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在色谱分析、有机合成和交叉偶联反应领域已被 0 篇同行评审文献引用。
支链氨基酸转氨酶（BCAT，EC 2.6.1.42）是以磷酸吡哆醛为辅酶的Ⅳ类转氨酶，广泛存在于原核和真核生物中。BCAT催化支链氨基酸氨基转移至α-酮戊二酸，生成支链α-酮酸和谷氨酸；谷氨酸经特异性酶复合体分解，同时与显色剂反应生成450 nm处有最大吸收峰的黄色产物，通过检测其生成速率即可定量BCAT活力。
Branched-chain amino acid aminotransferase (BCAT, EC 2.6.1.42) is a class IV aminotransferase that utilizes pyridoxal phosphate as a coenzyme. It is widely distributed in both prokaryotes and eukaryotes. BCAT catalyzes the transfer of amino groups from branched-chain amino acids to α‑ketoglutarate, producing branched-chain α‑keto acids and glutamate. The generated glutamate is subsequently decomposed by a specific enzyme complex, and the reaction is coupled to a chromogenic reagent to yield a yellow product with a maximum absorption peak at 450 nm. BCAT activity can be quantitatively determined by measuring the rate of formation of this yellow product.
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