2QME

Crystal structure of human RAC3 in complex with CRIB domain of human p21-activated kinase 1 (PAK1)

• PDB DOI: https://doi.org/10.2210/pdb2QME/pdb

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


• Deposited: 2007-07-16 Released: 2007-08-28 
• Deposition Author(s): Ugochukwu, E., Yang, X., Elkins, J.M., Burgess-Brown, N., Bunkoczi, G., Sundstrom, M., Arrowsmith, C.H., Weigelt, J., Edwards, A., von Delft, F., Knapp, S., Doyle, D., Structural Genomics Consortium (SGC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 0.192 
• R-Value Work: 0.149 
• R-Value Observed: 0.151 

Literature

The crystal structure of the human RAC3 in complex with the CRIB domain of human p21-activated kinase 1 (PAK1).

Ugochukwu, E., Yang, X., Elkins, J.M., Burgess-Brown, N., Bunkoczi, G., Knapp, S., Doyle, D.

To be published.

Biological Assembly 1  

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

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

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 24.73 kDa 
• Atom Count: 1,863 
• Modelled Residue Count: 202 
• Deposited Residue Count: 215 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Ras-related C3 botulinum toxin substrate 3	A	179	Homo sapiens	Mutation(s): 0  Gene Names: RAC3
UniProt & NIH Common Fund Data Resources
Find proteins for P60763 (Homo sapiens) Explore P60763  Go to UniProtKB:  P60763
PHAROS:  P60763 GTEx:  ENSG00000169750

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
CRIB domain of the Serine/threonine-protein kinase PAK 1	B [auth I]	36	N/A	Mutation(s): 0  EC: 2.7.11.1
UniProt & NIH Common Fund Data Resources
Find proteins for Q13153 (Homo sapiens) Explore Q13153  Go to UniProtKB:  Q13153
PHAROS:  Q13153 GTEx:  ENSG00000149269

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GCP	D [auth A]	PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER C11 H18 N5 O13 P3 PHBDHXOBFUBCJD-KQYNXXCUSA-N
GOL	E [auth A], F [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
MG	C [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 0.192 
• R-Value Work: 0.149 
• R-Value Observed: 0.151 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 84.226	α = 90
b = 53.48	β = 93.45
c = 47.682	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
CrystalClear	data collection
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-08-28 
Deposition Author(s): Ugochukwu, E., Yang, X., Elkins, J.M., Burgess-Brown, N., Bunkoczi, G., Sundstrom, M., Arrowsmith, C.H., Weigelt, J., Edwards, A., von Delft, F., Knapp, S., Doyle, D., Structural Genomics Consortium (SGC)

Revision History  

• Version 1.0: 2007-08-28
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2023-08-30
  Changes: Data collection, Database references, Derived calculations, Refinement description