8SW5

Protein Phosphatase 1 in complex with PP1-specific Phosphatase targeting peptide (PhosTAP) version 1

• PDB DOI: https://doi.org/10.2210/pdb8SW5/pdb

• Classification: BIOSYNTHETIC PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2023-05-17 Released: 2024-05-29 
• Deposition Author(s): Choy, M.S., Peti, W., Page, R.
• 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: 2.39 Å
• R-Value Free: 0.252 
• R-Value Work: 0.210 
• R-Value Observed: 0.212 

Starting Model: experimental

Literature

A Protein Phosphatase 1 specific phosphatase targeting peptide (PhosTAP) to identify the PP1 phosphatome

Choy, M.S., Nguyen, H.T., Kettenbach, A.N., Peti, W., Page, R.

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: isothermal titration calorimetry

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: 80.23 kDa 
• Atom Count: 5,221 
• Modelled Residue Count: 636 
• Deposited Residue Count: 692 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Serine/threonine-protein phosphatase PP1-alpha catalytic subunit	A, B	299	Homo sapiens	Mutation(s): 0  Gene Names: PPP1CA, PPP1A EC: 3.1.3.16
UniProt & NIH Common Fund Data Resources
Find proteins for P62136 (Homo sapiens) Explore P62136  Go to UniProtKB:  P62136
PHAROS:  P62136 GTEx:  ENSG00000172531

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
PP1-specific Phosphatase-Targeting Peptide version 1	C, D	47	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for Q96QC0 (Homo sapiens) Explore Q96QC0  Go to UniProtKB:  Q96QC0
PHAROS:  Q96QC0 GTEx:  ENSG00000204569

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.39 Å
• R-Value Free: 0.252 
• R-Value Work: 0.210 
• R-Value Observed: 0.212 
• Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 92.876	α = 90
b = 92.876	β = 90
c = 200.107	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-05-29 
Deposition Author(s): Choy, M.S., Peti, W., Page, R.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	--

Revision History  

• Version 1.0: 2024-05-29
  Type: Initial release