4b77

Aminoimidazoles as BACE-1 Inhibitors: From De Novo Design to Ab- lowering in Brain

Method: X-RAY DIFFRACTION Dmax: 69.3 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 58–61 Chain A; UniProt 62–445 Fragment:RESIDUES 58-445 DMS DIMETHYL SULFOXIDE × 1 54M (5R)-5-(4-methoxyphenyl)-5-(3-pyrimidin-5-ylphenyl)-3,4-dihydropyrrol-2-amine × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7;pH 7 Resolution 1.80 Å R-free 0.248

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 736 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 1–4; UniProt 58–61 Author chain A; PDBConstruct 5–388; UniProt 62–445

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 4b77

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4b77
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4b77
Deposition date deposition_date2012-08-16
Structure title titleAminoimidazoles as BACE-1 Inhibitors: From De Novo Design to Ab- lowering in Brain
Keywords keywordsHYDROLASE, LEAD GENERATION, STRUCTURE-BASED DRUG DESIGN; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.00
Radius of gyration Rg (electron density) rg_electron20.80
Forward intensity I(0) i029537200.00
Molecular weight molecular_weight42312.0 kDa
Excluded volume excluded_volume53138 ų
Envelope volume envelope_volume61131 ų
Hydration-shell volume shell_volume24172 ų
Envelope diameter envelope_diameter71.2
Shell Rg shell_rg27.76
Envelope Rg envelope_rg21.00
Shape Rg shape_rg20.78
Total Rg total_rg21.72
Total atoms total_atoms2986
Residues n_residues376
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 dmax69.3
Rg (real space) rg_real21.88
Rg uncertainty (real space) rg_real_error0.41
I(0) (real space) i0_real2.9540e+07
I(0) uncertainty (real space) i0_real_error3.9770e+05
Rg (reciprocal space) rg_reciprocal21.91
I(0) (reciprocal space) i0_reciprocal29540000.0000
Solution quality estimate total_estimate0.8997
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary26.9
Skewness Skewness skewness0.209
Kurtosis Kurtosis kurtosis-0.423
Angular range angular_range— – 0.3600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5768000.0000
Real-space data points n_real_points68
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.901; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.992

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_idd4b77a1
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_idd4b77a2
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_id4b77A01
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_id4b77A02
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)