2ohk

X-ray crystal structure of beta secretase complexed with 1-amino-isoquinoline

Method: X-RAY DIFFRACTION Dmax: 68.7 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 45–446 Fragment:protease domain Mutation:R56K, R57K IOD IODIDE ION × 3 DMS DIMETHYL SULFOXIDE × 1 1SQ ISOQUINOLIN-1-AMINE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.6;293 K;20-22.5% (w/v) PEG 5000 monomethylether (MME), 200 mM sodium citrate (pH 6.6), 200 mM ammonium iodide, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.20 Å R-free 0.279

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 1–402; UniProt 45–446

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 2ohk

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2ohk
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2ohk
Deposition date deposition_date2007-01-10
Structure title titleX-ray crystal structure of beta secretase complexed with 1-amino-isoquinoline
Keywords keywords;ALTERNATIVE SPLICING, ALZHEIMER'S DISEASE, ASPARTIC PROTEASE, ASPARTYL PROTEASE, BASE, BETA-SECRETASE, GLYCOPROTEIN, HYDROLASE, MEMAPSIN 2, TRANSMEMBRANE, ZYMOGEN ;; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.16
Radius of gyration Rg (electron density) rg_electron20.94
Forward intensity I(0) i031035300.00
Molecular weight molecular_weight42638.0 kDa
Excluded volume excluded_volume53123 ų
Envelope volume envelope_volume61977 ų
Hydration-shell volume shell_volume24326 ų
Envelope diameter envelope_diameter69.6
Shell Rg shell_rg27.96
Envelope Rg envelope_rg21.12
Shape Rg shape_rg20.91
Total Rg total_rg21.89
Total atoms total_atoms2992
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 dmax68.7
Rg (real space) rg_real22.02
Rg uncertainty (real space) rg_real_error0.33
I(0) (real space) i0_real3.1040e+07
I(0) uncertainty (real space) i0_real_error3.9360e+05
Rg (reciprocal space) rg_reciprocal22.05
I(0) (reciprocal space) i0_reciprocal31040000.0000
Solution quality estimate total_estimate0.9034
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary26.7
Skewness Skewness skewness0.185
Kurtosis Kurtosis kurtosis-0.444
Angular range angular_range— – 0.3600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5006000.0000
Real-space data points n_real_points68
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.921; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.995; Smooth: 0.982

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_idd2ohka_
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_id2ohkA01
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_id2ohkA02
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)