8ACO | pdb_00008aco

Crystal structure of WT p38alpha

• PDB DOI: https://doi.org/10.2210/pdb8ACO/pdb

• Classification: ONCOPROTEIN
• Organism(s): Mus musculus
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2022-07-05 Released: 2023-11-29 
• Deposition Author(s): Pous, J., Baginski, B., Gonzalez, L., Macias, M.J., Nebreda, A.R.
• Funding Organization(s): Spanish Ministry of Science, Innovation, and Universities, La Caixa Foundation

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.65 Å
• R-Value Free: 
  0.278 (Depositor), 0.278 (DCC) 
• R-Value Work: 
  0.209 (Depositor), 0.209 (DCC) 

Starting Model: experimental

Literature

Crystal structure of WT p38alpha

Pous, J., Baginski, B., Gonzalez, L., Macias, M.J., Nebreda, A.R.

(null) Res Sq 

• DOI: https://doi.org/10.21203/rs.3.rs-3164388/v1

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: 41.68 kDa 
• Atom Count: 2,857 
• Modeled Residue Count: 334 
• Deposited Residue Count: 359 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Mitogen-activated protein kinase 14	A [auth AAA]	359	Mus musculus	Mutation(s): 0  Gene Names: Mapk14, Crk1, Csbp1, Csbp2 EC: 2.7.11.24
UniProt
Find proteins for P47811 (Mus musculus) Explore P47811  Go to UniProtKB:  P47811

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SB2 (Subject of Investigation/LOI)	B [auth AAA]	4-[5-(4-FLUORO-PHENYL)-2-(4-METHANESULFINYL-PHENYL)-3H-IMIDAZOL-4-YL]-PYRIDINE C21 H16 F N3 O S CDMGBJANTYXAIV-MHZLTWQESA-N
MG	C [auth AAA], D [auth AAA]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.65 Å
• R-Value Free:  0.278 (Depositor), 0.278 (DCC) 
• R-Value Work:  0.209 (Depositor), 0.209 (DCC) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 65.3	α = 90
b = 74.612	β = 90
c = 78.1	γ = 90

Software Package:

Software Name	Purpose
iMOSFLM	data reduction
SCALA	data scaling
PHASER	phasing
REFMAC	refinement

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2023-11-29 
Deposition Author(s): Pous, J., Baginski, B., Gonzalez, L., Macias, M.J., Nebreda, A.R.

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Funding Organization	Location	Grant Number
Spanish Ministry of Science, Innovation, and Universities	Spain	PID2019-109521RB-100
La Caixa Foundation	Spain	BioMedTec VIII - Nebre

Revision History  

• Version 1.0: 2023-11-29
  Type: Initial release
  
• Version 1.1: 2024-10-23
  Changes: Structure summary
• Version 1.2: 2026-03-04
  Changes: Refinement description