6TS3 | pdb_00006ts3

EF-hands 3 and 4 of alpha-actinin in complex with CaMKII regulatory segment

• PDB DOI: https://doi.org/10.2210/pdb6TS3/pdb

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


• Deposited: 2019-12-19 Released: 2021-01-13 
• Deposition Author(s): Zhu, J., Gold, M.
• Funding Organization(s): Biotechnology and Biological Sciences Research Council (BBSRC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.28 Å
• R-Value Free: 
  0.199 (Depositor), 0.200 (DCC) 
• R-Value Work: 
  0.183 (Depositor), 0.180 (DCC) 
• R-Value Observed: 
  0.184 (Depositor) 

Literature

EF-hands 3 and 4 of alpha-actinin in complex with CaMKII regulatory segment

Zhu, J., Gold, M.

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 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: 20.75 kDa 
• Atom Count: 1,668 
• Modeled Residue Count: 180 
• Deposited Residue Count: 190 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Alpha-actinin-2	A, B	73	Homo sapiens	Mutation(s): 0  Gene Names: ACTN2
UniProt & NIH Common Fund Data Resources
Find proteins for P35609 (Homo sapiens) Explore P35609  Go to UniProtKB:  P35609
PHAROS:  P35609 GTEx:  ENSG00000077522

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
ACE-ASN-ALA-ARG-ARG-LYS-LEU-LYS-GLY-ALA-ILE-LEU-THR-THR-MET-LEU-ALA-THR-ARG-ASN-PHE	C, D	22	Mus musculus	Mutation(s): 0  EC: 2.7.11.17
UniProt
Find proteins for P11798 (Mus musculus) Explore P11798  Go to UniProtKB:  P11798

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ACE (Subject of Investigation/LOI)	E [auth C], F [auth D]	ACETYL GROUP C2 H4 O IKHGUXGNUITLKF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.28 Å
• R-Value Free:  0.199 (Depositor), 0.200 (DCC) 
• R-Value Work:  0.183 (Depositor), 0.180 (DCC) 
• R-Value Observed: 0.184 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 43.355	α = 90
b = 47.27	β = 110.532
c = 47.472	γ = 90

Software Package:

Software Name	Purpose
DIALS	data collection
PHENIX	refinement
DIALS	data reduction
Aimless	data scaling
CRANK2	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2021-01-13 
Deposition Author(s): Zhu, J., Gold, M.

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Funding Organization	Location	Grant Number
Biotechnology and Biological Sciences Research Council (BBSRC)	United Kingdom	533303

Revision History  

• Version 1.0: 2021-01-13
  Type: Initial release
  
• Version 1.1: 2025-04-09
  Changes: Data collection, Database references, Structure summary