1m4d: Difference between revisions

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[[Image:1m4d.jpg|left|200px]]
{{Seed}}
[[Image:1m4d.png|left|200px]]


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{{STRUCTURE_1m4d|  PDB=1m4d  |  SCENE=  }}  
{{STRUCTURE_1m4d|  PDB=1m4d  |  SCENE=  }}  


'''Aminoglycoside 2'-N-acetyltransferase from Mycobacterium tuberculosis-Complex with Coenzyme A and Tobramycin'''
===Aminoglycoside 2'-N-acetyltransferase from Mycobacterium tuberculosis-Complex with Coenzyme A and Tobramycin===




==Overview==
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AAC(2')-Ic catalyzes the coenzyme A (CoA)-dependent acetylation of the 2' hydroxyl or amino group of a broad spectrum of aminoglycosides. The crystal structure of the AAC(2')-Ic from Mycobacterium tuberculosis has been determined in the apo enzyme form and in ternary complexes with CoA and either tobramycin, kanamycin A or ribostamycin, representing the first structures of an aminoglycoside acetyltransferase bound to a drug. The overall fold of AAC(2')-Ic places it in the GCN5-related N-acetyltransferase (GNAT) superfamily. Although the physiological function of AAC(2')-Ic is uncertain, a structural analysis of these high-affinity aminoglycoside complexes suggests that the enzyme may acetylate a key biosynthetic intermediate of mycothiol, the major reducing agent in mycobacteria, and participate in the regulation of cellular redox potential.
The line below this paragraph, {{ABSTRACT_PUBMED_12161746}}, adds the Publication Abstract to the page
(as it appears on PubMed at http://www.pubmed.gov), where 12161746 is the PubMed ID number.
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{{ABSTRACT_PUBMED_12161746}}


==About this Structure==
==About this Structure==
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[[Category: Vetting, M W.]]
[[Category: Vetting, M W.]]
[[Category: Coa binding motif]]
[[Category: Coa binding motif]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 00:36:56 2008''
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Jul 2 23:11:01 2008''

Revision as of 20:11, 2 July 2008

Template:STRUCTURE 1m4d

Aminoglycoside 2'-N-acetyltransferase from Mycobacterium tuberculosis-Complex with Coenzyme A and Tobramycin

Template:ABSTRACT PUBMED 12161746

About this Structure

1M4D is a Single protein structure of sequence from Mycobacterium tuberculosis. Full crystallographic information is available from OCA.

Reference

Aminoglycoside 2'-N-acetyltransferase from Mycobacterium tuberculosis in complex with coenzyme A and aminoglycoside substrates., Vetting MW, Hegde SS, Javid-Majd F, Blanchard JS, Roderick SL, Nat Struct Biol. 2002 Sep;9(9):653-8. PMID:12161746

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