5FR2

Farnesylated RhoA-GDP in complex with RhoGDI-alpha, lysine acetylated at K178


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.35 Å
  • R-Value Free: 0.258 
  • R-Value Work: 0.236 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Structural and Mechanistic Insights Into the Regulation of the Fundamental Rho-Regulator Rhogdi Alpha by Lysine Acetylation.

Kuhlmann, N.Wroblowski, S.Knyphausen, P.De Boor, S.Brenig, J.Zienert, A.Y.Meyer-Teschendorf, K.Praefcke, G.J.K.Nolte, H.Kruger, M.Schacherl, M.Baumann, U.James, L.C.Chin, J.W.Lammers, M.

(2016) J.Biol.Chem. 291: 5484

  • DOI: 10.1074/jbc.M115.707091

  • PubMed Abstract: 
  • Rho proteins are small GTP/GDP-binding proteins primarily involved in cytoskeleton regulation. Their GTP/GDP cycle is often tightly connected to a membrane/cytosol cycle regulated by the Rho guanine nucleotide dissociation inhibitor α (RhoGDIα). RhoG ...

    Rho proteins are small GTP/GDP-binding proteins primarily involved in cytoskeleton regulation. Their GTP/GDP cycle is often tightly connected to a membrane/cytosol cycle regulated by the Rho guanine nucleotide dissociation inhibitor α (RhoGDIα). RhoGDIα has been regarded as a housekeeping regulator essential to control homeostasis of Rho proteins. Recent proteomic screens showed that RhoGDIα is extensively lysine-acetylated. Here, we present the first comprehensive structural and mechanistic study to show how RhoGDIα function is regulated by lysine acetylation. We discover that lysine acetylation impairs Rho protein binding and increases guanine nucleotide exchange factor-catalyzed nucleotide exchange on RhoA, these two functions being prerequisites to constitute a bona fide GDI displacement factor. RhoGDIα acetylation interferes with Rho signaling, resulting in alteration of cellular filamentous actin. Finally, we discover that RhoGDIα is endogenously acetylated in mammalian cells, and we identify CBP, p300, and pCAF as RhoGDIα-acetyltransferases and Sirt2 and HDAC6 as specific deacetylases, showing the biological significance of this post-translational modification.


    Organizational Affiliation

    From the Institute for Genetics and Cologne Excellence Cluster on Cellular Stress Responses in Aging-associated Diseases (CECAD), Joseph-Stelzmann-Strasse 26, University of Cologne, 50931 Cologne, Germany.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
TRANSFORMING PROTEIN RHOA
A
195Homo sapiensMutation(s): 0 
Gene Names: RHOA (ARH12, ARHA, RHO12)
EC: 3.6.5.2
Find proteins for P61586 (Homo sapiens)
Go to Gene View: RHOA
Go to UniProtKB:  P61586
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
RHO GDP-DISSOCIATION INHIBITOR 1
B
213Bos taurusMutation(s): 0 
Gene Names: ARHGDIA
Find proteins for P19803 (Bos taurus)
Go to Gene View: ARHGDIA
Go to UniProtKB:  P19803
Small Molecules
Ligands 4 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
GDP
Query on GDP

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Download CCD File 
A
GUANOSINE-5'-DIPHOSPHATE
C10 H15 N5 O11 P2
QGWNDRXFNXRZMB-UUOKFMHZSA-N
 Ligand Interaction
FAR
Query on FAR

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Download CCD File 
A
FARNESYL
C15 H26
JXBSHSBNOVLGHF-BUJBXKITSA-N
 Ligand Interaction
BGC
Query on BGC

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Download CCD File 
B
BETA-D-GLUCOSE
C6 H12 O6
WQZGKKKJIJFFOK-VFUOTHLCSA-N
 Ligand Interaction
MG
Query on MG

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Download CCD File 
A
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
 Ligand Interaction
Modified Residues  1 Unique
IDChainsTypeFormula2D DiagramParent
ALY
Query on ALY
B
L-PEPTIDE LINKINGC8 H16 N2 O3LYS
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.35 Å
  • R-Value Free: 0.258 
  • R-Value Work: 0.236 
  • Space Group: P 62
Unit Cell:
Length (Å)Angle (°)
a = 176.979α = 90.00
b = 176.979β = 90.00
c = 63.896γ = 120.00
Software Package:
Software NamePurpose
Aimlessdata scaling
MOSFLMdata reduction
PHASERphasing
PHENIXrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Revision History 

  • Version 1.0: 2016-01-13
    Type: Initial release
  • Version 1.1: 2016-01-27
    Type: Database references
  • Version 1.2: 2016-03-23
    Type: Database references