3l81

Crystal structure of adaptor protein complex 4 (AP-4) mu4 subunit C-terminal domain, in complex with a sorting peptide from the amyloid precursor protein (APP)

Method: X-RAY DIFFRACTION Dmax: 80.2 Å Quality: GOOD

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

AP-4 complex subunit mu-1

Homo sapiens

UniProt O00189

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 160–453 Fragment:C-terminus, residues 160-453 Mutation:C235S,C431S Amyloid beta A4 protein × 1 (P05067) GOL GLYCEROL × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;295 K;10% PEG 3350, 10mM magnesium chloride, 0.1M HEPES, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;295 K;15% PEG 6000, 3% trimethylamine N-oxide dihydrate, 0.1M HEPES, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 1.60 Å R-free 0.252

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.

5 other PDB entries and 5 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name AP4M1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 8–301; UniProt 160–453

Amyloid beta A4 protein

OrganismNot specified

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 761–767 Fragment:C-terminus, residues 761-767 AP-4 complex subunit mu-1 × 1 (O00189) GOL GLYCEROL × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;295 K;10% PEG 3350, 10mM magnesium chloride, 0.1M HEPES, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;295 K;15% PEG 6000, 3% trimethylamine N-oxide dihydrate, 0.1M HEPES, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 1.60 Å R-free 0.252

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 2
Chains and sequence ranges Author chain B; PDBConstruct 1–7; UniProt 761–767

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 3l81

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3l81
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3l81
Deposition date deposition_date2009-12-29
Structure title titleCrystal structure of adaptor protein complex 4 (AP-4) mu4 subunit C-terminal domain, in complex with a sorting peptide from the amyloid precursor protein (APP)
Keywords keywords;immunoglobulin-like beta-sandwich, Coated pit, Golgi apparatus, Membrane, Phosphoprotein, Protein transport, Transport, Alzheimer disease, Amyloid, Amyloidosis, TRANSPORT PROTEIN ;; TRANSPORT PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier23.27
Radius of gyration Rg (electron density) rg_electron22.52
Forward intensity I(0) i014517800.00
Molecular weight molecular_weight29136.0 kDa
Excluded volume excluded_volume36726 ų
Envelope volume envelope_volume46143 ų
Hydration-shell volume shell_volume18353 ų
Envelope diameter envelope_diameter81.6
Shell Rg shell_rg27.77
Envelope Rg envelope_rg22.93
Shape Rg shape_rg22.52
Total Rg total_rg23.23
Total atoms total_atoms2056
Residues n_residues257
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 dmax80.2
Rg (real space) rg_real23.45
Rg uncertainty (real space) rg_real_error0.59
I(0) (real space) i0_real1.4520e+07
I(0) uncertainty (real space) i0_real_error1.8140e+05
Rg (reciprocal space) rg_reciprocal23.41
I(0) (reciprocal space) i0_reciprocal14520000.0000
Solution quality estimate total_estimate0.8386
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary22.2
Skewness Skewness skewness0.528
Kurtosis Kurtosis kurtosis-0.272
Angular range angular_range— – 0.3400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4435000.0000
Real-space data points n_real_points66
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.713; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.796; Smooth: 0.963

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd3l81a_
Class classb — All beta proteins
Fold Fold foldb.2 — Common fold of diphtheria toxin/transcription factors/cytochrome f
Superfamily Superfamily superfamilyb.2.7 — Second domain of Mu2 adaptin subunit (ap50) of ap2 adaptor
Family Family familyb.2.7.0 — automated matches

CATH v4.4 (2 domains)

Domain ID domain_id3l81A01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily1170 — Mu homology domain, subdomain B
Domain ID domain_id3l81A02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily1170 — Mu homology domain, subdomain B

8. Citations (1)

9. Files and Curves (10)