4acu

Aminoimidazoles as BACE-1 Inhibitors. X-RAY CRYSTAL STRUCTURE OF BETA SECRETASE COMPLEXED WITH COMPOUND 14

Method: X-RAY DIFFRACTION Dmax: 69.1 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 43–61 Chain A; UniProt 62–453 Fragment:RESIDUES 43-453 Mutation:YES ACT ACETATE ION × 3 QN7 (8S)-3,3-DIFLUORO-8-(2'-FLUORO-3'-METHOXYBIPHENYL-3-YL)-8-PYRIDIN-4-YL-2,3,4,8-TETRAHYDROIMIDAZO[1,5-A]PYRIMIDIN-6-AMINE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 5;11% PEG6K, 90 MM NAAC PH 5.0, 18 MM TRIS PH 8.5, 135 MM NACL. Resolution 1.75 Å R-free 0.212

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 1–19; UniProt 43–61 Author chain A; PDBConstruct 20–411; UniProt 62–453

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 4acu

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id4acu
Deposition date deposition_date2011-12-19
Structure title titleAminoimidazoles as BACE-1 Inhibitors. X-RAY CRYSTAL STRUCTURE OF BETA SECRETASE COMPLEXED WITH COMPOUND 14
Keywords keywords;HYDROLASE, ALZHEIMER'S DISEASE ;; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier21.90
Radius of gyration Rg (electron density) rg_electron20.75
Forward intensity I(0) i029174600.00
Molecular weight molecular_weight42103.0 kDa
Excluded volume excluded_volume52834 ų
Envelope volume envelope_volume60788 ų
Hydration-shell volume shell_volume24057 ų
Envelope diameter envelope_diameter71.5
Shell Rg shell_rg27.75
Envelope Rg envelope_rg20.99
Shape Rg shape_rg20.73
Total Rg total_rg21.67
Total atoms total_atoms2973
Residues n_residues372
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 dmax69.1
Rg (real space) rg_real21.79
Rg uncertainty (real space) rg_real_error0.35
I(0) (real space) i0_real2.9170e+07
I(0) uncertainty (real space) i0_real_error3.5370e+05
Rg (reciprocal space) rg_reciprocal21.81
I(0) (reciprocal space) i0_reciprocal29170000.0000
Solution quality estimate total_estimate0.8980
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.8
Skewness Skewness skewness0.219
Kurtosis Kurtosis kurtosis-0.411
Angular range angular_range— – 0.3650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5948000.0000
Real-space data points n_real_points68
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.896; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.983

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd4acua_
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

CATH v4.4 (2 domains)

Domain ID domain_id4acuA01
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_id4acuA02
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)