6C0A

Actinin-1 EF-Hand bound to the Cav1.2 IQ Motif

• PDB DOI: https://doi.org/10.2210/pdb6C0A/pdb
• BMRB: 25902

• Classification: SIGNALING PROTEIN
• Organism(s): Mus musculus, Homo sapiens
• Expression System: Escherichia coli 'BL21-Gold(DE3)pLysS AG
• Mutation(s): No 


• Deposited: 2017-12-28 Released: 2019-01-16 
• Deposition Author(s): Turner, M.L., Ames, J.B.
• Funding Organization(s): National Institutes of Health/National Eye Institute (NIH/NEI)

---

Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 194 
• Conformers Submitted: 4 
• Selection Criteria: structures with the lowest energy 

Literature

Structural Basis of the Localization and Activation of Neuronal L-type Ca2+ Channels by a-Actinin1 and Calmodulin

Turner, M.L., Anderson, D.E., Coleman, A., Horn, M., Navedo, M., Ames, J.B., Hell, J.W.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: isothermal titration calorimetry

Macromolecule Content

• Total Structure Weight: 10.77 kDa 
• Atom Count: 756 
• Modelled Residue Count: 94 
• Deposited Residue Count: 94 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Alpha-actinin-1	A	71	Mus musculus	Mutation(s): 0  Gene Names: Actn1
UniProt
Find proteins for Q7TPR4 (Mus musculus) Explore Q7TPR4  Go to UniProtKB:  Q7TPR4

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Voltage-dependent L-type calcium channel subunit alpha-1C	B	23	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for Q13936 (Homo sapiens) Explore Q13936  Go to UniProtKB:  Q13936
PHAROS:  Q13936 GTEx:  ENSG00000151067

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 194 
• Conformers Submitted: 4 
• Selection Criteria: structures with the lowest energy 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2019-01-16 
Deposition Author(s): Turner, M.L., Ames, J.B.

---

Funding Organization	Location	Grant Number
National Institutes of Health/National Eye Institute (NIH/NEI)	United States	EY012347

Revision History  

• Version 1.0: 2019-01-16
  Type: Initial release
  
• Version 1.1: 2019-02-20
  Changes: Author supporting evidence, Data collection
• Version 1.2: 2019-12-11
  Changes: Author supporting evidence, Data collection
• Version 1.3: 2023-06-14
  Changes: Database references, Other