21ks

A Wnt3a/Fzd8-CRD/LRP6-E3E4-LA complex with FKBP

Method: ELECTRON MICROSCOPY Dmax: 187.2 Å Quality: GOOD

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

Frizzled-8,Peptidyl-prolyl cis-trans isomerase FKBP1A

Homo sapiens

UniProt P62942

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Heteromer Protein × 9 其他Polymer 4 PDB declaration: nonameric(9) Consistent with protein copy count Chain C; UniProt 2–108 Chain D; UniProt 2–108 Chain G; UniProt 2–108 Chain H; UniProt 2–108 Chain I; UniProt 2–108 Mutation:C178S Protein Wnt-3a × 2 (P27467) Low-density lipoprotein receptor-related protein 6,Serine/threonine-protein kinase mTOR × 2 (O75581,A0A8V8TRG9) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 4 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 RAPAMYCIN IMMUNOSUPPRESSANT DRUG × 1 ELECTRON MICROSCOPY mmCIF provides none of the parsed experimental conditions Resolution 3.01 Å

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.

110 other PDB entries and 171 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FKB1A_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain C; PDBConstruct 157–263; UniProt 2–108 Author chain D; PDBConstruct 157–263; UniProt 2–108 Author chain G; PDBConstruct 157–263; UniProt 2–108 Author chain H; PDBConstruct 157–263; UniProt 2–108 Author chain I; PDBConstruct 157–263; UniProt 2–108

Frizzled-8,Peptidyl-prolyl cis-trans isomerase FKBP1A

Homo sapiens

UniProt Q9H461

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Heteromer Protein × 9 其他Polymer 4 PDB declaration: nonameric(9) Consistent with protein copy count Chain C; UniProt 31–155 Chain D; UniProt 31–155 Chain G; UniProt 31–155 Chain H; UniProt 31–155 Chain I; UniProt 31–155 Mutation:C178S Protein Wnt-3a × 2 (P27467) Low-density lipoprotein receptor-related protein 6,Serine/threonine-protein kinase mTOR × 2 (O75581,A0A8V8TRG9) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 4 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 RAPAMYCIN IMMUNOSUPPRESSANT DRUG × 1 ELECTRON MICROSCOPY mmCIF provides none of the parsed experimental conditions Resolution 3.01 Å

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.

6 other PDB entries and 11 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FZD8_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain C; PDBConstruct 12–136; UniProt 31–155 Author chain D; PDBConstruct 12–136; UniProt 31–155 Author chain G; PDBConstruct 12–136; UniProt 31–155 Author chain H; PDBConstruct 12–136; UniProt 31–155 Author chain I; PDBConstruct 12–136; UniProt 31–155

Protein Wnt-3a

Mus musculus

UniProt P27467

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Heteromer Protein × 9 其他Polymer 4 PDB declaration: nonameric(9) Consistent with protein copy count Chain A; UniProt 19–352 Chain E; UniProt 19–352 Not recorded Frizzled-8,Peptidyl-prolyl cis-trans isomerase FKBP1A × 5 (Q9H461,P62942) Low-density lipoprotein receptor-related protein 6,Serine/threonine-protein kinase mTOR × 2 (O75581,A0A8V8TRG9) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 4 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 RAPAMYCIN IMMUNOSUPPRESSANT DRUG × 1 ELECTRON MICROSCOPY mmCIF provides none of the parsed experimental conditions Resolution 3.01 Å

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.

2 other PDB entries and 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name WNT3A_MOUSE
Isoform
PDB entities 2
Chains and sequence ranges Author chain A; PDBConstruct 1–334; UniProt 19–352 Author chain E; PDBConstruct 1–334; UniProt 19–352

Low-density lipoprotein receptor-related protein 6,Serine/threonine-protein kinase mTOR

Homo sapiens

UniProt A0A8V8TRG9

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Heteromer Protein × 9 其他Polymer 4 PDB declaration: nonameric(9) Consistent with protein copy count Chain B; UniProt 1944–2043 Chain F; UniProt 1944–2043 Mutation:C840S Frizzled-8,Peptidyl-prolyl cis-trans isomerase FKBP1A × 5 (Q9H461,P62942) Protein Wnt-3a × 2 (P27467) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 4 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 RAPAMYCIN IMMUNOSUPPRESSANT DRUG × 1 ELECTRON MICROSCOPY mmCIF provides none of the parsed experimental conditions Resolution 3.01 Å

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.

12 other PDB entries and 12 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A8V8TRG9_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain B; PDBConstruct 770–869; UniProt 1944–2043 Author chain F; PDBConstruct 770–869; UniProt 1944–2043

Low-density lipoprotein receptor-related protein 6,Serine/threonine-protein kinase mTOR

Homo sapiens

UniProt O75581

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Heteromer Protein × 9 其他Polymer 4 PDB declaration: nonameric(9) Consistent with protein copy count Chain B; UniProt 630–1370 Chain F; UniProt 630–1370 Mutation:C840S Frizzled-8,Peptidyl-prolyl cis-trans isomerase FKBP1A × 5 (Q9H461,P62942) Protein Wnt-3a × 2 (P27467) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 4 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 RAPAMYCIN IMMUNOSUPPRESSANT DRUG × 1 ELECTRON MICROSCOPY mmCIF provides none of the parsed experimental conditions Resolution 3.01 Å

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.

27 other PDB entries and 32 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name LRP6_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain B; PDBConstruct 9–749; UniProt 630–1370 Author chain F; PDBConstruct 9–749; UniProt 630–1370

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 21ks

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 21ks
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id21ks
Deposition date deposition_date2025-12-17
Structure title titleA Wnt3a/Fzd8-CRD/LRP6-E3E4-LA complex with FKBP
Keywords keywordsWnt3a-Fzd8-LRP6 extracellular complex, Cryo-EM structure, FKBP-stabilized Wnt3a homodimer, SIGNALING PROTEIN; SIGNALING PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier55.32
Radius of gyration Rg (electron density) rg_electron55.40
Forward intensity I(0) i01228870000.00
Molecular weight molecular_weight283360.0 kDa
Excluded volume excluded_volume350490 ų
Envelope volume envelope_volume518820 ų
Hydration-shell volume shell_volume80107 ų
Envelope diameter envelope_diameter184.8
Shell Rg shell_rg55.40
Envelope Rg envelope_rg53.85
Shape Rg shape_rg55.38
Total Rg total_rg55.45
Total atoms total_atoms19870
Residues n_residues2480
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 dmax187.2
Rg (real space) rg_real55.33
Rg uncertainty (real space) rg_real_error2.26
I(0) (real space) i0_real1.2290e+09
I(0) uncertainty (real space) i0_real_error2.5170e+07
Rg (reciprocal space) rg_reciprocal55.29
I(0) (reciprocal space) i0_reciprocal1229000000.0000
Solution quality estimate total_estimate0.8906
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary66.9
Skewness Skewness skewness0.231
Kurtosis Kurtosis kurtosis-0.614
Angular range angular_range— – 0.1400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha50710000.0000
Real-space data points n_real_points29
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.912; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.991; Smooth: 0.846

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

8. Citations (1)

9. Files and Curves (10)