1aro: Difference between revisions

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[[Image:1aro.jpg|left|200px]]
{{Seed}}
[[Image:1aro.png|left|200px]]


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{{STRUCTURE_1aro|  PDB=1aro  |  SCENE=  }}  
{{STRUCTURE_1aro|  PDB=1aro  |  SCENE=  }}  


'''T7 RNA POLYMERASE COMPLEXED WITH T7 LYSOZYME'''
===T7 RNA POLYMERASE COMPLEXED WITH T7 LYSOZYME===




==Overview==
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The T7 RNA polymerase-T7 lysozyme complex regulates phage gene expression during infection of Escherichia coli. The 2.8 A crystal structure of the complex reveals that lysozyme binds at a site remote from the polymerase active site, suggesting an indirect mechanism of inhibition. Comparison of the T7 RNA polymerase structure with that of the homologous pol I family of DNA polymerases reveals identities in the catalytic site but also differences specific to RNA polymerase function. The structure of T7 RNA polymerase presented here differs significantly from a previously published structure. Sequence similarities between phage RNA polymerases and those from mitochondria and chloroplasts, when interpreted in the context of our revised model of T7 RNA polymerase, suggest a conserved fold.
The line below this paragraph, {{ABSTRACT_PUBMED_9670025}}, adds the Publication Abstract to the page
(as it appears on PubMed at http://www.pubmed.gov), where 9670025 is the PubMed ID number.
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{{ABSTRACT_PUBMED_9670025}}


==About this Structure==
==About this Structure==
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[[Category: Hydrolase]]
[[Category: Hydrolase]]
[[Category: Transcription]]
[[Category: Transcription]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May  2 10:37:32 2008''
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jun 30 17:28:44 2008''