1SHF

CRYSTAL STRUCTURE OF THE SH3 DOMAIN IN HUMAN FYN; COMPARISON OF THE THREE-DIMENSIONAL STRUCTURES OF SH3 DOMAINS IN TYROSINE KINASES AND SPECTRIN


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Work: 0.180 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Crystal structure of the SH3 domain in human Fyn; comparison of the three-dimensional structures of SH3 domains in tyrosine kinases and spectrin.

Noble, M.E.Musacchio, A.Saraste, M.Courtneidge, S.A.Wierenga, R.K.

(1993) EMBO J. 12: 2617-2624


  • PubMed Abstract: 
  • The Src-homology 3 (SH3) region is a protein domain consisting of approximately 60 residues. It occurs in a large number of eukaryotic proteins involved in signal transduction, cell polarization and membrane--cytoskeleton interactions. The function i ...

    The Src-homology 3 (SH3) region is a protein domain consisting of approximately 60 residues. It occurs in a large number of eukaryotic proteins involved in signal transduction, cell polarization and membrane--cytoskeleton interactions. The function is unknown, but it is probably involved in specific protein--protein interactions. Here we report the crystal structure of the SH3 domain of Fyn (a Src family tyrosine kinase) at 1.9 A resolution. The crystals have two SH3 molecules per asymmetric unit. These two Fyn SH3 domains are not related by a local twofold axis. The crystal structures of spectrin and Fyn SH3 domains as well as the solution structure of the Src SH3 domain show that these all have the same basic fold. A protein domain which has the same topology as SH3 is present in the prokaryotic regulatory enzyme BirA. The comparison between the crystal structures of Fyn and spectrin SH3 domains shows that a conserved surface patch, consisting mainly of aromatic residues, is flanked by two hairpin-like loops (residues 94-104 and 114-118 in Fyn). These loops are different in tyrosine kinase and spectrin SH3 domains. They could modulate the binding properties of the aromatic surface.


    Organizational Affiliation

    EMBL, Heidelberg, Germany.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
FYN TYROSINE KINASE SH3 DOMAIN
A, B
59Homo sapiensMutation(s): 0 
Gene Names: FYN
EC: 2.7.10.2
Find proteins for P06241 (Homo sapiens)
Go to Gene View: FYN
Go to UniProtKB:  P06241
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Work: 0.180 
  • Space Group: C 1 2 1
Unit Cell:
Length (Å)Angle (°)
a = 73.700α = 90.00
b = 48.600β = 98.10
c = 43.000γ = 90.00
Software Package:
Software NamePurpose
TNTrefinement
X-PLORphasing
X-PLORrefinement
X-PLORmodel building

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 1993-10-31
    Type: Initial release
  • Version 1.1: 2008-03-24
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance