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2m5k

Atomic-resolution structure of a doublet cross-beta amyloid fibril

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

Transthyretin

OrganismNot specified

UniProt P02767

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 912 No other associated polymer Review required
2 Protein homooligomer Homooligomer Protein 8 No other associated polymer Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1rvs

1 assemblies

Homodimer

None

Homotetramer
1gke 1ie4 1kgi 1kgj

4 assemblies

Other homooligomers
2m5k 2m5k 2m5m 2m5m 3zpk 3zpk

6 assemblies

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name TTHY_RAT
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–11； UniProt 125–135 Author chain B； PDBConstruct 1–11； UniProt 125–135 Author chain C； PDBConstruct 1–11； UniProt 125–135 Author chain D； PDBConstruct 1–11； UniProt 125–135 Author chain E； PDBConstruct 1–11； UniProt 125–135 Author chain F； PDBConstruct 1–11； UniProt 125–135 Author chain G； PDBConstruct 1–11； UniProt 125–135 Author chain H； PDBConstruct 1–11； UniProt 125–135

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_id2m5k
Deposition date deposition_date2013-02-27
Structure title titleAtomic-resolution structure of a doublet cross-beta amyloid fibril
Keywords keywordsamyloid fibril, cross-beta structure, PROTEIN FIBRIL; PROTEIN FIBRIL
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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.

2m5k__assembly_1__model_1

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

Download this curve (.dat)

2m5k__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 109 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

2m5k__assembly_1__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）0.00 Å
Rg (electron density)155.80 Å
Total Rg155.10 Å
Atom count156864
Residues10032
Excluded volume1431700 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2m5k__assembly_1__model_1 helical （114） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 2m5k__assembly_2__model_1 octameric （8） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (1)

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7. Citations (1)