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1tf2

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|PDB= 1tf2 |SIZE=350|CAPTION= <scene name='initialview01'>1tf2</scene>, resolution 2.90&Aring;
|PDB= 1tf2 |SIZE=350|CAPTION= <scene name='initialview01'>1tf2</scene>, resolution 2.90&Aring;
|SITE=
|SITE=
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|LIGAND= <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene> and <scene name='pdbligand=ADP:ADENOSINE-5'-DIPHOSPHATE'>ADP</scene>
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|LIGAND= <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene> and <scene name='pdbligand=ADP:ADENOSINE-5&#39;-DIPHOSPHATE'>ADP</scene>
|ACTIVITY=
|ACTIVITY=
|GENE= SECA, DIV+, BSU35300 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1423 Bacillus subtilis])
|GENE= SECA, DIV+, BSU35300 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1423 Bacillus subtilis])
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[[Category: translocation]]
[[Category: translocation]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 14:17:33 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 23 13:43:56 2008''

Revision as of 11:43, 23 March 2008


PDB ID 1tf2

Drag the structure with the mouse to rotate
, resolution 2.90Å
Ligands: and
Gene: SECA, DIV+, BSU35300 (Bacillus subtilis)
Coordinates: save as pdb, mmCIF, xml



Crystal structure of SecA:ADP in an open conformation from Bacillus Subtilis


Overview

The ATPase SecA mediates the posttranslational translocation of a wide range of polypeptide substrates through the SecY channel in the cytoplasmic membrane of bacteria. We have determined the crystal structure of a monomeric form of Bacillus subtilis SecA at a 2.2-A resolution. A comparison with the previously determined structures of SecA reveals a nucleotide-independent, large conformational change that opens a deep groove similar to that in other proteins that interact with diverse polypeptides. We propose that the open form of SecA represents an activated state.

About this Structure

1TF2 is a Single protein structure of sequence from Bacillus subtilis. Full crystallographic information is available from OCA.

Reference

A large conformational change of the translocation ATPase SecA., Osborne AR, Clemons WM Jr, Rapoport TA, Proc Natl Acad Sci U S A. 2004 Jul 27;101(30):10937-42. Epub 2004 Jul 15. PMID:15256599

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