1B6C

CRYSTAL STRUCTURE OF THE CYTOPLASMIC DOMAIN OF THE TYPE I TGF-BETA RECEPTOR IN COMPLEX WITH FKBP12

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.60 Å
  • R-Value Free: 0.269 
  • R-Value Work: 0.249 
  • R-Value Observed: 0.249 

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This is version 1.2 of the entry. See complete history. 


Literature

Crystal structure of the cytoplasmic domain of the type I TGF beta receptor in complex with FKBP12.

Huse, M., Chen, Y.G., Massague, J., Kuriyan, J.

(1999) Cell 96: 425-436

  • DOI: 10.1016/s0092-8674(00)80555-3
  • Primary Citation of Related Structures:  
    1B6C

  • PubMed Abstract: 

    • Activation of the type I TGFbeta receptor (TbetaR-I) requires phosphorylation of a regulatory segment known as the GS region, located upstream of the serine/threonine kinase domain in the cytoplasmic portion of the receptor. The crystal structure of a fr ...

    Activation of the type I TGFbeta receptor (TbetaR-I) requires phosphorylation of a regulatory segment known as the GS region, located upstream of the serine/threonine kinase domain in the cytoplasmic portion of the receptor. The crystal structure of a fragment of unphosphorylated TbetaR-I, containing both the GS region and the catalytic domain, has been determined in complex with the FK506-binding protein FKBP12. TbetaR-I adopts an inactive conformation that is maintained by the unphosphorylated GS region. FKBP12 binds to the GS region of the receptor, capping the TbetaR-II phosphorylation sites and further stabilizing the inactive conformation of TbetaR-I. Certain structural features at the catalytic center of TbetaR-I are characteristic of tyrosine kinases rather than Ser/Thr kinases.

    Organizational Affiliation: 

    Laboratories of Molecular Biophysics, Rockefeller University, New York, New York 10021, USA.



Macromolecules
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(by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
FK506-BINDING PROTEIN A, C, E, G107Homo sapiensMutation(s): 0 
Gene Names: FKBP1A, FKBP1, FKBP12
EC: 5.2.1.8
Find proteins for P62942 (Homo sapiens)
Explore P62942 
Go to UniProtKB:  P62942
NIH Common Fund Data Resources
PHAROS:  P62942
GTEx:  ENSG00000088832
Protein Feature View
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  • Reference Sequence
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(by identity cutoff)  |  Structure
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
TGF-B SUPERFAMILY RECEPTOR TYPE I B, D, F, H342Homo sapiensMutation(s): 0 
Gene Names: TGFBR1, ALK5, SKR4
EC: 2.7.1.37 (PDB Primary Data), 2.7.11.30 (UniProt)
Find proteins for P36897 (Homo sapiens)
Explore P36897 
Go to UniProtKB:  P36897
NIH Common Fund Data Resources
PHAROS:  P36897
GTEx:  ENSG00000106799
Protein Feature View
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  • Reference Sequence
Small Molecules
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.60 Å
  • R-Value Free: 0.269 
  • R-Value Work: 0.249 
  • R-Value Observed: 0.249 
  • Space Group: P 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 75.58α = 86.23
b = 81.06β = 81.86
c = 90.53γ = 63.92
Software Package:
Software NamePurpose
CCP4model building
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling
CCP4phasing

Structure Validation

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Entry History 

Deposition Data

Revision History 

  • Version 1.0: 1999-06-15
    Type: Initial release
  • Version 1.1: 2008-03-24
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance