1mtr

HIV-1 PROTEASE COMPLEXED WITH A CYCLIC PHE-ILE-VAL PEPTIDOMIMETIC INHIBITOR

Method: X-RAY DIFFRACTION Dmax: 60.4 Å Quality: REASONABLE

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

HIV-1 PROTEASE

Human immunodeficiency virus 1

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 57–155 Chain B; UniProt 57–155 Non-standard monomer:Yes (specific site not provided by mmCIF) SO4 SULFATE ION × 3 PI6 [1-BENZYL-3-(8-SEC-BUTYL-7,10-DIOXO-2-OXA-6,9-DIAZA-BICYCLO[11.2.2] HEPTADECA-1(16),13(17),14-TRIEN-11-YLAMINO)-2-HYDROXY-PROPYL]-CARBAMIC ACID TERT-BUTYL ESTER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 5.5;pH 5.5 Resolution 1.75 Å R-free 0.244

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 96 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 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 1mtr

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1mtr
Deposition date deposition_date1996-02-15
Structure title titleHIV-1 PROTEASE COMPLEXED WITH A CYCLIC PHE-ILE-VAL PEPTIDOMIMETIC INHIBITOR
Keywords keywordsASPARTYL PROTEINASE, AIDS, ASPARTYL 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_guinier18.44
Radius of gyration Rg (electron density) rg_electron17.16
Forward intensity I(0) i08094070.00
Molecular weight molecular_weight22166.0 kDa
Excluded volume excluded_volume28341 ų
Envelope volume envelope_volume31842 ų
Hydration-shell volume shell_volume15850 ų
Envelope diameter envelope_diameter58.8
Shell Rg shell_rg23.02
Envelope Rg envelope_rg17.48
Shape Rg shape_rg17.14
Total Rg total_rg18.21
Total atoms total_atoms1558
Residues n_residues194
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 dmax60.4
Rg (real space) rg_real18.41
Rg uncertainty (real space) rg_real_error0.27
I(0) (real space) i0_real8.0940e+06
I(0) uncertainty (real space) i0_real_error9.2590e+04
Rg (reciprocal space) rg_reciprocal18.41
I(0) (reciprocal space) i0_reciprocal8094000.0000
Solution quality estimate total_estimate0.7438
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary19.9
Skewness Skewness skewness0.316
Kurtosis Kurtosis kurtosis-0.344
Angular range angular_range— – 0.4300 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha3472000.0000
Real-space data points n_real_points74
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.832; Stabil: 1.000; Sysdev: 0.391; Positv: 1.000; Valcen: 0.999; Smooth: 0.998

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_idd1mtra_
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_idd1mtrb_
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_id1mtrA00
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_id1mtrB00
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)