棉子糖的生物合成。
The biosynthesis of raffinose.
作者信息
Bourne E J, Walter M W, Pridham J B
出版信息
Biochem J. 1965 Dec;97(3):802-6. doi: 10.1042/bj0970802.
Abstract
- Reaction of UTP and alpha-d-galactose 1-phosphate with [U-(14)C]sucrose in the presence of a Vicia faba dormant-seed preparation yielded the trisaccharide raffinose. 2. UTP-alpha-d-galactose 1-phosphate-uridylyltransferase activity has been demonstrated in the bean preparation and evidence for the participation of UDP-galactose in the trisaccharide synthesis is presented. 3. UDP-galactose 4-epimerase is present in the dormant seed. 4. The biosynthesis of raffinose in relation to the metabolism of other carbohydrates in plants is discussed.
摘要
- 在蚕豆休眠种子制剂存在的情况下，尿苷三磷酸（UTP）和α-D-半乳糖1-磷酸与[U-(14)C]蔗糖反应生成了三糖棉子糖。2. 在蚕豆制剂中已证实存在UTP-α-D-半乳糖1-磷酸-尿苷酰转移酶活性，并提供了UDP-半乳糖参与三糖合成的证据。3. UDP-半乳糖4-差向异构酶存在于休眠种子中。4. 讨论了棉子糖的生物合成与植物中其他碳水化合物代谢的关系。
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