29HQ | pdb_000029hq

IAPP S20G growth-phase fibril polymorph 3PF-LJ

PDB DOI: https://doi.org/10.2210/pdb29HQ/pdb
EM Map EMD-57189: EMDB EMDataResource

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

Deposited: 2026-03-12 Released: 2026-08-26
Deposition Author(s): Lovestam, S., Scheres, S.H.W.
Funding Organization(s): Medical Research Council (MRC, United Kingdom)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.50 Å
Aggregation State: FILAMENT
Reconstruction Method: HELICAL

wwPDB Validation 3D Report Full Report

Validation slider image for 29HQ

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

Literature

Cryo-EM image processing of amyloid filaments in RELION-5.1

Lovestam, S., Shi, J., Li, D.B., Scheres, S.H.W.

To be published.

Macromolecule Content

Total Structure Weight: 46.25 kDa
Atom Count: 3,095
Modeled Residue Count: 430
Deposited Residue Count: 450
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 [auth E] E [auth F] A, B, C, D [auth E], E [auth F], F [auth G], G [auth I], H [auth J], I [auth K], J [auth M], K [auth N], L [auth O], M [auth Q], N [auth R], O [auth S]	30	Homo sapiens	Mutation(s): 2
UniProt & NIH Common Fund Data Resources
Find proteins for P10997 (Homo sapiens) Explore P10997 Go to UniProtKB: 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: 3.50 Å
Aggregation State: FILAMENT
Reconstruction Method: HELICAL

EM Software:

Task	Software Package	Version
RECONSTRUCTION	RELION	5.1

Structure Validation

View Full Validation Report

View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-08-26

Deposition Author(s):

Scheres, S.H.W.

Funding Organization	Location	Grant Number
Medical Research Council (MRC, United Kingdom)	United Kingdom	--

Revision History (Full details and data files)

Version 1.0: 2026-08-26
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.