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 7M65 | pdb_00007m65

Cryo-EM structure of human islet amyloid polypeptide (hIAPP, or amylin) fibrils seeded by patient extracted fibrils, polymorph 4


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 4.10 Å
  • Aggregation State: FILAMENT 
  • Reconstruction Method: HELICAL 

wwPDB Validation 3D Report Full Report

Validation slider image for 7M65

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

Macromolecule Content 

  • Total Structure Weight: 39.07 kDa 
  • Atom Count: 2,025 
  • Modeled Residue Count: 280 
  • Deposited Residue Count: 380 
  • Unique protein chains: 1

Macromolecules

Find similar proteins by:|  3D Structure
Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
Islet amyloid polypeptide
A, B, C, D, E
A, B, C, D, E, F, G, H, I, J
38Homo sapiensMutation(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 Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP10997
Sequence Annotations
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Reference Sequence

Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 4.10 Å
  • Aggregation State: FILAMENT 
  • Reconstruction Method: HELICAL 
EM Software:
TaskSoftware PackageVersion
RECONSTRUCTIONRELION2
MODEL REFINEMENTPHENIXreal_space_refine

Structure Validation

View Full Validation Report



Entry History 

& Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
National Institutes of Health/National Institute on Aging (NIH/NIA)United StatesAG0543022

Revision History  (Full details and data files)

  • Version 1.0: 2021-09-22
    Type: Initial release
  • Version 1.1: 2024-11-20
    Changes: Data collection, Structure summary