2FF3

Crystal structure of Gelsolin domain 1:N-wasp V2 motif hybrid in complex with actin


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.00 Å
  • R-Value Free: 0.250 
  • R-Value Work: 0.210 
  • R-Value Observed: 0.212 

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Literature

The Structural Basis of Actin Interaction with Multiple WH2/beta-Thymosin Motif-Containing Proteins

Aguda, A.H.Xue, B.Irobi, E.Preat, T.Robinson, R.C.

(2006) Structure 14: 469-476

  • DOI: 10.1016/j.str.2005.12.011
  • Primary Citation of Related Structures:  
    2FF3, 2FF6

  • PubMed Abstract: 
  • Participation of actin in cellular processes relies on the dynamics of filament assembly. Filament elongation is fed by monomeric actin in complex with either profilin or a Wiscott-Aldrich syndrome protein (WASP) homology domain 2 (WH2)/beta-thymosin (betaT) domain ...

    Participation of actin in cellular processes relies on the dynamics of filament assembly. Filament elongation is fed by monomeric actin in complex with either profilin or a Wiscott-Aldrich syndrome protein (WASP) homology domain 2 (WH2)/beta-thymosin (betaT) domain. WH2/betaT motif repetition (typified by ciboulot) or combination with nonrelated domains (as found in N-WASP) results in proteins that yield their actin to filament elongation. Here, we report the crystal structures of actin bound hybrid proteins, constructed between gelsolin and WH2/betaT domains from ciboulot or N-WASP. We observe the C-terminal half of ciboulot domain 2 bound to actin. In solution, we show that cibolout domains 2 and 3 bind to both G- and F-actin, and that whole ciboulot forms a complex with two actin monomers. In contrast, the analogous portion of N-WASP WH2 domain 2 is detached from actin, indicating that the C-terminal halves of the betaT and WH2 motifs are not functionally analogous.


    Organizational Affiliation

    Department of Medical Biochemistry and Microbiology, Uppsala Biomedical Center, Uppsala University, Uppsala 751 23, Sweden.



Macromolecules
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Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
GelsolinA150Homo sapiensMutation(s): 0 
Gene Names: GSN
UniProt & NIH Common Fund Data Resources
Find proteins for P06396 (Homo sapiens)
Explore P06396 
Go to UniProtKB:  P06396
PHAROS:  P06396
GTEx:  ENSG00000148180 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP06396
Protein Feature View
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  • Reference Sequence

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Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
Neural Wiskott-Aldrich syndrome proteinB [auth C]15Homo sapiensMutation(s): 0 
Gene Names: WASL
UniProt & NIH Common Fund Data Resources
Find proteins for O00401 (Homo sapiens)
Explore O00401 
Go to UniProtKB:  O00401
PHAROS:  O00401
GTEx:  ENSG00000106299 
Entity Groups  
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UniProt GroupO00401
Protein Feature View
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  • Reference Sequence
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Entity ID: 3
MoleculeChainsSequence LengthOrganismDetailsImage
Actin, alpha skeletal muscleC [auth B]375Oryctolagus cuniculusMutation(s): 0 
Gene Names: ACTA1ACTA
UniProt
Find proteins for P68135 (Oryctolagus cuniculus)
Explore P68135 
Go to UniProtKB:  P68135
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP68135
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
ATP
Query on ATP

Download Ideal Coordinates CCD File 
G [auth B]ADENOSINE-5'-TRIPHOSPHATE
C10 H16 N5 O13 P3
ZKHQWZAMYRWXGA-KQYNXXCUSA-N
 Ligand Interaction
CA
Query on CA

Download Ideal Coordinates CCD File 
D [auth A],
E [auth A],
F [auth B]
CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.00 Å
  • R-Value Free: 0.250 
  • R-Value Work: 0.210 
  • R-Value Observed: 0.212 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 56.996α = 90
b = 69.347β = 90
c = 179.868γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
HKL-2000data reduction
CCP4data scaling
AMoREphasing

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2006-03-21
    Type: Initial release
  • Version 1.1: 2008-05-01
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance