Biological Assembly 1  

 3D View: Structure

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 19.07 kDa 
• Atom Count: 1337 
• Modelled Residue Count: 168 
• Deposited Residue Count: 168 
• Unique protein chains: 1

1H6Q

Translationally Controlled Tumor-associated Protein p23fyp from Schizosaccharomyces pombe

• DOI: 10.2210/pdb1H6Q/pdb
• BMRB: 4447

• Classification: TUMOR-ASSOCIATED PROTEIN
• Organism(s): Schizosaccharomyces pombe
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2001-06-20 Released: 2001-08-09 
• Deposition Author(s): Thaw, P., Baxter, N.J., Sedelnikova, S.E., Price, C., Waltho, J.P., Craven, C.J.

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Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 100 
• Conformers Submitted: 1 
• Selection Criteria: LOWEST ENERGY 

Literature

Structure of TCTP reveals unexpected relationship with guanine nucleotide-free chaperones.

Thaw, P., Baxter, N.J., Hounslow, A.M., Price, C., Waltho, J.P., Craven, C.J.

(2001) Nat Struct Biol 8: 701-704

• PubMed: 11473261 
• DOI: 10.1038/90415
• Primary Citation of Related Structures:  
  1H6Q, 1H7Y


• PubMed Abstract: 
  

The translationally controlled tumor-associated proteins (TCTPs) are a highly conserved and abundantly expressed family of eukaryotic proteins that are implicated in both cell growth and the human acute allergic response but whose intracellular biochemical function has remained elusive. We report here the solution structure of the TCTP from Schizosaccharomyces pombe, which, on the basis of sequence homology, defines the fold of the entire family. We show that TCTPs form a structural superfamily with the Mss4/Dss4 family of proteins, which bind to the GDP/GTP free form of Rab proteins (members of the Ras superfamily) and have been termed guanine nucleotide-free chaperones (GFCs). Mss4 also acts as a relatively inefficient guanine nucleotide exchange factor (GEF). We further show that the Rab protein binding site on Mss4 coincides with the region of highest sequence conservation in the TCTP family. This is the first link to any other family of proteins that has been established for the TCTP family and suggests the presence of a GFC/GEF at extremely high abundance in eukaryotic cells.

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Organizational Affiliation: 

Krebs Institute for Biomolecular Research, Department of Molecular Biology and Biotechnology, University of Sheffield, Firth Court, Western Bank, Sheffield, S10 2TN, UK.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
TRANSLATIONALLY CONTROLLED TUMOR PROTEIN	A	168	Schizosaccharomyces pombe	Mutation(s): 0
Find proteins for Q10344 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore Q10344  Go to UniProtKB:  Q10344

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 100 
• Conformers Submitted: 1 
• Selection Criteria: LOWEST ENERGY 
• OLDERADO: 1H6Q Olderado

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2001-06-20 
• Released Date: 2001-08-09 
Deposition Author(s): Thaw, P., Baxter, N.J., Sedelnikova, S.E., Price, C., Waltho, J.P., Craven, C.J.

Revision History  

• Version 1.0: 2001-08-09
  Type: Initial release
  
• Version 1.1: 2011-05-08
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2018-01-17
  Changes: Database references