【摘 要】
：
The enzymes of the acyl-coenzyme A:cholesterol acyltransferase (ACAT) family are responsible for the in vivo synthesis of neutral lipids.They are potential drug
【机 构】
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Institute of Protein Research,College of Life Science and Technology,Tongji University,Shanghai 2000
论文部分内容阅读
The enzymes of the acyl-coenzyme A:cholesterol acyltransferase (ACAT) family are responsible for the in vivo synthesis of neutral lipids.They are potential drug targets for the intervention of atherosclerosis,hyperlipidemia,obesity,type Ⅱ diabetes and even Alzheimer’s disease.ACAT family enzymes are integral endoplasmic reticulum (ER) membrane proteins and can be divided into ACAT branch and acyl-coenzyme A:diacylglycerol acyltransferase 1 (DGATI) branch according to their substrate specificity.The ACAT branch catalyzes synthesis of cholesteryl esters using long-chain fatty acyl-coenzyme A and cholesterol as substrates,while the DGAT1 branch catalyzes synthesis of triacylglycerols using fatty acylcoenzyme A and diacylglycerol as substrates.In this review,we mainly focus on the recent progress in the structural research of ACAT family enzymes,including their disulfide linkage,membrane topology,subunit interaction and catalysis mechanism.
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