4NR2 | pdb_00004nr2

Crystal structure of STK4 (MST1) SARAH domain

• PDB DOI: https://doi.org/10.2210/pdb4NR2/pdb

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


• Deposited: 2013-11-26 Released: 2014-01-29 
• Deposition Author(s): Chaikuad, A., Krojer, T., Kopec, J., von Delft, F., Arrowsmith, C.H., Edwards, A.M., Bountra, C., Knapp, S., Structural Genomics Consortium (SGC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 
  0.240 (Depositor), 0.240 (DCC) 
• R-Value Work: 
  0.207 (Depositor), 0.215 (DCC) 
• R-Value Observed: 
  0.209 (Depositor) 

Literature

Crystal structure of STK4 (MST1) SARAH domain

Chaikuad, A., Krojer, T., Kopec, J., von Delft, F., Arrowsmith, C.H., Edwards, A.M., Bountra, C., Knapp, S., Structural Genomics Consortium (SGC)

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly 3  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 3 assigned by authors and generated by PISA (software)

Biological Assembly 4  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 4 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 50.17 kDa 
• Atom Count: 3,703 
• Modeled Residue Count: 398 
• Deposited Residue Count: 408 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Serine/threonine-protein kinase 4	A, B, C, D, E, F, G, H	51	Homo sapiens	Mutation(s): 0  Gene Names: KRS2, MST1, STK4 EC: 2.7.11.1
UniProt & NIH Common Fund Data Resources
Find proteins for Q13043 (Homo sapiens) Explore Q13043  Go to UniProtKB:  Q13043
PHAROS:  Q13043 GTEx:  ENSG00000101109

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EDO	I [auth A], J [auth A], K [auth A], L [auth A], M [auth B], N [auth C], O [auth E], P [auth F], Q [auth H], R [auth H]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free:  0.240 (Depositor), 0.240 (DCC) 
• R-Value Work:  0.207 (Depositor), 0.215 (DCC) 
• R-Value Observed: 0.209 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 55.26	α = 90
b = 63.75	β = 90
c = 144.74	γ = 90

Software Package:

Software Name	Purpose
GDA	data collection
SHARP	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-01-29 
Deposition Author(s): Chaikuad, A., Krojer, T., Kopec, J., von Delft, F., Arrowsmith, C.H., Edwards, A.M., Bountra, C., Knapp, S., Structural Genomics Consortium (SGC)

Revision History  

• Version 1.0: 2014-01-29
  Type: Initial release
  
• Version 1.1: 2018-01-31
  Changes: Database references, Structure summary
• Version 1.2: 2024-02-28
  Changes: Data collection, Database references, Derived calculations, Refinement description