACID DIMETHYL ESTER × 1 PO4 PHOSPHATE ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.2;300 K;pH 6.2, VAPOR DIFFUSION, HANGING DROP, temperature 300K Resolution 2.10 Å R-free 0.249
2 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain U; UniProt 491–589 Chain V; UniProt 491–589 Fragment:UNP residues 491-589 Mutation:Q7K, I50L, A71V DR7 (3S,8S,9S,12S)-3,12-BIS(1,1-DIMETHYLETHYL)-8-HYDROXY-4,11-DIOXO-9-(PHENYLMETHYL)-6-[[4-(2-PYRIDINYL)PHENYL]METHYL]-2,5, 6,10,13-PENTAAZATETRADECANEDIOIC ACID DIMETHYL ESTER × 1 PO4 PHOSPHATE ION × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.2;300 K;pH 6.2, VAPOR DIFFUSION, HANGING DROP, temperature 300K Resolution 2.10 Å R-free 0.249

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.

80 other PDB entries and 95 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name POL_HV1A2
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–99; UniProt 491–589 Author chain B; PDBConstruct 1–99; UniProt 491–589 Author chain U; PDBConstruct 1–99; UniProt 491–589 Author chain V; PDBConstruct 1–99; UniProt 491–589

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 3em4

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3em4
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3em4
Deposition date deposition_date2008-09-23
Structure title titleCrystal structure of atazanavir (ATV) in complex with I50L/A71V drug-resistant HIV-1 protease
Keywords keywordsdrug resistance, hypersusceptibility, protease inhibitor, hiv, atazanavir, AIDS, Hydrolase, Protease; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier24.25
Radius of gyration Rg (electron density) rg_electron23.47
Forward intensity I(0) i030422600.00
Molecular weight molecular_weight43847.0 kDa
Excluded volume excluded_volume55543 ų
Envelope volume envelope_volume65644 ų
Hydration-shell volume shell_volume23632 ų
Envelope diameter envelope_diameter82.4
Shell Rg shell_rg29.95
Envelope Rg envelope_rg23.45
Shape Rg shape_rg23.48
Total Rg total_rg24.22
Total atoms total_atoms3074
Residues n_residues396
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 dmax80.5
Rg (real space) rg_real24.25
Rg uncertainty (real space) rg_real_error0.49
I(0) (real space) i0_real3.0420e+07
I(0) uncertainty (real space) i0_real_error4.7100e+05
Rg (reciprocal space) rg_reciprocal24.25
I(0) (reciprocal space) i0_reciprocal30420000.0000
Solution quality estimate total_estimate0.8873
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.3
Skewness Skewness skewness0.333
Kurtosis Kurtosis kurtosis-0.371
Angular range angular_range— – 0.3250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha20960000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.863; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.948; Smooth: 0.993

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd3em4a_
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_idd3em4b_
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_idd3em4u_
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_idd3em4v_
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 (4 domains)

Domain ID domain_id3em4A00
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_id3em4B00
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_id3em4U00
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_id3em4V00
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)