Signal recognition particle receptor: Difference between revisions

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<Structure load='2fh5' size='400' frame='true' align='right' caption='Human SRPR α (grey) and β subunit (green) complex with GTP and Mg+2 (green) ion [[2fh5]]' scene= />
<StructureSection load='' size='350' side='right' scene='48/485587/Cv/1' caption='Human SRPR α (magenta) and β subunit (deepskyblue) complex with GTP and Mg+2 (green) ion [[2fh5]]'>
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'''Signal recognition particle receptor''' (SRPR) is associated with the endoplasmic reticulum.  SRPR is a receptor for the [[Signal recognition particle protein|signal recognition particle (SRP)]].  SRPR is a heterodimer with α and β subunits which contain a GTP-binding domain.  SRPR α subunit binds to SRP54 subunit of SRP complex.  SRPR β subunit is a transmembrane GTPase.  The bacterial SRPR is called FtsY.


==3D structures of SRPR==
'''Signal recognition particle receptor''' (SRPR) is associated with the endoplasmic reticulum.  SRPR is a receptor for the [[Signal recognition particle protein|signal recognition particle (SRP)]].  SRPR is a heterodimer with α and β subunits which contain a GTP-binding domain.  SRPR α subunit binds to SRP54 subunit of SRP complex.  SRPR β subunit is a transmembrane GTPase.  The bacterial SRPR is called '''FtsY'''.


Updated on {{REVISIONDAY2}}-{{MONTHNAME|{{REVISIONMONTH}}}}-{{REVISIONYEAR}}
See also [[Intracellular receptors]]


[[1nrj]] – ySRPR α+β subunits + GTP – yeast<br />
*<scene name='48/485587/Cv/6'>GTP binding site</scene>. Water molecules are shown as red spheres.
[[2fh5]] - hSRPR α+β subunits + GTP – human<br />
*<scene name='48/485587/Cv/7'>Mg coordination site</scene>.
[[2ged]] - ySRPR β subunit (mutant)<br />
[[2go5]] - hSRPR α subunit + mSRPR β subunit + ribosomal proteins L23, L31, L35 + dSRP19 + dSRP54 + RNA - EM<br />
[[3dm9]], [[3dmd]], [[3e70 ]]– SRPR + GDP – ''Pyrococcus furiosus''


'''SRPR FtsY'''
==3D structures of signal recognition particle receptor==


[[1zu5]], [[1zu4]] – SRPR FtsY NG domain – ''Mycoplasma mycoides''<br />
[[Signal recognition particle receptor 3D structures]]
[[1vma]] – SRPR FtsY – ''Thermotoga maritima''<br />
[[2yhs]], [[2qy9]], [[1fts]] – EcSRPR FtsY NG domain – ''Escherichia coli''<br />
[[2q9a]] – EcSRPR FtsY <br />
[[2q9c]], [[2q9b]] – EcSRPR FtsY NG domain + GMPPNP<br />
[[2iyl]] – EcSRPR FtsY residues 20-303 + GDP<br />
[[3zn8]], [[2xxa]] – EcSRPR FtsY + signal recognition particle protein + RNA<br />
[[2j7p]], [[1rj9]], [[1okk]] – TaSRPR FtsY NG domain + signal recognition particle protein – ''Thermus aquaticus''<br />
[[2cnw]] – TaSRPR FtsY NG domain + signal recognition particle protein + GDP<br />


</StructureSection>
[[Category:Topic Page]]
[[Category:Topic Page]]

Latest revision as of 13:31, 20 November 2023


Signal recognition particle receptor (SRPR) is associated with the endoplasmic reticulum. SRPR is a receptor for the signal recognition particle (SRP). SRPR is a heterodimer with α and β subunits which contain a GTP-binding domain. SRPR α subunit binds to SRP54 subunit of SRP complex. SRPR β subunit is a transmembrane GTPase. The bacterial SRPR is called FtsY.

See also Intracellular receptors

  • . Water molecules are shown as red spheres.
  • .

3D structures of signal recognition particle receptor

Signal recognition particle receptor 3D structures


Human SRPR α (magenta) and β subunit (deepskyblue) complex with GTP and Mg+2 (green) ion 2fh5

Drag the structure with the mouse to rotate

Proteopedia Page Contributors and Editors (what is this?)Proteopedia Page Contributors and Editors (what is this?)

Michal Harel, Alexander Berchansky, Joel L. Sussman
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