ML 190 - CAS 1355244-02-8
Category: Inhibitor
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Molecular Weight:
Opioid Receptor
ML 190 is a κ opioid receptor antagonist with IC50 value of 120 nM.
≥98% by HPLC
ML 190; ML190; ML-190; N-[3-[4-(4-Methoxyphenyl)-1-piperazinyl]propyl]-1-methyl-6-oxopyrido[2,3-e]pyrrolo[1,2-a]pyrazine-5(6H)-acetamide
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1.Efficient free fatty acid production from woody biomass hydrolysate using metabolically engineered Escherichia coli.
Wu H;Lee J;Karanjikar M;San KY Bioresour Technol. 2014 Oct;169:119-125. doi: 10.1016/j.biortech.2014.06.092. Epub 2014 Jul 8.
Four engineered Escherichia coli strains, ML103(pXZ18), ML103(pXZ18Z), ML190(pXZ18) and ML190(pXZ18Z), were constructed to investigate free fatty acid production using hydrolysate as carbon source. These strains exhibited efficient fatty acid production when xylose was used as the sole carbon source. For mixed sugars, ML103 based strains utilized glucose and xylose sequentially under the carbon catabolite repression (CCR) regulation, while ML190 based strains, with ptsG mutation, used glucose and xylose simultaneously. The total free fatty acid concentration and yield of the strain ML190(pXZ18Z) based on the mixed sugar reached 3.64 g/L and 24.88%, respectively. Furthermore, when hydrolysate from a commercial plant was used as the carbon source, the strain ML190(pXZ18Z) can produce 3.79 g/L FFAs with a high yield of 21.42%.
2.Simultaneous utilization of glucose and mannose from woody hydrolysate for free fatty acid production by metabolically engineered Escherichia coli.
Wu H;Lee J;Karanjikar M;San KY Bioresour Technol. 2015 Jun;185:431-5. doi: 10.1016/j.biortech.2015.03.007. Epub 2015 Mar 6.
In this study, the Escherichia coli strain MG1655 with fadD mutant (named as ML103), and MG1655 with fadD and ptsG double mutant (named as ML190) carrying the plasmid with the acyl-ACP thioesterase (TE) from Ricinus communis (pXZ18) or the plasmid with the combination of the TE and the native (3R)-hydroxyacyl-ACP dehydrase (fabZ) (pXZ18Z), produced free fatty acids (FFAs) efficiently using mannose as the sole carbon source. Due to the carbon catabolite repression (CCR) regulation, ML103(pXZ18) utilized glucose and mannose sequentially in the mixed sugar culture, while ML190(pXZ18) and ML190(pXZ18Z), with ptsG mutation, used glucose and mannose simultaneously. The highest total FFA concentration from the mixed sugar culture reached 2.96g/L by ML190(pXZ18Z). Furthermore, the strain ML190(pXZ18Z) can produce 2.86g/L FFAs with a high yield of 0.23g/g using hydrolysate mainly contained glucose and mannose from a commercial plant.
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CAS 1355244-02-8 ML 190

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