8UC6

Calpain-7:IST1 Complex

• PDB DOI: https://doi.org/10.2210/pdb8UC6/pdb

• Classification: PEPTIDE BINDING PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2023-09-25 Released: 2023-10-25 
• Deposition Author(s): Paine, E., Whitby, F.G., Hill, C.P., Sunquist, W.I.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 0.285 
• R-Value Work: 0.211 
• R-Value Observed: 0.218 

Literature

Calpain-7:IST1 Complex

Paine, E., Whitby, F.G., Hill, C.P., Sunquist, W.I.

To be published.

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 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: 47.01 kDa 
• Atom Count: 2,821 
• Modelled Residue Count: 345 
• Deposited Residue Count: 420 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Calpain-7	A [auth C], C [auth B]	165	Homo sapiens	Mutation(s): 0  Gene Names: CAPN7
UniProt & NIH Common Fund Data Resources
Find proteins for Q9Y6W3 (Homo sapiens) Explore Q9Y6W3  Go to UniProtKB:  Q9Y6W3
PHAROS:  Q9Y6W3 GTEx:  ENSG00000131375

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
IST1 homolog	B [auth G], D [auth E]	45	Homo sapiens	Mutation(s): 0  Gene Names: IST1
UniProt & NIH Common Fund Data Resources
Find proteins for P53990 (Homo sapiens) Explore P53990  Go to UniProtKB:  P53990
PHAROS:  P53990 GTEx:  ENSG00000182149

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 0.285 
• R-Value Work: 0.211 
• R-Value Observed: 0.218 
• Space Group: P 6₅ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 87.841	α = 90
b = 87.841	β = 90
c = 183.894	γ = 120

Software Package:

Software Name	Purpose
XDS	data reduction
Aimless	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-10-25 
Deposition Author(s): Paine, E., Whitby, F.G., Hill, C.P., Sunquist, W.I.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	1F31GM139318
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	5R01GM112080
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	S10OD030326

Revision History  

• Version 1.0: 2023-10-25
  Type: Initial release