1kjf

SUBSTRATE SHAPE DETERMINES SPECIFICITY OF RECOGNITION RECOGNITION FOR HIV-1 PROTEASE: ANALYSIS OF CRYSTAL STRUCTURES OF SIX SUBSTRATE COMPLEXES

Method: X-RAY DIFFRACTION Dmax: 58.8 Å Quality: GOOD

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

POL POLYPROTEIN

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 heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 57–155 Chain B; UniProt 57–155 Fragment:HIV-1 PROTEASE, RESIDUES 57-155 Mutation:D25N,Q7K GAG POLYPROTEIN × 1 (P20875) ACT ACETATE ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;298 K;AMMONIUM SULPHATE, SODIUM PHOSPHATE, SODIUM CITRATE, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 2.00 Å R-free 0.251

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

GAG POLYPROTEIN

OrganismNot specified

UniProt P20875

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 heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain P; UniProt 443–452 Fragment:p1-p6 SUBSTRATE PEPTIDE, RESIDUES 443-452 POL POLYPROTEIN × 2 (P03369) ACT ACETATE ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;298 K;AMMONIUM SULPHATE, SODIUM PHOSPHATE, SODIUM CITRATE, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 2.00 Å R-free 0.251

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.

2 other PDB entries and 4 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name POL_HV1JR
Isoform
PDB entities 2
Chains and sequence ranges Author chain P; PDBConstruct 1–10; UniProt 443–452

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 1kjf

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1kjf
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id1kjf
Deposition date deposition_date2001-12-04
Structure title titleSUBSTRATE SHAPE DETERMINES SPECIFICITY OF RECOGNITION RECOGNITION FOR HIV-1 PROTEASE: ANALYSIS OF CRYSTAL STRUCTURES OF SIX SUBSTRATE COMPLEXES
Keywords keywordsp1-p6, SUBSTRATE RECOGNITION, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier17.97
Radius of gyration Rg (electron density) rg_electron17.01
Forward intensity I(0) i08154810.00
Molecular weight molecular_weight21902.0 kDa
Excluded volume excluded_volume27919 ų
Envelope volume envelope_volume31835 ų
Hydration-shell volume shell_volume15990 ų
Envelope diameter envelope_diameter57.7
Shell Rg shell_rg22.72
Envelope Rg envelope_rg17.22
Shape Rg shape_rg17.02
Total Rg total_rg17.97
Total atoms total_atoms1539
Residues n_residues201
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 dmax58.8
Rg (real space) rg_real17.93
Rg uncertainty (real space) rg_real_error0.25
I(0) (real space) i0_real8.1550e+06
I(0) uncertainty (real space) i0_real_error8.8960e+04
Rg (reciprocal space) rg_reciprocal17.93
I(0) (reciprocal space) i0_reciprocal8155000.0000
Solution quality estimate total_estimate0.8832
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary19.9
Skewness Skewness skewness0.321
Kurtosis Kurtosis kurtosis-0.281
Angular range angular_range— – 0.4450 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha3547000.0000
Real-space data points n_real_points75
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.826; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; 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_idd1kjfa_
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_idd1kjfb_
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_id1kjfA00
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_id1kjfB00
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)