8BZJ

Human MST3 (STK24) kinase in complex with inhibitor MRLW5

• PDB DOI: https://doi.org/10.2210/pdb8BZJ/pdb

• Classification: TRANSFERASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2022-12-14 Released: 2023-01-18 
• Deposition Author(s): Balourdas, D.I., Rak, M., Tesch, R., Knapp, S., Joerger, A.C., Structural Genomics Consortium (SGC)
• Funding Organization(s): German Research Foundation (DFG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.52 Å
• R-Value Free: 0.250 
• R-Value Work: 0.182 
• R-Value Observed: 0.185 

Literature

Human MST3 (STK24) kinase in complex with inhibitor MRLW5

Balourdas, D.I., Rak, M., Tesch, R., Knapp, S., Joerger, A.C., Structural Genomics Consortium (SGC)

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 70.08 kDa 
• Atom Count: 4,163 
• Modelled Residue Count: 531 
• Deposited Residue Count: 612 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Serine/threonine-protein kinase 24	A, B	306	Homo sapiens	Mutation(s): 0  Gene Names: STK24, MST3, STK3 EC: 2.7.11.1
UniProt & NIH Common Fund Data Resources
Find proteins for Q9Y6E0 (Homo sapiens) Explore Q9Y6E0  Go to UniProtKB:  Q9Y6E0
PHAROS:  Q9Y6E0 GTEx:  ENSG00000102572

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SJX (Subject of Investigation/LOI)	C [auth A], D [auth B]	8-(4-azanylbutyl)-6-[2-chloranyl-4-(6-methylpyridin-2-yl)phenyl]-2-(methylamino)pyrido[2,3-d]pyrimidin-7-one C24 H25 Cl N6 O YASIXTGDNNJPQS-UHFFFAOYSA-N
EDO	E [auth B]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.52 Å
• R-Value Free: 0.250 
• R-Value Work: 0.182 
• R-Value Observed: 0.185 
• Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 55.049	α = 88.855
b = 57.737	β = 89.175
c = 61.771	γ = 62.12

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-01-18 
Deposition Author(s): Balourdas, D.I., Rak, M., Tesch, R., Knapp, S., Joerger, A.C., Structural Genomics Consortium (SGC)

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Funding Organization	Location	Grant Number
German Research Foundation (DFG)	Germany	JO 1473/1-3

Revision History  

• Version 1.0: 2023-01-18
  Type: Initial release
  
• Version 2.0: 2023-05-24
  Changes: Non-polymer description