1orj: Difference between revisions

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Revision as of 14:14, 20 March 2008

File:1orj.gif

, resolution 2.25Å

Gene:

FliS (Aquifex aeolicus VF5)

Coordinates:

save as pdb, mmCIF, xml

FLAGELLAR EXPORT CHAPERONE

OverviewOverview

Assembly of the bacterial flagellum and type III secretion in pathogenic bacteria require cytosolic export chaperones that interact with mobile components to facilitate their secretion. Although their amino acid sequences are not conserved, the structures of several type III secretion chaperones revealed striking similarities between their folds and modes of substrate recognition. Here, we report the first crystallographic structure of a flagellar export chaperone, Aquifex aeolicus FliS. FliS adopts a novel fold that is clearly distinct from those of the type III secretion chaperones, indicating that they do not share a common evolutionary origin. However, the structure of FliS in complex with a fragment of FliC (flagellin) reveals that, like the type III secretion chaperones, flagellar export chaperones bind their target proteins in extended conformation and suggests that this mode of recognition may be widely used in bacteria.

About this StructureAbout this Structure

1ORJ is a Single protein structure of sequence from Aquifex aeolicus vf5. Full crystallographic information is available from OCA.

ReferenceReference

Similar modes of polypeptide recognition by export chaperones in flagellar biosynthesis and type III secretion., Evdokimov AG, Phan J, Tropea JE, Routzahn KM, Peters HK, Pokross M, Waugh DS, Nat Struct Biol. 2003 Oct;10(10):789-93. Epub 2003 Sep 7. PMID:12958592

Page seeded by OCA on Thu Mar 20 13:14:40 2008

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

OCA

@@ Line 1: / Line 1: @@
-[[Image:1orj.gif|left|200px]]<br /><applet load="1orj" size="350" color="white" frame="true" align="right" spinBox="true"
+[[Image:1orj.gif|left|200px]]
-caption="1orj, resolution 2.25&Aring;" />
-'''FLAGELLAR EXPORT CHAPERONE'''<br />
+ {{Structure
+|PDB= 1orj |SIZE=350|CAPTION= <scene name='initialview01'>1orj</scene>, resolution 2.25&Aring;
+|SITE=
+|LIGAND=
+|ACTIVITY=
+|GENE= FliS ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=224324 Aquifex aeolicus VF5])
+}}
+'''FLAGELLAR EXPORT CHAPERONE'''
 ==Overview==
@@ Line 7: / Line 16: @@
 ==About this Structure==
-ORJ is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Aquifex_aeolicus_vf5 Aquifex aeolicus vf5]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ORJ OCA].
+ORJ is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Aquifex_aeolicus_vf5 Aquifex aeolicus vf5]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ORJ OCA].
 ==Reference==
-Similar modes of polypeptide recognition by export chaperones in flagellar biosynthesis and type III secretion., Evdokimov AG, Phan J, Tropea JE, Routzahn KM, Peters HK, Pokross M, Waugh DS, Nat Struct Biol. 2003 Oct;10(10):789-93. Epub 2003 Sep 7. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=12958592 12958592]
+Similar modes of polypeptide recognition by export chaperones in flagellar biosynthesis and type III secretion., Evdokimov AG, Phan J, Tropea JE, Routzahn KM, Peters HK, Pokross M, Waugh DS, Nat Struct Biol. 2003 Oct;10(10):789-93. Epub 2003 Sep 7. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/12958592 12958592]
 [[Category: Aquifex aeolicus vf5]]
 [[Category: Single protein]]
@@ Line 26: / Line 35: @@
 [[Category: four helix bundle]]
-''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 14:20:45 2008''
+''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 13:14:40 2008''