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链激酶

链激酶C
人类纤维蛋白溶酶催化域与链激酶的复合体;结构源自PDB文件 1BML
标识
生物 Streptococcus dysgalactiae subsp. equisimilis
符号 skc
Entrez 8110746
PDB 1BML
UniProt P00779
其他数据
EC number 3.4.24.29
金葡菌激酶/链激酶家族
金葡菌激酶结构,一种纤溶酶原激活药[1]
鑑定
標誌金葡菌激酶
PfamPF02821旧版
InterPro英语InterProIPR004093
SCOP英语Structural Classification of Proteins2sak / SUPFAM

链激酶(英語:Streptokinase),又名溶栓酶,是由β-溶血性链球菌产生的一种酶。其能与血浆纤溶酶原结合成复合物,使其暴露活性部位,催化纤溶酶原转化为纤溶酶,使血栓溶解。但不能溶解形成已久且已机化的血栓。[2]

禁忌症

禁用于出血性疾病、重症高血压糖尿病、链球菌感染、亚急性细菌性心内膜炎、消化道溃疡及近期使用过肝素或香豆素类抗凝血药的患者。外科手术患者3日内亦不可使用链激酶。[2]

不良反应

不良反应主要为出血及过敏。严重出血可用羧基苄胺拮抗。过敏反应有发热、寒颤、头痛等。[2]

参考文献

  1. ^ Rabijns A, De Bondt HL, De Ranter C. Three-dimensional structure of staphylokinase, a plasminogen activator with therapeutic potential. Nat. Struct. Biol. May 1997, 4 (5): 357–60. PMID 9145104. doi:10.1038/nsb0597-357. 
  2. ^ 2.0 2.1 2.2 李端, 殷明. 药理学. 第六版. 人民卫生出版社. 278-279. ISBN 978-7-117-08905-0
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链激酶
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