8GCK | pdb_00008gck

Crystal structure of the human CHIP-TPR domain in complex with a 6mer acetylated tau peptide

• PDB DOI: https://doi.org/10.2210/pdb8GCK/pdb

• Classification: LIGASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2023-03-02 Released: 2024-03-06 
• Deposition Author(s): Wucherer, K., Bohn, M.F., Basu, K., Nadel, C.M., Gestwicki, J.E., Craik, C.S.
• Funding Organization(s): National Institutes of Health/National Institute on Aging (NIH/NIA)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.37 Å
• R-Value Free: 
  0.210 (Depositor), 0.210 (DCC) 
• R-Value Work: 
  0.192 (Depositor), 0.190 (DCC) 
• R-Value Observed: 
  0.193 (Depositor) 

Starting Model: experimental

Literature

Intersecting PTMS regulate clearance of pathogenic tau by the CHIP ubiquitin ligase

Nadel, C.M., Gestwicki, J.E.

(2022) Alzheimer's Dement 18

• DOI: https://doi.org/10.1002/alz.062036

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 30.74 kDa 
• Atom Count: 2,394 
• Modeled Residue Count: 268 
• Deposited Residue Count: 270 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
E3 ubiquitin-protein ligase CHIP	A [auth B], B [auth A]	128	Homo sapiens	Mutation(s): 0  Gene Names: STUB1, CHIP, PP1131 EC: 2.3.2.27
UniProt & NIH Common Fund Data Resources
Find proteins for Q9UNE7 (Homo sapiens) Explore Q9UNE7  Go to UniProtKB:  Q9UNE7
PHAROS:  Q9UNE7 GTEx:  ENSG00000103266

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
ACE-SER-ILE-ASP-MET-VAL-ASP	C [auth E], D [auth C]	7	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for P10636 (Homo sapiens) Explore P10636  Go to UniProtKB:  P10636
PHAROS:  P10636 GTEx:  ENSG00000186868

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.37 Å
• R-Value Free:  0.210 (Depositor), 0.210 (DCC) 
• R-Value Work:  0.192 (Depositor), 0.190 (DCC) 
• R-Value Observed: 0.193 (Depositor) 

Space Group: P 2 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 45.745	α = 90
b = 65.717	β = 90
c = 77.237	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
xia2	data reduction
xia2	data scaling
BALBES	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-03-06 
Deposition Author(s): Wucherer, K., Bohn, M.F., Basu, K., Nadel, C.M., Gestwicki, J.E., Craik, C.S.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute on Aging (NIH/NIA)	United States	RF1AG068125

Revision History  

• Version 1.0: 2024-03-06
  Type: Initial release
  
• Version 1.1: 2024-10-30
  Changes: Structure summary
• Version 1.2: 2025-10-01
  Changes: Database references