7M61 | pdb_00007m61

Cryo-EM structure of human islet amyloid polypeptide (hIAPP, or amylin) fibrils seeded by patient extracted fibrils, polymorph 1

PDB DOI: https://doi.org/10.2210/pdb7M61/pdb
EM Map EMD-23686: EMDB EMDataResource

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

Deposited: 2021-03-25 Released: 2021-09-22
Deposition Author(s): Cao, Q., Boyer, D.R., Sawaya, M.R., Eisenberg, D.S.
Funding Organization(s): National Institutes of Health/National Institute on Aging (NIH/NIA)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.80 Å
Aggregation State: FILAMENT
Reconstruction Method: HELICAL

wwPDB Validation 3D Report Full Report

Validation slider image for 7M61

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

Literature

Cryo-EM structures of hIAPP fibrils seeded by patient-extracted fibrils reveal new polymorphs and conserved fibril cores

Cao, Q., Boyer, D.R., Sawaya, M.R., Abskharon, R., Saelices, L., Nguyen, B.A., Lu, J., Murray, K.A., Kandeel, F., Eisenberg, D.S.

(2021) Nat Struct Mol Biol 28: 724-730

DOI: https://doi.org/10.1038/s41594-021-00646-x

Macromolecule Content

Total Structure Weight: 39.07 kDa
Atom Count: 1,690
Modeled Residue Count: 240
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): 1
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: 3.80 Å
Aggregation State: FILAMENT
Reconstruction Method: HELICAL

EM Software:

Task	Software Package	Version
RECONSTRUCTION	RELION	2
MODEL REFINEMENT	PHENIX	real_space_refine

Structure Validation

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View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2021-09-22

Deposition Author(s):

Eisenberg, D.S.

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute on Aging (NIH/NIA)	United States	AG0543022

Revision History (Full details and data files)

Version 1.0: 2021-09-22
Type: Initial release
Version 1.1: 2024-11-06
Changes: Data collection, Structure summary

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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.