4ORB | pdb_00004orb

Crystal structure of mouse calcineurin

• PDB DOI: https://doi.org/10.2210/pdb4ORB/pdb

• Classification: HYDROLASE/METAL BINDING PROTEIN
• Organism(s): Mus musculus
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2014-02-11 Released: 2015-05-20 
• Deposition Author(s): Ma, L., Li, S.J., Wang, J., Wu, J.W., Wang, Z.X.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.11 Å
• R-Value Free: 
  0.243 (Depositor), 0.240 (DCC) 
• R-Value Work: 
  0.196 (Depositor), 0.190 (DCC) 
• R-Value Observed: 
  0.198 (Depositor) 

Starting Model: experimental

Literature

Cooperative autoinhibition and multi-level activation mechanisms of calcineurin

Li, S.J., Ma, L., Wang, J., Lu, C., Wang, J., Wu, J.W., Wang, Z.X.

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)

Macromolecule Content 

• Total Structure Weight: 78.36 kDa 
• Atom Count: 4,399 
• Modeled Residue Count: 542 
• Deposited Residue Count: 689 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Serine/threonine-protein phosphatase 2B catalytic subunit alpha isoform	A	519	Mus musculus	Mutation(s): 0  Gene Names: Calna, Ppp3ca EC: 3.1.3.16
UniProt & NIH Common Fund Data Resources
Find proteins for P63328 (Mus musculus) Explore P63328  Go to UniProtKB:  P63328
IMPC:  MGI:107164

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Calcineurin subunit B type 1	B	170	Mus musculus	Mutation(s): 0  Gene Names: Cnb, Ppp3r1
UniProt
Find proteins for Q63810 (Mus musculus) Explore Q63810  Go to UniProtKB:  Q63810

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	C [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
FE	D [auth A]	FE (III) ION Fe VTLYFUHAOXGGBS-UHFFFAOYSA-N
CA	E [auth B], F [auth B], G [auth B], H [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.11 Å
• R-Value Free:  0.243 (Depositor), 0.240 (DCC) 
• R-Value Work:  0.196 (Depositor), 0.190 (DCC) 
• R-Value Observed: 0.198 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 48.865	α = 90
b = 107.466	β = 90
c = 175.823	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
PHASER	phasing
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-05-20 
Deposition Author(s): Ma, L., Li, S.J., Wang, J., Wu, J.W., Wang, Z.X.

Revision History  

• Version 1.0: 2015-05-20
  Type: Initial release
  
• Version 1.1: 2016-12-21
  Changes: Structure summary
• Version 1.2: 2023-11-08
  Changes: Data collection, Database references, Derived calculations, Refinement description