2fk3

Structure of the Alzheimer's Amyloid Precursor Protein (APP) Copper Binding Domain in 'large unit cell' form

Method: X-RAY DIFFRACTION Dmax: 82.3 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

Amyloid beta A4 protein precursor

Homo sapiens

UniProt P05067

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 133–189 Fragment:Residues 133 to 189 CU COPPER (II) ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.4;295 K;0.1 M MES pH 5.4 - 5.6, 0.4 M NaCOOH, 10 - 15 % (w/v) PEG 4000, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.40 Å R-free 0.248
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 133–189 Fragment:Residues 133 to 189 CU COPPER (II) ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.4;295 K;0.1 M MES pH 5.4 - 5.6, 0.4 M NaCOOH, 10 - 15 % (w/v) PEG 4000, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.40 Å R-free 0.248
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 133–189 Fragment:Residues 133 to 189 CU COPPER (II) ION × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.4;295 K;0.1 M MES pH 5.4 - 5.6, 0.4 M NaCOOH, 10 - 15 % (w/v) PEG 4000, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.40 Å R-free 0.248
4 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain D; UniProt 133–189 Fragment:Residues 133 to 189 CU COPPER (II) ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.4;295 K;0.1 M MES pH 5.4 - 5.6, 0.4 M NaCOOH, 10 - 15 % (w/v) PEG 4000, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.40 Å R-free 0.248
5 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain E; UniProt 133–189 Fragment:Residues 133 to 189 CU COPPER (II) ION × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.4;295 K;0.1 M MES pH 5.4 - 5.6, 0.4 M NaCOOH, 10 - 15 % (w/v) PEG 4000, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.40 Å R-free 0.248
6 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain F; UniProt 133–189 Fragment:Residues 133 to 189 CU COPPER (II) ION × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.4;295 K;0.1 M MES pH 5.4 - 5.6, 0.4 M NaCOOH, 10 - 15 % (w/v) PEG 4000, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.40 Å R-free 0.248
7 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain G; UniProt 133–189 Fragment:Residues 133 to 189 No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.4;295 K;0.1 M MES pH 5.4 - 5.6, 0.4 M NaCOOH, 10 - 15 % (w/v) PEG 4000, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.40 Å R-free 0.248
8 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain H; UniProt 133–189 Fragment:Residues 133 to 189 CU COPPER (II) ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.4;295 K;0.1 M MES pH 5.4 - 5.6, 0.4 M NaCOOH, 10 - 15 % (w/v) PEG 4000, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.40 Å R-free 0.248

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.

211 other PDB entries and 275 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A4_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–59; UniProt 133–189 Author chain B; PDBConstruct 3–59; UniProt 133–189 Author chain C; PDBConstruct 3–59; UniProt 133–189 Author chain D; PDBConstruct 3–59; UniProt 133–189 Author chain E; PDBConstruct 3–59; UniProt 133–189 Author chain F; PDBConstruct 3–59; UniProt 133–189 Author chain G; PDBConstruct 3–59; UniProt 133–189 Author chain H; PDBConstruct 3–59; UniProt 133–189

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 2fk3

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2fk3
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2fk3
Deposition date deposition_date2006-01-04
Structure title titleStructure of the Alzheimer's Amyloid Precursor Protein (APP) Copper Binding Domain in 'large unit cell' form
Keywords keywordsAlpha-Beta Two-layered Sandwich, Non-Crystallographic Symmetry, METAL BINDING PROTEIN; METAL BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier25.91
Radius of gyration Rg (electron density) rg_electron25.21
Forward intensity I(0) i059534800.00
Molecular weight molecular_weight55630.0 kDa
Excluded volume excluded_volume67551 ų
Envelope volume envelope_volume84021 ų
Hydration-shell volume shell_volume28501 ų
Envelope diameter envelope_diameter81.4
Shell Rg shell_rg32.18
Envelope Rg envelope_rg25.31
Shape Rg shape_rg25.17
Total Rg total_rg26.05
Total atoms total_atoms3801
Residues n_residues470
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 dmax82.3
Rg (real space) rg_real25.96
Rg uncertainty (real space) rg_real_error0.50
I(0) (real space) i0_real5.9530e+07
I(0) uncertainty (real space) i0_real_error8.0220e+05
Rg (reciprocal space) rg_reciprocal25.95
I(0) (reciprocal space) i0_reciprocal59530000.0000
Solution quality estimate total_estimate0.8918
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary28.4
Skewness Skewness skewness0.413
Kurtosis Kurtosis kurtosis-0.382
Angular range angular_range— – 0.3050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha7331000.0000
Real-space data points n_real_points62
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.885; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.988; Smooth: 0.945

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 24 domains

SCOP 2.08 (16 domains)

Domain ID domain_idd2fk3a1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.230 — Dodecin subunit-like
Superfamily Superfamily superfamilyd.230.3 — Amyloid beta a4 protein copper binding domain (domain 2)
Family Family familyd.230.3.1 — Amyloid beta a4 protein copper binding domain (domain 2)
Domain ID domain_idd2fk3a2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd2fk3b1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.230 — Dodecin subunit-like
Superfamily Superfamily superfamilyd.230.3 — Amyloid beta a4 protein copper binding domain (domain 2)
Family Family familyd.230.3.1 — Amyloid beta a4 protein copper binding domain (domain 2)
Domain ID domain_idd2fk3b2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd2fk3c1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.230 — Dodecin subunit-like
Superfamily Superfamily superfamilyd.230.3 — Amyloid beta a4 protein copper binding domain (domain 2)
Family Family familyd.230.3.1 — Amyloid beta a4 protein copper binding domain (domain 2)
Domain ID domain_idd2fk3c2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd2fk3d1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.230 — Dodecin subunit-like
Superfamily Superfamily superfamilyd.230.3 — Amyloid beta a4 protein copper binding domain (domain 2)
Family Family familyd.230.3.1 — Amyloid beta a4 protein copper binding domain (domain 2)
Domain ID domain_idd2fk3d2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd2fk3e1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.230 — Dodecin subunit-like
Superfamily Superfamily superfamilyd.230.3 — Amyloid beta a4 protein copper binding domain (domain 2)
Family Family familyd.230.3.1 — Amyloid beta a4 protein copper binding domain (domain 2)
Domain ID domain_idd2fk3e2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd2fk3f1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.230 — Dodecin subunit-like
Superfamily Superfamily superfamilyd.230.3 — Amyloid beta a4 protein copper binding domain (domain 2)
Family Family familyd.230.3.1 — Amyloid beta a4 protein copper binding domain (domain 2)
Domain ID domain_idd2fk3f2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd2fk3g1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.230 — Dodecin subunit-like
Superfamily Superfamily superfamilyd.230.3 — Amyloid beta a4 protein copper binding domain (domain 2)
Family Family familyd.230.3.1 — Amyloid beta a4 protein copper binding domain (domain 2)
Domain ID domain_idd2fk3g2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd2fk3h1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.230 — Dodecin subunit-like
Superfamily Superfamily superfamilyd.230.3 — Amyloid beta a4 protein copper binding domain (domain 2)
Family Family familyd.230.3.1 — Amyloid beta a4 protein copper binding domain (domain 2)
Domain ID domain_idd2fk3h2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (8 domains)

Domain ID domain_id2fk3A00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1490 — Dna Ligase; domain 1
Homologous superfamily homologous superfamily140 — Amyloidogenic glycoprotein, copper-binding domain
Domain ID domain_id2fk3B00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1490 — Dna Ligase; domain 1
Homologous superfamily homologous superfamily140 — Amyloidogenic glycoprotein, copper-binding domain
Domain ID domain_id2fk3C00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1490 — Dna Ligase; domain 1
Homologous superfamily homologous superfamily140 — Amyloidogenic glycoprotein, copper-binding domain
Domain ID domain_id2fk3D00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1490 — Dna Ligase; domain 1
Homologous superfamily homologous superfamily140 — Amyloidogenic glycoprotein, copper-binding domain
Domain ID domain_id2fk3E00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1490 — Dna Ligase; domain 1
Homologous superfamily homologous superfamily140 — Amyloidogenic glycoprotein, copper-binding domain
Domain ID domain_id2fk3F00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1490 — Dna Ligase; domain 1
Homologous superfamily homologous superfamily140 — Amyloidogenic glycoprotein, copper-binding domain
Domain ID domain_id2fk3G00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1490 — Dna Ligase; domain 1
Homologous superfamily homologous superfamily140 — Amyloidogenic glycoprotein, copper-binding domain
Domain ID domain_id2fk3H00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1490 — Dna Ligase; domain 1
Homologous superfamily homologous superfamily140 — Amyloidogenic glycoprotein, copper-binding domain

8. Citations (1)

9. Files and Curves (10)