2c9d

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[[Image:2c9d.jpg|left|200px]]
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{{STRUCTURE_2c9d| PDB=2c9d | SCENE= }}
{{STRUCTURE_2c9d| PDB=2c9d | SCENE= }}
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'''LUMAZINE SYNTHASE FROM MYCOBACTERIUM TUBERCULOSIS BOUND TO 3-(1,3,7-TRIHYDRO-9-D-RIBITYL-2,6,8-PURINETRIONE-7-YL) HEXANE 1-PHOSPHATE'''
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===LUMAZINE SYNTHASE FROM MYCOBACTERIUM TUBERCULOSIS BOUND TO 3-(1,3,7-TRIHYDRO-9-D-RIBITYL-2,6,8-PURINETRIONE-7-YL) HEXANE 1-PHOSPHATE===
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==Overview==
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Recently published genomic investigations of the human pathogen Mycobacterium tuberculosis have revealed that genes coding the proteins involved in riboflavin biosynthesis are essential for the growth of the organism. Because the enzymes involved in cofactor biosynthesis pathways are not present in humans, they appear to be promising candidates for the development of therapeutic drugs. The substituted purinetrione compounds have demonstrated high affinity and specificity to lumazine synthase, which catalyzes the penultimate step of riboflavin biosynthesis in bacteria and plants. The structure of M. tuberculosis lumazine synthase in complex with five different inhibitor compounds is presented, together with studies of the binding reactions by isothermal titration calorimetry. The inhibitors showed the association constants in the micromolar range. The analysis of the structures demonstrated the specific features of the binding of different inhibitors. The comparison of the structures and binding modes of five different inhibitors allows us to propose the ribitylpurinetrione compounds with C4-C5 alkylphosphate chains as most promising leads for further development of therapeutic drugs against M. tuberculosis.
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(as it appears on PubMed at http://www.pubmed.gov), where 16984393 is the PubMed ID number.
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{{ABSTRACT_PUBMED_16984393}}
==About this Structure==
==About this Structure==
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[[Category: Morgunova, E.]]
[[Category: Morgunova, E.]]
[[Category: Transferase,riboflavin biosynthesis,mycobacterium tuberculosis,lumazine synthase,inhibitor binding]]
[[Category: Transferase,riboflavin biosynthesis,mycobacterium tuberculosis,lumazine synthase,inhibitor binding]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 21:29:37 2008''

Revision as of 18:29, 28 July 2008

Image:2c9d.png

Template:STRUCTURE 2c9d

LUMAZINE SYNTHASE FROM MYCOBACTERIUM TUBERCULOSIS BOUND TO 3-(1,3,7-TRIHYDRO-9-D-RIBITYL-2,6,8-PURINETRIONE-7-YL) HEXANE 1-PHOSPHATE

Template:ABSTRACT PUBMED 16984393

About this Structure

2C9D is a Single protein structure of sequence from Mycobacterium tuberculosis. Full crystallographic information is available from OCA.

Reference

Structural and thermodynamic insights into the binding mode of five novel inhibitors of lumazine synthase from Mycobacterium tuberculosis., Morgunova E, Illarionov B, Sambaiah T, Haase I, Bacher A, Cushman M, Fischer M, Ladenstein R, FEBS J. 2006 Oct;273(20):4790-804. Epub 2006 Sep 19. PMID:16984393

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