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1·Cyclo-oxygenase(COX) is the major rate-limiting enzyme for the synthesis of prostaglandins.

环氧化酶（COX）是致炎物质地诺前列酮合成过程中的重要限速酶。

2·GFAT1, glutamine:fructose-6-phosphate aminotransferase 1, is the rate-limiting enzyme of the hexosamine biosynthesis pathway (1).

谷氨酰胺：6-磷酸果糖氨基转移酶1（GFAT1）是已糖胺合成过程中的限速酶（1）。

3·Heme oxygenase which is heme-degradation enzyme and rate-limiting enzyme can catalyzes the degradation of heme to carbon monoxide, catalytic iron and bilirubin.

血红素氧合酶是血红素降解的起始酶和限速酶，能代谢血红素形成一氧化碳、游离铁和胆红素。

4·Cyclooxyenase-2 ( COX-2 ) is the induced subtype of cycloxyenase, which is the rate-limiting enzyme that catalyzes the arachidonic acid synthesizing into prostaglandin.

环氧化酶-2（COX-2）是环氧化酶的诱导型，是催化花生四烯酸合成前列腺素的限速酶。

5·DPD is the first rate-limiting enzyme in the catabolism of uracil and thymine, and affects DNA synthesis by decreasing the level of uracil and thymine, the necessary material for DNA synthesis.

DPD是尿嘧啶和胸腺嘧啶分解过程中的第一限速酶，可降低用于DNA合成的尿嘧啶和胸腺嘧啶的水平而影响DNA的合成。

6·Aldose reductase is a key rate?limiting enzyme in the pathway, while aldose reductase inhibitors can inhibit the pathway and alleviate the symptoms of diabetic complications.

醛糖还原酶是多元醇代谢通路中的限速酶，醛糖还原酶抑制剂能有效抑制此通路，减慢或改善糖尿病并发症。

7·Renin is a monospecific enzyme that catalyzes the rate-limiting step in the synthesis of angiotensin II.

肾素是一种单一特异性酶，是催化血管紧张素ii合成的限速酶。

8·Taxadiene synthase is the first known, and the most important, enzyme involved in taxol anabolism, which catalyzes the first committed, and a slow but not rate-limiting, step of taxol biosynthesis.

紫杉二烯合成酶是第一个被详细研究和目前所发现的最重要的紫杉醇合成代谢酶，它催化紫杉醇生物合成途径中的第一个定向的、慢速的步骤，然而该步骤并非限速步骤。