9KTZ | pdb_00009ktz

Cryo-EM structure of the TIA-1 prion-like domain amyloid fibril, G355R

• PDB DOI: https://doi.org/10.2210/pdb9KTZ/pdb
• EM Map EMD-62571: EMDB EMDataResource

• Classification: PROTEIN FIBRIL
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2024-12-03 Released: 2025-12-03 
• Deposition Author(s): Inaoka, D., Miyata, T., Makino, F., Ohtani, Y., Ekari, M., Kobayashi, R., Imamura, K., Sakamoto, E., Kodama, S.T., Yoshida, N., Kato, T., Namba, K., Tochio, H., Sekiyama, N.
• Funding Organization(s): Ministry of Education, Culture, Sports, Science and Technology (Japan), Japan Agency for Medical Research and Development (AMED)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.10 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

Literature

TIA-1 PLD amyloid fibril formation is suppressed by the ALS-associated mutation

Inaoka, D., Miyata, T., Makino, F., Ohtani, Y., Ekari, M., Kobayashi, R., Imamura, K., Sakamoto, E., Kodama, S.T., Yoshida, N., Kato, T., Namba, K., Tochio, H., Sekiyama, N.

To be published.

Biological Assembly 1  

Global Symmetry: Helical - H  (Explore in 3D)
Global Stoichiometry: Homo 6-mer - A6 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 62.67 kDa 
• Atom Count: 792 
• Modeled Residue Count: 96 
• Deposited Residue Count: 546 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cytotoxic granule associated RNA binding protein TIA1	A [auth B], B [auth E], C [auth A], D, E [auth C], F	91	Homo sapiens	Mutation(s): 1  Gene Names: TIA1
UniProt & NIH Common Fund Data Resources
Find proteins for P31483 (Homo sapiens) Explore P31483  Go to UniProtKB:  P31483
PHAROS:  P31483 GTEx:  ENSG00000116001

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.10 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.19.2-4158-000
RECONSTRUCTION	RELION	3.1

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-12-03 
Deposition Author(s): Inaoka, D., Miyata, T., Makino, F., Ohtani, Y., Ekari, M., Kobayashi, R., Imamura, K., Sakamoto, E., Kodama, S.T., Yoshida, N., Kato, T., Namba, K., Tochio, H., Sekiyama, N.

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Funding Organization	Location	Grant Number
Ministry of Education, Culture, Sports, Science and Technology (Japan)	Japan	JP22H05090
Japan Agency for Medical Research and Development (AMED)	Japan	JP22ama121003

Revision History  

• Version 1.0: 2025-12-03
  Type: Initial release