3h0b

Discovery of aminoheterocycles as a novel beta-secretase inhibitor class

Method: X-RAY DIFFRACTION Dmax: 115.1 Å Quality: EXCELLENT

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 43–446 Not recorded B35 4-[(1S)-1-(3-fluoro-4-methoxyphenyl)-2-(2-methoxy-5-nitrophenyl)ethyl]-1H-imidazol-2-amine × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;293 K;1.5M Lithium Sulfate, 0.1M HEPES pH 7.5; crystals were soaked in 1.5M Lithium Sulfate, 0.1M Na Citrate, pH 5.0, 0.5mM inhibitor, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.70 Å R-free 0.251
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 43–446 Not recorded B35 4-[(1S)-1-(3-fluoro-4-methoxyphenyl)-2-(2-methoxy-5-nitrophenyl)ethyl]-1H-imidazol-2-amine × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;293 K;1.5M Lithium Sulfate, 0.1M HEPES pH 7.5; crystals were soaked in 1.5M Lithium Sulfate, 0.1M Na Citrate, pH 5.0, 0.5mM inhibitor, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.70 Å R-free 0.251
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 43–446 Not recorded B35 4-[(1S)-1-(3-fluoro-4-methoxyphenyl)-2-(2-methoxy-5-nitrophenyl)ethyl]-1H-imidazol-2-amine × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;293 K;1.5M Lithium Sulfate, 0.1M HEPES pH 7.5; crystals were soaked in 1.5M Lithium Sulfate, 0.1M Na Citrate, pH 5.0, 0.5mM inhibitor, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.70 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.

430 other PDB entries and 734 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 2–405; UniProt 43–446 Author chain B; PDBConstruct 2–405; UniProt 43–446 Author chain C; PDBConstruct 2–405; UniProt 43–446

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 3h0b

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3h0b
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3h0b
Deposition date deposition_date2009-04-08
Structure title titleDiscovery of aminoheterocycles as a novel beta-secretase inhibitor class
Keywords keywords;Aspartyl Protease, Alternative splicing, Disulfide bond, Glycoprotein, Hydrolase, Membrane, Polymorphism, Protease, Transmembrane, Zymogen ;; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier36.92
Radius of gyration Rg (electron density) rg_electron36.39
Forward intensity I(0) i0235156000.00
Molecular weight molecular_weight125880.0 kDa
Excluded volume excluded_volume157940 ų
Envelope volume envelope_volume202550 ų
Hydration-shell volume shell_volume46189 ų
Envelope diameter envelope_diameter123.5
Shell Rg shell_rg42.78
Envelope Rg envelope_rg36.02
Shape Rg shape_rg36.38
Total Rg total_rg36.85
Total atoms total_atoms8885
Residues n_residues1118
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 dmax115.1
Rg (real space) rg_real36.82
Rg uncertainty (real space) rg_real_error0.99
I(0) (real space) i0_real2.3520e+08
I(0) uncertainty (real space) i0_real_error3.9850e+06
Rg (reciprocal space) rg_reciprocal36.89
I(0) (reciprocal space) i0_reciprocal235200000.0000
Solution quality estimate total_estimate0.9098
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary48.2
Skewness Skewness skewness0.140
Kurtosis Kurtosis kurtosis-0.712
Angular range angular_range— – 0.2150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha49970000.0000
Real-space data points n_real_points44
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.964; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.991; Smooth: 0.940

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 9 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd3h0ba_
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_idd3h0bb_
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_idd3h0bc_
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 (6 domains)

Domain ID domain_id3h0bA01
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_id3h0bA02
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_id3h0bB01
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_id3h0bB02
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_id3h0bC01
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_id3h0bC02
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)