3CKX

Crystal structure of sterile 20-like kinase 3 (MST3, STK24) in complex with staurosporine

• PDB DOI: https://doi.org/10.2210/pdb3CKX/pdb

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


• Deposited: 2008-03-17 Released: 2008-04-29 
• Deposition Author(s): Antonysamy, S.S., Burley, S.K., Buchanan, S., Chau, F., Feil, I., Wu, L., Sauder, J.M., New York SGX Research Center for Structural Genomics (NYSGXRC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 
  0.268 (Depositor), 0.270 (DCC) 
• R-Value Work: 
  0.204 (Depositor), 0.200 (DCC) 
• R-Value Observed: 
  0.204 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of sterile 20-like kinase 3 (MST3, STK24) in complex with staurosporine.

Antonysamy, S.S., Burley, S.K., Buchanan, S., Chau, F., Feil, I., Wu, L., Sauder, J.M.

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)

Macromolecule Content

• Total Structure Weight: 35.12 kDa 
• Atom Count: 2,205 
• Modelled Residue Count: 277 
• Deposited Residue Count: 304 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Serine/threonine-protein kinase 24	A	304	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 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
STU	B [auth A]	STAUROSPORINE C28 H26 N4 O3 HKSZLNNOFSGOKW-FYTWVXJKSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
TPO	A	L-PEPTIDE LINKING	C4 H10 N O6 P		THR

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free:  0.268 (Depositor), 0.270 (DCC) 
• R-Value Work:  0.204 (Depositor), 0.200 (DCC) 
• R-Value Observed: 0.204 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 47.369	α = 90
b = 54.766	β = 114.69
c = 61.136	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345	data collection
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-04-29 
Deposition Author(s): Antonysamy, S.S., Burley, S.K., Buchanan, S., Chau, F., Feil, I., Wu, L., Sauder, J.M., New York SGX Research Center for Structural Genomics (NYSGXRC)

Revision History  

• Version 1.0: 2008-04-29
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-10-25
  Changes: Refinement description
• Version 1.3: 2018-11-14
  Changes: Data collection, Structure summary
• Version 1.4: 2021-02-03
  Changes: Database references, Derived calculations, Structure summary
• Version 1.5: 2023-08-30
  Changes: Data collection, Database references, Refinement description
• Version 1.6: 2024-10-16
  Changes: Structure summary