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9w5c

Complex structure of MAGI3 WW1 and IQSEC3 PPxY motif

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Membrane-associated guanylate kinase, WW and PDZ domain-containing protein 3

Rattus norvegicus

UniProt Q9JK71

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 IQ motif and SEC7 domain-containing protein 3 × 1 （Q3TES0） water × 2 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 2 IQ motif and SEC7 domain-containing protein 3 × 1 （Q3TES0） water × 2 Consistent with protein count
3 Protein heterocomplex Heteromer Protein 2 IQ motif and SEC7 domain-containing protein 3 × 1 （Q3TES0） water × 2 Consistent with protein count
4 Protein heterocomplex Heteromer Protein 2 IQ motif and SEC7 domain-containing protein 3 × 1 （Q3TES0） water × 2 Consistent with protein count
5 Protein heterocomplex Heteromer Protein 2 IQ motif and SEC7 domain-containing protein 3 × 1 （Q3TES0） water × 2 Consistent with protein count
6 Protein heterocomplex Heteromer Protein 2 IQ motif and SEC7 domain-containing protein 3 × 1 （Q3TES0） water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
9w5c 9w5c 9w5c 9w5c 9w5c 9w5c

6 assemblies

View Construct and Data Evidence
UniProt name MAGI3_RAT
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–44； UniProt 291–334 Author chain C； PDBConstruct 1–44； UniProt 291–334 Author chain E； PDBConstruct 1–44； UniProt 291–334 Author chain G； PDBConstruct 1–44； UniProt 291–334 Author chain I； PDBConstruct 1–44； UniProt 291–334 Author chain K； PDBConstruct 1–44； UniProt 291–334

IQ motif and SEC7 domain-containing protein 3

OrganismNot specified

UniProt Q3TES0

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 Membrane-associated guanylate kinase, WW and PDZ domain-containing protein 3 × 1 （Q9JK71） water × 2 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 2 Membrane-associated guanylate kinase, WW and PDZ domain-containing protein 3 × 1 （Q9JK71） water × 2 Consistent with protein count
3 Protein heterocomplex Heteromer Protein 2 Membrane-associated guanylate kinase, WW and PDZ domain-containing protein 3 × 1 （Q9JK71） water × 2 Consistent with protein count
4 Protein heterocomplex Heteromer Protein 2 Membrane-associated guanylate kinase, WW and PDZ domain-containing protein 3 × 1 （Q9JK71） water × 2 Consistent with protein count
5 Protein heterocomplex Heteromer Protein 2 Membrane-associated guanylate kinase, WW and PDZ domain-containing protein 3 × 1 （Q9JK71） water × 2 Consistent with protein count
6 Protein heterocomplex Heteromer Protein 2 Membrane-associated guanylate kinase, WW and PDZ domain-containing protein 3 × 1 （Q9JK71） water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
9w5c 9w5c 9w5c 9w5c 9w5c 9w5c

6 assemblies

View Construct and Data Evidence
UniProt name IQEC3_MOUSE
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B； PDBConstruct 1–18； UniProt 1163–1180 Author chain D； PDBConstruct 1–18； UniProt 1163–1180 Author chain F； PDBConstruct 1–18； UniProt 1163–1180 Author chain H； PDBConstruct 1–18； UniProt 1163–1180 Author chain J； PDBConstruct 1–18； UniProt 1163–1180 Author chain L； PDBConstruct 1–18； UniProt 1163–1180

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.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id9w5c
Deposition date deposition_date2025-08-01
Structure title titleComplex structure of MAGI3 WW1 and IQSEC3 PPxY motif
Keywords keywordsMAGI3, IQSEC3, WW-PPxY interaction, complex, extension sequence, PROTEIN BINDING; PROTEIN BINDING
Experimental Method methodX-RAY DIFFRACTION
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

9w5c__assembly_3__model_1

Assembly 3 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

9w5c__assembly_3__model_1 | I(q)

10-2 10-1 104 105 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

9w5c__assembly_3__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg（Guinier）11.73 Å
Rg (electron density)10.62 Å
Total Rg12.25 Å
Atom count416
Residues50
Excluded volume7366 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 9w5c__assembly_1__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 9w5c__assembly_2__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
3 1 9w5c__assembly_3__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
4 1 9w5c__assembly_4__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
5 1 9w5c__assembly_5__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
6 1 9w5c__assembly_6__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (3)

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7. Citations (1)