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3ng1

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Revision as of 13:19, 16 January 2019

N AND GTPASE DOMAINS OF THE SIGNAL SEQUENCE RECOGNITION PROTEIN FFH FROM THERMUS AQUATICUS

Structural highlights

3ng1 is a 2 chain structure with sequence from Atcc 25104. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:	, ,
Related:	1ffh, 1ng1, 2ng1
Gene:	FFH (ATCC 25104)
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

[SRP54_THEAQ] Involved in targeting and insertion of nascent membrane proteins into the cytoplasmic membrane. Binds to the hydrophobic signal sequence of the ribosome-nascent chain (RNC) as it emerges from the ribosomes. The SRP-RNC complex is then targeted to the cytoplasmic membrane where it interacts with the SRP receptor FtsY (By similarity).[HAMAP-Rule:MF_00306]

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

Publication Abstract from PubMed

Ffh is a component of a bacterial ribonucleoprotein complex homologous to the signal recognition particle (SRP) of eukaryotes. It comprises three domains that mediate both binding to the hydrophobic signal sequence of the nascent polypeptide and the GTP-dependent interaction of Ffh with a structurally homologous GTPase of the SRP receptor. The X-ray structures of the two-domain 'NG' GTPase of Ffh in complex with Mg2+GDP and GDP have been determined at 2.0 A resolution. The structures explain the low nucleotide affinity of Ffh and locate two regions of structural mobility at opposite sides of the nucleotide-binding site. One of these regions includes highly conserved sequence motifs that presumably contribute to the structural trigger signaling the GTP-bound state. The other includes the highly conserved interface between the N and G domains, and supports the hypothesis that the N domain regulates or signals the nucleotide occupancy of the G domain.

Functional changes in the structure of the SRP GTPase on binding GDP and Mg2+GDP.,Freymann DM, Keenan RJ, Stroud RM, Walter P Nat Struct Biol. 1999 Aug;6(8):793-801. PMID:10426959^[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

References

↑ Freymann DM, Keenan RJ, Stroud RM, Walter P. Functional changes in the structure of the SRP GTPase on binding GDP and Mg2+GDP. Nat Struct Biol. 1999 Aug;6(8):793-801. PMID:10426959 doi:10.1038/11572

1 Structural highlights
2 Function
3 Evolutionary Conservation
4 Publication Abstract from PubMed
5 See Also
6 References

Proteopedia Page Contributors and Editors (what is this?)

OCA

Retrieved from "http://52.214.119.220/wiki/index.php/3ng1"

@@ Line 1: / Line 1: @@
 ==N AND GTPASE DOMAINS OF THE SIGNAL SEQUENCE RECOGNITION PROTEIN FFH FROM THERMUS AQUATICUS==
 <StructureSection load='3ng1' size='340' side='right' caption='[[3ng1]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
@@ Line 6: / Line 7: @@
 <tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1ffh|1ffh]], [[1ng1|1ng1]], [[2ng1|2ng1]]</td></tr>
 <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">FFH ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=271 ATCC 25104])</td></tr>
-<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3ng1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3ng1 OCA], [http://pdbe.org/3ng1 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3ng1 RCSB], [http://www.ebi.ac.uk/pdbsum/3ng1 PDBsum]</span></td></tr>
+<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3ng1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3ng1 OCA], [http://pdbe.org/3ng1 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3ng1 RCSB], [http://www.ebi.ac.uk/pdbsum/3ng1 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=3ng1 ProSAT]</span></td></tr>
 </table>
 == Function ==
@@ Line 14: / Line 15: @@
 Check<jmol>
   <jmolCheckbox>
-    <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ng/3ng1_consurf.spt"</scriptWhenChecked>
+    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ng/3ng1_consurf.spt"</scriptWhenChecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
     <text>to colour the structure by Evolutionary Conservation</text>

3ng1

From Proteopedia

Revision as of 13:19, 16 January 2019

N AND GTPASE DOMAINS OF THE SIGNAL SEQUENCE RECOGNITION PROTEIN FFH FROM THERMUS AQUATICUS

Structural highlights

Function

Evolutionary Conservation

Publication Abstract from PubMed

See Also

References

Contents

Proteopedia Page Contributors and Editors (what is this?)

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