8RM2

Erk2 MAP kinase T188E mutant

• PDB DOI: https://doi.org/10.2210/pdb8RM2/pdb

• Classification: TRANSFERASE
• Organism(s): Rattus norvegicus
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2024-01-04 Released: 2025-01-15 
• Deposition Author(s): Livnah, O., Gutman, D.
• Funding Organization(s): Not funded

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free: 
  0.236 (Depositor), 0.251 (DCC) 
• R-Value Work: 
  0.200 (Depositor), 0.209 (DCC) 
• R-Value Observed: 
  0.202 (Depositor) 

Starting Model: experimental

Literature

Erk2 MAP kinase T188E mutant

Livnah, O., Gutman, D.

To be published.

Biological Assembly 1  

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

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

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 42.45 kDa 
• Atom Count: 2,987 
• Modelled Residue Count: 347 
• Deposited Residue Count: 365 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Mitogen-activated protein kinase 1	A	365	Rattus norvegicus	Mutation(s): 1  Gene Names: Mapk1, Erk2, Mapk, Prkm1 EC: 2.7.11.24
UniProt
Find proteins for P63086 (Rattus norvegicus) Explore P63086  Go to UniProtKB:  P63086

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4 (Subject of Investigation/LOI)	B [auth A], C [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free:  0.236 (Depositor), 0.251 (DCC) 
• R-Value Work:  0.200 (Depositor), 0.209 (DCC) 
• R-Value Observed: 0.202 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 48.306	α = 90
b = 68.88	β = 109.02
c = 59.705	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XDS	data scaling
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-01-15 
Deposition Author(s): Livnah, O., Gutman, D.

---

Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2025-01-15
  Type: Initial release