2p4j

Crystal structure of beta-secretase bond to an inhibitor with Isophthalamide Derivatives at P2-P3

Method: X-RAY DIFFRACTION Dmax: 147.2 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 58–446 Fragment:Catalytic domain 23I N-[(1S,2S,4R)-2-HYDROXY-1-ISOBUTYL-5-({(1S)-1-[(ISOPROPYLAMINO)CARBONYL]-2-METHYLPROPYL}AMINO)-4-METHYL-5-OXOPENTYL]-5-[METHYL(METHYLSULFONYL)AMINO]-N'-[(1R)-1-PHENYLETHYL]ISOPHTHALAMIDE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;290 K;CRYSTALLIZATION CONDITIONS: APO ENZYME CRYSTAL WAS OBTAINED AT 15 mg/ml, 13% PEG 8000, PH 6.5 IN SODIUM CACODYLATE BUFFER. THE APO ENZYME CRYSTAL WAS SOAKED IN CONCENTRATED INHIBITOR SOLUTION TO MAKE THE ENZYME/INHIBITOR COMPLEX CRYSTAL FOR X-RAY DATA COLLECTION, VAPOR DIFFUSION, HANGING DROP, temperature 290K Resolution 2.50 Å R-free 0.259
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 58–446 Fragment:Catalytic domain 23I N-[(1S,2S,4R)-2-HYDROXY-1-ISOBUTYL-5-({(1S)-1-[(ISOPROPYLAMINO)CARBONYL]-2-METHYLPROPYL}AMINO)-4-METHYL-5-OXOPENTYL]-5-[METHYL(METHYLSULFONYL)AMINO]-N'-[(1R)-1-PHENYLETHYL]ISOPHTHALAMIDE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;290 K;CRYSTALLIZATION CONDITIONS: APO ENZYME CRYSTAL WAS OBTAINED AT 15 mg/ml, 13% PEG 8000, PH 6.5 IN SODIUM CACODYLATE BUFFER. THE APO ENZYME CRYSTAL WAS SOAKED IN CONCENTRATED INHIBITOR SOLUTION TO MAKE THE ENZYME/INHIBITOR COMPLEX CRYSTAL FOR X-RAY DATA COLLECTION, VAPOR DIFFUSION, HANGING DROP, temperature 290K Resolution 2.50 Å R-free 0.259
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 58–446 Fragment:Catalytic domain 23I N-[(1S,2S,4R)-2-HYDROXY-1-ISOBUTYL-5-({(1S)-1-[(ISOPROPYLAMINO)CARBONYL]-2-METHYLPROPYL}AMINO)-4-METHYL-5-OXOPENTYL]-5-[METHYL(METHYLSULFONYL)AMINO]-N'-[(1R)-1-PHENYLETHYL]ISOPHTHALAMIDE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;290 K;CRYSTALLIZATION CONDITIONS: APO ENZYME CRYSTAL WAS OBTAINED AT 15 mg/ml, 13% PEG 8000, PH 6.5 IN SODIUM CACODYLATE BUFFER. THE APO ENZYME CRYSTAL WAS SOAKED IN CONCENTRATED INHIBITOR SOLUTION TO MAKE THE ENZYME/INHIBITOR COMPLEX CRYSTAL FOR X-RAY DATA COLLECTION, VAPOR DIFFUSION, HANGING DROP, temperature 290K Resolution 2.50 Å R-free 0.259
4 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain D; UniProt 58–446 Fragment:Catalytic domain 23I N-[(1S,2S,4R)-2-HYDROXY-1-ISOBUTYL-5-({(1S)-1-[(ISOPROPYLAMINO)CARBONYL]-2-METHYLPROPYL}AMINO)-4-METHYL-5-OXOPENTYL]-5-[METHYL(METHYLSULFONYL)AMINO]-N'-[(1R)-1-PHENYLETHYL]ISOPHTHALAMIDE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;290 K;CRYSTALLIZATION CONDITIONS: APO ENZYME CRYSTAL WAS OBTAINED AT 15 mg/ml, 13% PEG 8000, PH 6.5 IN SODIUM CACODYLATE BUFFER. THE APO ENZYME CRYSTAL WAS SOAKED IN CONCENTRATED INHIBITOR SOLUTION TO MAKE THE ENZYME/INHIBITOR COMPLEX CRYSTAL FOR X-RAY DATA COLLECTION, VAPOR DIFFUSION, HANGING DROP, temperature 290K Resolution 2.50 Å R-free 0.259

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 733 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 1–389; UniProt 58–446 Author chain B; PDBConstruct 1–389; UniProt 58–446 Author chain C; PDBConstruct 1–389; UniProt 58–446 Author chain D; PDBConstruct 1–389; UniProt 58–446

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 2p4j

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2p4j
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2p4j
Deposition date deposition_date2007-03-12
Structure title titleCrystal structure of beta-secretase bond to an inhibitor with Isophthalamide Derivatives at P2-P3
Keywords keywords;beta-secretase, memapsin, BACE, asp, aspartic protease, acid protease, Alzheimer's disease, drug design, structure based drug design, HYDROLASE ;; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier43.91
Radius of gyration Rg (electron density) rg_electron43.47
Forward intensity I(0) i0438738000.00
Molecular weight molecular_weight175860.0 kDa
Excluded volume excluded_volume220980 ų
Envelope volume envelope_volume290930 ų
Hydration-shell volume shell_volume55800 ų
Envelope diameter envelope_diameter159.9
Shell Rg shell_rg48.81
Envelope Rg envelope_rg42.44
Shape Rg shape_rg43.47
Total Rg total_rg43.70
Total atoms total_atoms12408
Residues n_residues1556
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 dmax147.2
Rg (real space) rg_real43.91
Rg uncertainty (real space) rg_real_error1.34
I(0) (real space) i0_real4.3870e+08
I(0) uncertainty (real space) i0_real_error7.9330e+06
Rg (reciprocal space) rg_reciprocal43.91
I(0) (reciprocal space) i0_reciprocal438700000.0000
Solution quality estimate total_estimate0.8626
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary61.3
Skewness Skewness skewness0.247
Kurtosis Kurtosis kurtosis-0.409
Angular range angular_range— – 0.1800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha131500000.0000
Real-space data points n_real_points37
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.813; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.968; Smooth: 0.803

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd2p4ja_
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_idd2p4jb_
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_idd2p4jc_
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_idd2p4jd_
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 (8 domains)

Domain ID domain_id2p4jA01
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_id2p4jA02
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_id2p4jB01
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_id2p4jB02
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_id2p4jC01
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_id2p4jC02
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_id2p4jD01
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_id2p4jD02
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)