ECHS1(Enoyl-CoA Hydratase Short Chain 1)是一种编码短链烯酰辅酶A水合酶的基因,属于短链脱氢酶/还原酶(SDR)超家族。该基因位于人类10号染色体上(10q26.3),其表达产物是一种线粒体酶,主要参与脂肪酸β-氧化代谢途径,负责催化短链脂肪酸代谢中烯酰辅酶A水合为3-羟基酰基辅酶A的反应。ECHS1在能量代谢中起关键作用,尤其在心脏、肝脏和肌肉等高能量需求组织中表达较高。该基因突变可导致ECHS1缺乏症,这是一种罕见的常染色体隐性遗传病,表现为代谢紊乱、发育迟缓、神经系统异常(如肌张力低下、癫痫)和乳酸酸中毒等症状。某些突变(如c.5A>G)会显著降低酶活性,影响脂肪酸代谢。ECHS1还与某些癌症相关,在肝癌中可能作为抑癌基因发挥作用。过表达ECHS1可能增强脂肪酸氧化能力,改善代谢效率,但异常高表达可能与某些肿瘤发生相关;而表达降低则会导致脂肪酸代谢障碍,引起有毒代谢物积累(如甲基巴豆酰甘氨酸),进而影响线粒体功能。ECHS1属于短链烯酰辅酶A水合酶家族,该家族成员均含有保守的"hotdog-fold"结构域,具有相似的底物特异性,主要参与脂代谢。研究表明ECHS1还与支链氨基酸代谢有关,其功能障碍会影响亮氨酸代谢途径。由于其在能量代谢中的核心作用,ECHS1被认为是代谢性疾病和线粒体疾病的潜在治疗靶点。
The protein encoded by this gene functions in the second step of the mitochondrial fatty acid beta-oxidation pathway. It catalyzes the hydration of 2-trans-enoyl-coenzyme A (CoA) intermediates to L-3-hydroxyacyl-CoAs. The gene product is a member of the hydratase/isomerase superfamily. It localizes to the mitochondrial matrix. Transcript variants utilizing alternative transcription initiation sites have been described in the literature. [provided by RefSeq, Jul 2008]
在线粒体脂肪酸β-氧化途径的第二个步骤由该基因的功能进行编码的蛋白质。它催化的2-反烯酰 - 辅酶A(辅酶A)的中间体到L-3-羟基辅酶A水合。基因产物是水合酶/异构酶家族的成员。它定位于线粒体基质。利用替代转录起始位点的转录变体在文献中已有描述。 [由RefSeq的,2008年7月提供]
ECHS1基因(以及对应的蛋白质)的细胞分布位置:
ECHS1基因的本体(GO)信息:
| 名称 |
|---|
| 1200 Carbon metabolism [PATH:hsa01200] |
| 1212 Fatty acid metabolism [PATH:hsa01212] |
| 640 Propanoate metabolism [PATH:hsa00640] |
| 650 Butanoate metabolism [PATH:hsa00650] |
| 62 Fatty acid elongation [PATH:hsa00062] |
| 71 Fatty acid degradation [PATH:hsa00071] |
| 280 Valine |
| 310 Lysine degradation [PATH:hsa00310] |
| 380 Tryptophan metabolism [PATH:hsa00380] |
| 410 beta-Alanine metabolism [PATH:hsa00410] |
| 名称 |
|---|
| Beta oxidation of butanoyl-CoA to acetyl-CoA |
| Beta oxidation of decanoyl-CoA to octanoyl-CoA-CoA |
| Beta oxidation of hexanoyl-CoA to butanoyl-CoA |
| Beta oxidation of lauroyl-CoA to decanoyl-CoA-CoA |
| Beta oxidation of octanoyl-CoA to hexanoyl-CoA |
| Fatty acid, triacylglycerol, and ketone body metabolism |
| Metabolism |
| Metabolism of lipids and lipoproteins |
| Mitochondrial Fatty Acid Beta-Oxidation |
| mitochondrial fatty acid beta-oxidation of saturated fatty acids |
| 疾病名称 | 关系值 | NofPmids | NofSnps | 来源 |
| Leigh Disease | 0.120814326 | 3 | 2 | BeFree_CLINVAR |
| Stomach Neoplasms | 0.12 | 1 | 0 | CTD_human |
| Obesity | 0.12 | 1 | 0 | CTD_human |
| Glioblastoma | 0.002995792 | 1 | 0 | BeFree_LHGDN |
| Liver carcinoma | 0.001085767 | 4 | 0 | BeFree |
| Hepatitis | 0.000271442 | 1 | 0 | BeFree |
| Hepatitis A | 0.000271442 | 1 | 0 | BeFree |
| Mitochondrial Respiratory Chain Deficiencies | 0.000271442 | 1 | 0 | BeFree |
| Malignant neoplasm of breast | 0.000271442 | 1 | 0 | BeFree |
| Colorectal Cancer | 0.000271442 | 1 | 0 | BeFree |
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