8RM9 | pdb_00008rm9

Cryo-EM structure of human islet amyloid polypeptide (hIAPP) mutant S28P, polymorph 2

PDB DOI: https://doi.org/10.2210/pdb8RM9/pdb
EM Map EMD-19354: EMDB EMDataResource

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

Deposited: 2024-01-05 Released: 2025-07-30
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: 4.06 Å
Aggregation State: FILAMENT
Reconstruction Method: HELICAL

wwPDB Validation 3D Report Full Report

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

Literature

Cryo-EM structure of human islet amyloid polypeptide (hIAPP) mutant S28P, polymorph 1-beta

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

To be published.

Macromolecule Content

Total Structure Weight: 58.76 kDa
Atom Count: 3,160
Modeled Residue Count: 440
Deposited Residue Count: 570
Unique protein chains: 1

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Islet amyloid polypeptide	A [auth c] B [auth d] C [auth e] D [auth f] E [auth g] A [auth c], B [auth d], C [auth e], D [auth f], E [auth g], F [auth n], G [auth o], H [auth p], I [auth q], J [auth r], K [auth s], L [auth t], M [auth u], N [auth v], O [auth w]	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% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P10997
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 4.06 Å
Aggregation State: FILAMENT
Reconstruction Method: HELICAL

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.21
RECONSTRUCTION	RELION	4.0.0

Structure Validation

View Full Validation Report

Entry History & Funding Information

Deposition Data

Released Date: 2025-07-30

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: 2025-07-30
Type: Initial release

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.