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1y76

Solution Structure of Patj/Pals1 L27 Domain Complex

Method: SOLUTION NMR
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1. Protein Identity and Related Structures Protein Identity & Related Structures

protein associated to tight junctions

Rattus norvegicus

UniProt O55164

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 4 MAGUK p55 subfamily member 5 × 2 （Q8N3R9） Consistent with protein count

Other States of the Same Protein in the Database

Monomer
5dth 5dth 5dth 5dth

4 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1y76

1 assemblies

View Construct and Data Evidence
UniProt name MPDZ_RAT
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–62； UniProt 4–65 Author chain C； PDBConstruct 1–62； UniProt 4–65

MAGUK p55 subfamily member 5

Homo sapiens

UniProt Q8N3R9

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 4 protein associated to tight junctions × 2 （O55164） Consistent with protein count

Other States of the Same Protein in the Database

Monomer
4uu6

1 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1y76 3uit 3uit 3uit 3uit 4uu5 4wsi 4wsi 7m4r 7ntj 7ntj 7ntk

16 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name MPP5_HUMAN
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B； PDBConstruct 1–60； UniProt 118–177 Author chain D； PDBConstruct 1–60； UniProt 118–177

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_id1y76
Deposition date deposition_date2004-12-08
Structure title titleSolution Structure of Patj/Pals1 L27 Domain Complex
Keywords keywordsL27 domain, scaffold protein, protein assembly, cell polarity, TRANSPORT PROTEIN; TRANSPORT PROTEIN
Experimental Method methodSOLUTION NMR
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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.

1y76__assembly_1__model_9

Assembly 1 · Model 9 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1y76__assembly_1__model_9 | I(q)

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

1y76__assembly_1__model_9 | 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）22.12 Å
Rg (electron density)20.93 Å
Total Rg21.73 Å
Atom count3984
Residues244
Excluded volume35110 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1y76__assembly_1__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 1y76__assembly_1__model_2 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 1y76__assembly_1__model_3 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 1y76__assembly_1__model_4 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 1y76__assembly_1__model_5 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 1y76__assembly_1__model_6 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 1y76__assembly_1__model_7 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 1y76__assembly_1__model_8 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 1y76__assembly_1__model_9 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 1y76__assembly_1__model_10 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 1y76__assembly_1__model_11 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 1y76__assembly_1__model_12 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 1y76__assembly_1__model_13 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 1y76__assembly_1__model_14 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 1y76__assembly_1__model_15 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 16 1y76__assembly_1__model_16 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 17 1y76__assembly_1__model_17 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 18 1y76__assembly_1__model_18 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 19 1y76__assembly_1__model_19 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 20 1y76__assembly_1__model_20 tetrameric （4） 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 (2)

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6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd1y76a1
Class classa — All alpha proteins
Fold Fold folda.194 — L27 domain
Superfamily Superfamily superfamilya.194.1 — L27 domain
Family Family familya.194.1.1 — L27 domain
Domain ID domain_idd1y76b1
Class classa — All alpha proteins
Fold Fold folda.194 — L27 domain
Superfamily Superfamily superfamilya.194.1 — L27 domain
Family Family familya.194.1.1 — L27 domain
Domain ID domain_idd1y76c_
Class classa — All alpha proteins
Fold Fold folda.194 — L27 domain
Superfamily Superfamily superfamilya.194.1 — L27 domain
Family Family familya.194.1.1 — L27 domain
Domain ID domain_idd1y76d_
Class classa — All alpha proteins
Fold Fold folda.194 — L27 domain
Superfamily Superfamily superfamilya.194.1 — L27 domain
Family Family familya.194.1.1 — L27 domain

CATH v4.4 (4 domains)

Domain ID domain_id1y76A00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily650 — L27 domain
Domain ID domain_id1y76B00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily650 — L27 domain
Domain ID domain_id1y76C00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily650 — L27 domain
Domain ID domain_id1y76D00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily650 — L27 domain
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7. Citations (1)