Damm J B, Voshol H, Hård K, Kamerling J P, Vliegenthart J F
Department of Bio-Organic Chemistry, Utrecht University, The Netherlands.
Eur J Biochem. 1989 Mar 1;180(1):101-10. doi: 10.1111/j.1432-1033.1989.tb14620.x.
The carbohydrate chains of equine fibrinogen were enzymatically released by peptide-N4-(N-acetyl-beta-glucosaminyl)asparagine amidase F. The oligosaccharides obtained were fractionated by a combination of FPLC and HPLC and analyzed by 500-MHz 1H-NMR spectroscopy. Four monosialo and four disialo diantennary N-acetyllactosamine type of carbohydrate chains occur: (formula; see text)
马血纤蛋白原的碳水化合物链通过肽 -N4-(N-乙酰-β-氨基葡萄糖基)天冬酰胺酶F酶促释放。所获得的寡糖通过快速蛋白质液相色谱(FPLC)和高效液相色谱(HPLC)相结合的方法进行分离,并通过500兆赫的1H -核磁共振光谱进行分析。出现了四种单唾液酸和四种双唾液酸二天线N-乙酰乳糖胺类型的碳水化合物链:(分子式;见正文)