3tpj

APO structure of BACE1

Method: X-RAY DIFFRACTION Dmax: 68.9 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 43–454 Fragment:UNP residues 43-454 Mutation:K75A, E77A SO4 SULFATE ION × 8 CL CHLORIDE ION × 1 URE UREA × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.4;293 K;20-25%(w/v) PEG 5000, 200mM monomethyl ether, 200mM ammonium iodide, 200mM sodium citrate, pH 6.4, vapor diffusion, hanging drop, temperature 293K Resolution 1.61 Å R-free 0.196

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 22–433; UniProt 43–454

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 3tpj

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id3tpj
Deposition date deposition_date2011-09-08
Structure title titleAPO structure of BACE1
Keywords keywordsHYDROLASE, PROTEASE, MEMAPSIN 2, BACE1; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.22
Radius of gyration Rg (electron density) rg_electron20.85
Forward intensity I(0) i030754700.00
Molecular weight molecular_weight41934.0 kDa
Excluded volume excluded_volume52091 ų
Envelope volume envelope_volume61630 ų
Hydration-shell volume shell_volume24248 ų
Envelope diameter envelope_diameter70.2
Shell Rg shell_rg27.93
Envelope Rg envelope_rg21.10
Shape Rg shape_rg20.82
Total Rg total_rg21.83
Total atoms total_atoms2946
Residues n_residues377
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 dmax68.9
Rg (real space) rg_real22.13
Rg uncertainty (real space) rg_real_error0.32
I(0) (real space) i0_real3.0750e+07
I(0) uncertainty (real space) i0_real_error3.4410e+05
Rg (reciprocal space) rg_reciprocal22.15
I(0) (reciprocal space) i0_reciprocal30760000.0000
Solution quality estimate total_estimate0.9048
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary26.7
Skewness Skewness skewness0.210
Kurtosis Kurtosis kurtosis-0.427
Angular range angular_range— – 0.3600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5790000.0000
Real-space data points n_real_points68
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.924; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.988

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd3tpja_
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_id3tpjA01
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_id3tpjA02
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)