4hzt

Structure-based design of novel dihydroisoquinoline BACE-1 inhibitors that do not engage the catalytic aspartates

Method: X-RAY DIFFRACTION Dmax: 71.2 Å Quality: GOOD

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

Beta-secretase 1

Homo sapiens

UniProt P56817

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 57–453 Fragment:unp residues 57-453 ZN ZINC ION × 3 0ZA 3-{(1S)-1-[(6-chloro-3,3-dimethyl-3,4-dihydroisoquinolin-1-yl)amino]-2-phenylethyl}-1,2,4-oxadiazol-5(2H)-one × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 5.3;277 K;BACE was concentrated to 10mg/ml in 100 mM borate pH 8.5, 9% PEG 8000, 100mM Sodium Acetate and 10mM ZnCl2, VAPOR DIFFUSION, temperature 277K Resolution 1.80 Å R-free 0.256
2 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 57–453 Fragment:unp residues 57-453 ZN ZINC ION × 6 0ZA 3-{(1S)-1-[(6-chloro-3,3-dimethyl-3,4-dihydroisoquinolin-1-yl)amino]-2-phenylethyl}-1,2,4-oxadiazol-5(2H)-one × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 5.3;277 K;BACE was concentrated to 10mg/ml in 100 mM borate pH 8.5, 9% PEG 8000, 100mM Sodium Acetate and 10mM ZnCl2, VAPOR DIFFUSION, temperature 277K Resolution 1.80 Å R-free 0.256

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.

430 other PDB entries and 735 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BACE1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–398; UniProt 57–453

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 4hzt

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4hzt
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4hzt
Deposition date deposition_date2012-11-15
Structure title titleStructure-based design of novel dihydroisoquinoline BACE-1 inhibitors that do not engage the catalytic aspartates
Keywords keywordsAspartic protease, Hydrolysis, 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_guinier22.33
Radius of gyration Rg (electron density) rg_electron21.36
Forward intensity I(0) i062612400.00
Molecular weight molecular_weight41452.0 kDa
Excluded volume excluded_volume40124 ų
Envelope volume envelope_volume65536 ų
Hydration-shell volume shell_volume25223 ų
Envelope diameter envelope_diameter72.3
Shell Rg shell_rg28.48
Envelope Rg envelope_rg21.51
Shape Rg shape_rg21.31
Total Rg total_rg22.08
Total atoms total_atoms3130
Residues n_residues393
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 dmax71.2
Rg (real space) rg_real22.23
Rg uncertainty (real space) rg_real_error0.43
I(0) (real space) i0_real6.2610e+07
I(0) uncertainty (real space) i0_real_error8.7680e+05
Rg (reciprocal space) rg_reciprocal22.25
I(0) (reciprocal space) i0_reciprocal62610000.0000
Solution quality estimate total_estimate0.8978
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary27.0
Skewness Skewness skewness0.200
Kurtosis Kurtosis kurtosis-0.448
Angular range angular_range— – 0.3550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha9461000.0000
Real-space data points n_real_points67
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.892; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.994; 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_idd4hzta1
Class classb — All beta proteins
Fold Fold foldb.50 — Acid proteases
Superfamily Superfamily superfamilyb.50.1 — Acid proteases
Family Family familyb.50.1.2 — Pepsin-like
Domain ID domain_idd4hzta2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (2 domains)

Domain ID domain_id4hztA01
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_id4hztA02
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)