Sandbox Reserved 321: Difference between revisions

From Proteopedia
Jump to navigationJump to search
No edit summary
No edit summary
Line 45: Line 45:
=Function in th Mycolic Acid Pathway=
=Function in th Mycolic Acid Pathway=


[[Image:Pathway.png|thumb|right|upright=2|alt=Proposed mechanism.|Formulated mechanism of Mycolic acid synthesis as proposed by  Wilson et al.<ref name ="Drug Induced Alterations">PMID:10536008</ref>.]]   
[[Image:Pathway2.png|thumb|right|upright=2|alt=Proposed mechanism.|Formulated mechanism of Mycolic acid synthesis as proposed by  Wilson et al.<ref name ="Drug Induced Alterations">PMID:10536008</ref>.]]   


InhA plays a key role in the synthesis of fatty acids, particularly in ''M. tuberculosis'' which has type one fatty acid synthesis (FASI) and type two fatty acid synthesis (FASII) which together funtion in the synthesis of mycolic acids<ref name ="Function of M Tb">PMID:18552191</ref>.  FASI synthesizes C16-18 and C24-26 fatty acids these are then sent to FASII promotes chain extention, forming long-chain meromycolic acids that are 56-64 carbons in length<ref name ="Fatty Acid Synthesis">PMID:18804030</ref>.  The final step in FASII is compleated by InhA which reduces 2-trans-enoyl-ACP's with chain lengths over twelve carbons in a NADP dependent manner where the hydride transfer precedes protonation<ref name ="Function of M Tb"/><ref name ="Roles of T158">PMID:10521269</ref>.  The meromycolic acids undergo Claisen Condensation with a C26 fatty acid followed by reduction to a mature mycolic acid<ref name ="Fatty Acid Synthesis"/>.   
InhA plays a key role in the synthesis of fatty acids, particularly in ''M. tuberculosis'' which has type one fatty acid synthesis (FASI) and type two fatty acid synthesis (FASII) which together funtion in the synthesis of mycolic acids<ref name ="Function of M Tb">PMID:18552191</ref>.  FASI synthesizes C16-18 and C24-26 fatty acids these are then sent to FASII promotes chain extention, forming long-chain meromycolic acids that are 56-64 carbons in length<ref name ="Fatty Acid Synthesis">PMID:18804030</ref>.  The final step in FASII is compleated by InhA which reduces 2-trans-enoyl-ACP's with chain lengths over twelve carbons in a NADP dependent manner where the hydride transfer precedes protonation<ref name ="Function of M Tb"/><ref name ="Roles of T158">PMID:10521269</ref>.  The meromycolic acids undergo Claisen Condensation with a C26 fatty acid followed by reduction to a mature mycolic acid<ref name ="Fatty Acid Synthesis"/>.