26PC | pdb_000026pc

Oat protein amyloid fibrils

PDB DOI: https://doi.org/10.2210/pdb26PC/pdb
EM Map EMD-80803: EMDB EMDataResource

Classification: PROTEIN FIBRIL
Organism(s): Avena sativa
Expression System: Avena sativa
Mutation(s): No

Deposited: 2026-05-09 Released: 2026-09-16
Deposition Author(s): Li, S., Cao, Q., Cao, Y.
Funding Organization(s): Not funded

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 2.95 Å
Aggregation State: PARTICLE
Reconstruction Method: HELICAL

wwPDB Validation 3D Report Full Report

Validation slider image for 26PC

This is version 1.1 of the entry. See complete history.

Literature

Cryo-EM structure of oat amyloid fibrils reveals ordered histidine arrays on the surface

Li, S., Li, S., Cao, Q., Fang, Y., Cao, Y.

(2027) Food Hydrocoll 184: 113342

DOI: https://doi.org/10.1016/j.foodhyd.2026.113342

Macromolecule Content

Total Structure Weight: 25.71 kDa
Atom Count: 1,805
Modeled Residue Count: 225
Deposited Residue Count: 225
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
11S globulin	A, B, C, D, E	45	Avena sativa	Mutation(s): 0 Gene Names: GLAV1
UniProt
Find proteins for Q38779 (Avena sativa) Explore Q38779 Go to UniProtKB: Q38779
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q38779
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 2.95 Å
Aggregation State: PARTICLE
Reconstruction Method: HELICAL

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX
RECONSTRUCTION	RELION	4.0

Structure Validation

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View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-09-16

Deposition Author(s):

Funding Organization	Location	Grant Number
Not funded		--

Revision History (Full details and data files)

Version 1.0: 2026-09-16
Type: Initial release
Version 1.1: 2026-09-23
Changes: Data collection, Database references

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.