1E0A | pdb_00001e0a

Cdc42 complexed with the GTPase binding domain of p21 activated kinase

• PDB DOI: https://doi.org/10.2210/pdb1E0A/pdb

• Classification: SIGNALLING PROTEIN/KINASE
• Organism(s): Homo sapiens, Rattus norvegicus
• Expression System: Escherichia coli BL21(DE3), Escherichia coli BL21
• Mutation(s): Yes 


• Deposited: 2000-03-16 Released: 2000-04-18 
• Deposition Author(s): Morreale, A., Venkatesan, M., Mott, H.R., Owen, D., Nietlispach, D., Lowe, P.N., Laue, E.D.

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Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 100 
• Conformers Submitted: 20 
• Selection Criteria: NO VIOLATIONS 

Literature

Solution Structure of Cdc42 Bound to the Gtpase Binding Domian of Pak

Morreale, A., Venkatesan, M., Mott, H.R., Owen, D., Nietlispach, D., Lowe, P.N., Laue, E.D.

(2000) Nat Struct Biol 7: 384

• PubMed: 10802735 
• DOI: https://doi.org/10.1038/75158
• Primary Citation Related Structures: 
  1E0A


• PubMed Abstract: 
  

  The Rho family GTPases, Cdc42, Rac and Rho, regulate signal transduction pathways via interactions with downstream effector proteins. We report here the solution structure of Cdc42 bound to the GTPase binding domain of alphaPAK, an effector of both Cdc42 and Rac. The structure is compared with those of Cdc42 bound to similar fragments of ACK and WASP, two effector proteins that bind only to Cdc42. The N-termini of all three effector fragments bind in an extended conformation to strand beta2 of Cdc42, and contact helices alpha1 and alpha5. The remaining residues bind to switches I and II of Cdc42, but in a significantly different manner. The structure, together with mutagenesis data, suggests reasons for the specificity of these interactions and provides insight into the mechanism of PAK activation.

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Organizational Affiliation: 
• Cambridge Centre for Molecular Recognition, Department of Biochemistry, University of Cambridge, 80 Tennis Court Road, Cambridge CB2 1GA, UK.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 26.08 kDa 
• Atom Count: 1,830 
• Modeled Residue Count: 230 
• Deposited Residue Count: 230 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cell division control protein 42 homolog	A	184	Homo sapiens	Mutation(s): 1  Gene Names: CDC42 EC: 3.6.5.2
UniProt & NIH Common Fund Data Resources
Find proteins for P60953 (Homo sapiens) Explore P60953  Go to UniProtKB:  P60953
PHAROS:  P60953 GTEx:  ENSG00000070831

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Serine/threonine-protein kinase PAK 1	B	46	Rattus norvegicus	Mutation(s): 0  Gene Names: Pak1 EC: 2.7.11.1
UniProt
Find proteins for P35465 (Rattus norvegicus) Explore P35465  Go to UniProtKB:  P35465

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GNP	C [auth A]	PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER C10 H17 N6 O13 P3 UQABYHGXWYXDTK-UUOKFMHZSA-N
MG	D [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 100 
• Conformers Submitted: 20 
• Selection Criteria: NO VIOLATIONS 

Structure Validation

Entry History 

Deposition Data

• Released Date: 2000-04-18 
Deposition Author(s): Morreale, A., Venkatesan, M., Mott, H.R., Owen, D., Nietlispach, D., Lowe, P.N., Laue, E.D.

Revision History  

• Version 1.0: 2000-04-18
  Type: Initial release
  
• Version 1.1: 2013-05-15
  Changes: Atomic model, Database references, Derived calculations, Non-polymer description, Other, Source and taxonomy, Structure summary, Version format compliance
• Version 1.2: 2014-02-05
  Changes: Source and taxonomy
• Version 1.3: 2019-09-25
  Changes: Data collection, Database references, Other, Source and taxonomy, Structure summary
• Version 1.4: 2024-05-15
  Changes: Data collection, Database references, Derived calculations