- EMDB-45956: Cryo-EM structure of the Carboxyltransferase Domain of Trichoplus... -
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基本情報
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データベース: EMDB / ID: EMD-45956
タイトル
Cryo-EM structure of the Carboxyltransferase Domain of Trichoplusia ni Acetyl-Coenzyme A Carboxylase
マップデータ
cryo-EM map of the Carboxyltransferase Domain of Trichoplusia ni Acetyl-Coenzyme A Carboxylase
試料
複合体: Trichoplusia ni Acetyl-Coenzyme A Carboxylase
タンパク質・ペプチド: Acetyl-CoA carboxylase
キーワード
Trichoplusia ni / Carboxyltransferase Domain / Acetyl-Coenzyme A Carboxylase / Cryo-EM / Pest Control / TRANSFERASE
機能・相同性
機能・相同性情報
malonyl-CoA biosynthetic process / acetyl-CoA carboxylase activity / fatty acid biosynthetic process / mitochondrion / ATP binding / metal ion binding 類似検索 - 分子機能
ジャーナル: J Biol Chem / 年: 2024 タイトル: Structure of the endogenous insect acetyl-coA carboxylase carboxyltransferase domain. 著者: Dong Wang / Fan Bu / Ge Yang / Hannah Brenke / Bin Liu / 要旨: Acetyl-coenzyme A carboxylases (ACCs) are pivotal in fatty acid metabolism, converting acetyl-CoA to malonyl-CoA. While ACCs in humans, plants, and microbes have been extensively studied, insect ...Acetyl-coenzyme A carboxylases (ACCs) are pivotal in fatty acid metabolism, converting acetyl-CoA to malonyl-CoA. While ACCs in humans, plants, and microbes have been extensively studied, insect ACCs, crucial for lipid biosynthesis and physiological processes, remain relatively unexplored. Unlike mammals, which have ACC1 and ACC2 in different tissues, insects possess a single ACC gene, underscoring its unique role in their metabolism. Noctuid moths, such as Trichoplusia ni, are major agricultural pests causing significant crop damage and economic loss. Their resistance to both biological and synthetic insecticides complicates pest control. Recent research has introduced cyclic ketoenols as novel insecticides targeting ACCs, yet structural information to guide their design is limited. Here, we present a 3.12 Å cryo-EM structure of the carboxyltransferase (CT) domain of T. ni ACC, offering the first detailed structural insights into insect ACCs. Our structural comparisons with ACC CT domains from other species and analyses of drug-binding sites can guide future drug modification and design. Notably, unique interactions between the CT and the central domain in T. ni ACC provide new directions for studying the ACC holoenzyme. These findings contribute valuable information for pest control and a basic biological understanding of lipid biosynthesis.