4AW2 | pdb_00004aw2

Crystal structure of CDC42 binding protein kinase alpha (MRCK alpha)

• PDB DOI: https://doi.org/10.2210/pdb4AW2/pdb

• Classification: TRANSFERASE
• Organism(s): Rattus norvegicus
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2012-05-30 Released: 2012-06-20 
• Deposition Author(s): Elkins, J.M., Muniz, J.R.C., Tan, I., Leung, T., Lafanechere, L., Prudent, R., Abdul Azeez, K., Szklarz, M., Phillips, C., Wang, J., von Delft, F., Bountra, C., Edwards, A., Knapp, S.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 
  0.193 (Depositor), 0.194 (DCC) 
• R-Value Work: 
  0.169 (Depositor), 0.175 (DCC) 
• R-Value Observed: 
  0.170 (Depositor) 

Starting Model: experimental

Literature

Cdc42 Binding Protein Kinase Alpha (Mrck Alpha)

Elkins, J.M., Muniz, J.R.C., Tan, I., Leung, T., Lafanechere, L., Prudent, R., Abdul Azeez, K., Szklarz, M., Phillips, C., Wang, J., von Delft, F., Bountra, C., Edwards, A., Knapp, S.

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)

Macromolecule Content 

• Total Structure Weight: 50.9 kDa 
• Atom Count: 3,478 
• Modeled Residue Count: 398 
• Deposited Residue Count: 437 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
SERINE/THREONINE-PROTEIN KINASE MRCK ALPHA	A	437	Rattus norvegicus	Mutation(s): 1  EC: 2.7.11.1
UniProt
Find proteins for O54874 (Rattus norvegicus) Explore O54874  Go to UniProtKB:  O54874

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
22E	B [auth A]	5,11-dimethyl-1-oxo-2,6-dihydro-1h-pyrido[4,3-b]carbazol-9-yl benzoate C24 H18 N2 O3 WTDCOWKJENHJKG-NRFANRHFSA-N
EDO	C [auth A], D [auth A], E [auth A], F [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free:  0.193 (Depositor), 0.194 (DCC) 
• R-Value Work:  0.169 (Depositor), 0.175 (DCC) 
• R-Value Observed: 0.170 (Depositor) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 106.744	α = 90
b = 49.187	β = 113.4
c = 97.762	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-06-20 
Deposition Author(s): Elkins, J.M., Muniz, J.R.C., Tan, I., Leung, T., Lafanechere, L., Prudent, R., Abdul Azeez, K., Szklarz, M., Phillips, C., Wang, J., von Delft, F., Bountra, C., Edwards, A., Knapp, S.

Revision History  

• Version 1.0: 2012-06-20
  Type: Initial release
  
• Version 1.1: 2018-01-24
  Changes: Database references, Structure summary
• Version 1.2: 2023-12-20
  Changes: Data collection, Database references, Derived calculations, Other, Refinement description