1XWD

Crystal Structure of Human Follicle Stimulating Hormone Complexed with its Receptor


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.92 Å
  • R-Value Free: 0.259 
  • R-Value Work: 0.219 
  • R-Value Observed: 0.221 

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Literature

Structure of human follicle-stimulating hormone in complex with its receptor.

Fan, Q.R.Hendrickson, W.A.

(2005) Nature 433: 269-277

  • DOI: 10.1038/nature03206
  • Primary Citation of Related Structures:  
    1XWD

  • PubMed Abstract: 
  • Follicle-stimulating hormone (FSH) is central to reproduction in mammals. It acts through a G-protein-coupled receptor on the surface of target cells to stimulate testicular and ovarian functions. We present here the 2.9-A-resolution structure of a parti ...

    Follicle-stimulating hormone (FSH) is central to reproduction in mammals. It acts through a G-protein-coupled receptor on the surface of target cells to stimulate testicular and ovarian functions. We present here the 2.9-A-resolution structure of a partially deglycosylated complex of human FSH bound to the extracellular hormone-binding domain of its receptor (FSHR(HB)). The hormone is bound in a hand-clasp fashion to an elongated, curved receptor. The buried interface of the complex is large (2,600 A2) and has a high charge density. Our analysis suggests that all glycoprotein hormones bind to their receptors in this mode and that binding specificity is mediated by key interaction sites involving both the common alpha- and hormone-specific beta-subunits. On binding, FSH undergoes a concerted conformational change that affects protruding loops implicated in receptor activation. The FSH-FSHR(HB) complexes form dimers in the crystal and at high concentrations in solution. Such dimers may participate in transmembrane signal transduction.


    Organizational Affiliation

    Department of Biochemistry and Molecular Biophysics, Columbia University, New York, New York 10032, USA.



Macromolecules
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Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Glycoprotein hormones alpha chain AD92Homo sapiensMutation(s): 0 
Gene Names: CGA
Find proteins for P01215 (Homo sapiens)
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PHAROS:  P01215
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  • Reference Sequence
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Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
Follitropin beta chain BE111Homo sapiensMutation(s): 0 
Gene Names: FSHB
Find proteins for P01225 (Homo sapiens)
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PHAROS:  P01225
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  • Reference Sequence
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Entity ID: 3
MoleculeChainsSequence LengthOrganismDetailsImage
Follicle stimulating hormone receptor CF252Homo sapiensMutation(s): 0 
Gene Names: FSHRLGR1
Find proteins for P23945 (Homo sapiens)
Explore P23945 
Go to UniProtKB:  P23945
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PHAROS:  P23945
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  • Reference Sequence
Oligosaccharides

Help

Entity ID: 4
MoleculeChainsChain Length2D Diagram Glycosylation3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
G
2 N-Glycosylation Oligosaccharides Interaction
Entity ID: 5
MoleculeChainsChain Length2D Diagram Glycosylation3D Interactions
beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
H
3 N-Glycosylation Oligosaccharides Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.92 Å
  • R-Value Free: 0.259 
  • R-Value Work: 0.219 
  • R-Value Observed: 0.221 
  • Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 121.33α = 90
b = 66.938β = 99.13
c = 148.629γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing

Structure Validation

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Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2005-01-25
    Type: Initial release
  • Version 1.1: 2008-04-30
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Advisory, Version format compliance
  • Version 2.0: 2020-07-29
    Type: Remediation
    Reason: Carbohydrate remediation
    Changes: Advisory, Atomic model, Data collection, Derived calculations, Structure summary