中黑盲蝽丝氨酸蛋白酶基因克隆与序列分析
Hubei Agricultural Sciences(2016)
Abstract
采用兼并引物和RACE的技术,在中黑盲蝽(A delphocoris suturalis Jakovlev)中获得丝氨酸蛋白酶的全长cDNA序列,将该基因命名为ASJSP,cDNA全长为958 bp,开放阅读框为885 bp,推测编码295个氨基酸,预计分子量为31.20 kDa,等电点pI为9.38,预测分子式为C1374H2 222N390O407S15,不稳定系数为31.94,总亲水性系数为0.114,为疏水性稳定蛋白质.序列分析表明ASJSP与其他盲蝽科昆虫已知丝氨酸蛋白酶的核苷酸序列一致性为55.70%.
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