4RA2

PP2Ca

• PDB DOI: https://doi.org/10.2210/pdb4RA2/pdb

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


• Deposited: 2014-09-09 Released: 2015-05-13 
• Deposition Author(s): Pan, C., Tang, J.Y., Xu, Y.F., Xiao, P., Liu, H.D., Wang, H.A., Wang, W.B., Meng, F.G., Yu, X., Sun, J.P.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.94 Å
• R-Value Free: 0.224 
• R-Value Work: 0.196 
• R-Value Observed: 0.197 

Starting Model: experimental

Literature

The catalytic role of the M2 metal ion in PP2Ca

Pan, C., Tang, J.Y., Xu, Y.F., Xiao, P., Liu, H.D., Wang, H.A., Wang, W.B., Meng, F.G., Yu, X., Sun, J.P.

(2015) Sci Rep 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

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

Macromolecule Content

• Total Structure Weight: 40.96 kDa 
• Atom Count: 3,042 
• Modelled Residue Count: 363 
• Deposited Residue Count: 367 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Protein phosphatase 1A	A	367	Homo sapiens	Mutation(s): 0  Gene Names: PPM1A, PPPM1A EC: 3.1.3.16
UniProt & NIH Common Fund Data Resources
Find proteins for P35813 (Homo sapiens) Explore P35813  Go to UniProtKB:  P35813
PHAROS:  P35813 GTEx:  ENSG00000100614

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PO4	D [auth A]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K
MN	B [auth A], C [auth A]	MANGANESE (II) ION Mn WAEMQWOKJMHJLA-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.94 Å
• R-Value Free: 0.224 
• R-Value Work: 0.196 
• R-Value Observed: 0.197 
• Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 90.714	α = 90
b = 90.714	β = 90
c = 105.443	γ = 120

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-05-13 
Deposition Author(s): Pan, C., Tang, J.Y., Xu, Y.F., Xiao, P., Liu, H.D., Wang, H.A., Wang, W.B., Meng, F.G., Yu, X., Sun, J.P.

Revision History  

• Version 1.0: 2015-05-13
  Type: Initial release
  
• Version 1.1: 2023-11-08
  Changes: Data collection, Database references, Derived calculations, Refinement description