3umi

X-ray structure of the E2 domain of the human amyloid precursor protein (APP) in complex with zinc

Method: X-RAY DIFFRACTION Dmax: 95.5 Å Quality: REASONABLE

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

Amyloid beta A4 protein

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 370–575 Fragment:HUMAN AMYLOID PRECURSOR PROTEIN E2 DOMAIN ACT ACETATE ION × 1 ZN ZINC ION × 1 CD CADMIUM ION × 8 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.4;293 K;0.1 mM HEPES, 1 M sodium acetate, 10 mM MgCl2, 50 mM CdSO4, pH 6.4, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.40 Å R-free 0.245

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 282 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 2–207; UniProt 370–575

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 3umi

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id3umi
Deposition date deposition_date2011-11-13
Structure title titleX-ray structure of the E2 domain of the human amyloid precursor protein (APP) in complex with zinc
Keywords keywordsmetal binding site, metal binding, cell surface, secretory pathway, 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_guinier25.25
Radius of gyration Rg (electron density) rg_electron26.08
Forward intensity I(0) i011315300.00
Molecular weight molecular_weight22870.0 kDa
Excluded volume excluded_volume27465 ų
Envelope volume envelope_volume37453 ų
Hydration-shell volume shell_volume14672 ų
Envelope diameter envelope_diameter97.7
Shell Rg shell_rg27.66
Envelope Rg envelope_rg26.87
Shape Rg shape_rg26.17
Total Rg total_rg26.04
Total atoms total_atoms1547
Residues n_residues183
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 dmax95.5
Rg (real space) rg_real25.78
Rg uncertainty (real space) rg_real_error1.11
I(0) (real space) i0_real1.1320e+07
I(0) uncertainty (real space) i0_real_error1.7180e+05
Rg (reciprocal space) rg_reciprocal25.61
I(0) (reciprocal space) i0_reciprocal11310000.0000
Solution quality estimate total_estimate0.7083
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary19.7
Skewness Skewness skewness0.770
Kurtosis Kurtosis kurtosis0.070
Angular range angular_range— – 0.3150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1255000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.397; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.083; Smooth: 0.930

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd3umia_
Class classa — All alpha proteins
Fold Fold folda.47 — STAT-like
Superfamily Superfamily superfamilya.47.4 — CAPPD, an extracellular domain of amyloid beta A4 protein
Family Family familya.47.4.1 — CAPPD, an extracellular domain of amyloid beta A4 protein

CATH v4.4 (1 domains)

Domain ID domain_id3umiA00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology120 — Four Helix Bundle (Hemerythrin (Met), subunit A)
Homologous superfamily homologous superfamily770 — Amyloid precursor protein, E2 domain

8. Citations (1)

9. Files and Curves (10)