8R1S | pdb_00008r1s

Cryo-EM structure of human islet amyloid polypeptide (hIAPP) mutant A25P, polymorph 2

PDB DOI: https://doi.org/10.2210/pdb8R1S/pdb
EM Map EMD-18827: EMDB EMDataResource

Classification: PROTEIN FIBRIL
Organism(s): Homo sapiens
Mutation(s): Yes

Deposited: 2023-11-02 Released: 2025-05-21
Deposition Author(s): Ooi, S.A., Valli, D., Maj, M.
Funding Organization(s): Swedish Research Council, Other private

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 4.11 Å
Aggregation State: FILAMENT
Reconstruction Method: HELICAL

wwPDB Validation 3D Report Full Report

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This is version 1.0 of the entry. See complete history.

Literature

Cryo-EM structure of human islet amyloid polypeptide (hIAPP) mutant A25P, polymorph 2

Ooi, S.A., Valli, D., Maj, M.

To be published.

Macromolecule Content

Total Structure Weight: 39.33 kDa
Atom Count: 1,385
Modeled Residue Count: 190
Deposited Residue Count: 380
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Islet amyloid polypeptide	A, B, C, D, E A, B, C, D, E, F, G, H, I, J	38	Homo sapiens	Mutation(s): 2
UniProt & NIH Common Fund Data Resources
Find proteins for P10997 (Homo sapiens) Explore P10997 Go to UniProtKB: P10997
PHAROS: P10997 GTEx: ENSG00000121351
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P10997
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 4.11 Å
Aggregation State: FILAMENT
Reconstruction Method: HELICAL

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX
RECONSTRUCTION	RELION	4.0.0

Structure Validation

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Entry History

& Funding Information

Deposition Data

Released Date: 2025-05-21

Deposition Author(s):

Funding Organization	Location	Grant Number
Swedish Research Council	Sweden	VR 2020-05403
Other private		Swedish Society for Medical Research (S20-0156)

Revision History (Full details and data files)

Version 1.0: 2025-05-21
Type: Initial release

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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.