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Title: Molecular modeling of 2-nitropropane dioxygenase domain of Mycobacterium tuberculosis H37Rv and docking of herbal ligands
Authors: Ramesh, K V
Akhila, B N
Deshmukh, Sudha
Keywords: DOCK;Enoyl reductase domain;Fatty acid synthase;2-Nitropropane dioxygenase;SWISS MODEL;Mycobacterium tuberculosis H37Rv
Issue Date: Jun-2011
Publisher: NISCAIR-CSIR, India
Abstract: The 3D structure of enoyl reductase (ER) domain generated by the SWISS MODEL server contains the 2-nitropropane dioxygenase (2NPD) structure displaying the TIM barrel fold. Though TIM barrel fold is made up of both main and inserted domains, in our study, we could only predict the structure of the main domain, which had central barrel of eight β-strands surrounded by eight α-helices. Superimposition of the 2NPD region of ER domain of Mycobacterium tuberculosis H37Rv on to the corresponding region of 2UVA_G revealed a good structural alignment between the two, suggesting this template to be a good structural homologue. Among various herbal ligands that were screened as inhibitors, daucosterol was found to bind in closest proximity to the flavin mono nucleotide (FMN) binding site with the lowest docking energy.
Page(s): 164-169
ISSN: 0975-0959 (Online); 0301-1208 (Print)
Appears in Collections:IJBB Vol.48(3) [June 2011]

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