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1g3j

CRYSTAL STRUCTURE OF THE XTCF3-CBD/BETA-CATENIN ARMADILLO REPEAT COMPLEX

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

BETA-CATENIN ARMADILLO REPEAT REGION

Homo sapiens

UniProt P35222

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 TCF3-CBD (CATENIN BINDING DOMAIN) × 1 （P70062） water × 2 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 2 TCF3-CBD (CATENIN BINDING DOMAIN) × 1 （P70062） water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
2g57 2z6h 3sla 3sla 3sla 3sla 3sla 7afw 8ru4 8y0g 8y0p 8y14

16 assemblies; showing the first 12

Homodimer
9i8k

1 assemblies

Homotetramer
2z6h

1 assemblies

Other homooligomers

None

Heteromeric or nucleic-acid complex
1g3j 1g3j 1jdh 1jpw 1jpw 1jpw 1luj 1p22 1qz7 1t08 1th1 1th1

47 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name CTNB1_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–532； UniProt 133–664 Author chain C； PDBConstruct 1–532； UniProt 133–664

TCF3-CBD (CATENIN BINDING DOMAIN)

Xenopus laevis

UniProt P70062

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 BETA-CATENIN ARMADILLO REPEAT REGION × 1 （P35222） water × 2 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 2 BETA-CATENIN ARMADILLO REPEAT REGION × 1 （P35222） 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
1g3j 1g3j

2 assemblies

View Construct and Data Evidence
UniProt name P70062_XENLA
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B； PDBConstruct 1–61； UniProt 1–61 Author chain D； PDBConstruct 1–61； UniProt 1–61

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_id1g3j
Deposition date deposition_date2000-10-24
Structure title titleCRYSTAL STRUCTURE OF THE XTCF3-CBD/BETA-CATENIN ARMADILLO REPEAT COMPLEX
Keywords keywordsBeta-catenin, Tcf-3, Protein-Protein Complex, TRANSCRIPTION; TRANSCRIPTION
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.

1g3j__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1g3j__assembly_2__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1g3j__assembly_2__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）27.54 Å
Rg (electron density)27.59 Å
Total Rg27.91 Å
Atom count3381
Residues473
Excluded volume60399 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1g3j__assembly_1__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 1g3j__assembly_2__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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6. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd1g3ja_
Class classa — All alpha proteins
Fold Fold folda.118 — alpha-alpha superhelix
Superfamily Superfamily superfamilya.118.1 — ARM repeat
Family Family familya.118.1.1 — Armadillo repeat
Domain ID domain_idd1g3jb_
Class classj — Peptides
Fold Fold foldj.71 — beta-Catenine bound non-globular protein regions
Superfamily Superfamily superfamilyj.71.1 — beta-Catenine bound non-globular protein regions
Family Family familyj.71.1.1 — beta-Catenine bound non-globular protein regions
Domain ID domain_idd1g3jc_
Class classa — All alpha proteins
Fold Fold folda.118 — alpha-alpha superhelix
Superfamily Superfamily superfamilya.118.1 — ARM repeat
Family Family familya.118.1.1 — Armadillo repeat
Domain ID domain_idd1g3jd_
Class classj — Peptides
Fold Fold foldj.71 — beta-Catenine bound non-globular protein regions
Superfamily Superfamily superfamilyj.71.1 — beta-Catenine bound non-globular protein regions
Family Family familyj.71.1.1 — beta-Catenine bound non-globular protein regions

CATH v4.4 (3 domains)

Domain ID domain_id1g3jA00
Class class1 — Mainly Alpha
Architecture architecture25 — Alpha Horseshoe
Topology topology10 — Leucine-rich Repeat Variant
Homologous superfamily homologous superfamily10 — Leucine-rich Repeat Variant
Domain ID domain_id1g3jB00
Class class4 — Few Secondary Structures
Architecture architecture10 — Irregular
Topology topology900 — TCF3-CBD (Catenin binding domain)
Homologous superfamily homologous superfamily10 — TCF3-CBD (Catenin binding domain)
Domain ID domain_id1g3jC00
Class class1 — Mainly Alpha
Architecture architecture25 — Alpha Horseshoe
Topology topology10 — Leucine-rich Repeat Variant
Homologous superfamily homologous superfamily10 — Leucine-rich Repeat Variant
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7. Citations (1)