它之所以具有生冰 核活性原因是由于INA 细菌在细胞外膜上诱导形成了冰 核活性蛋白(ice-nucleation active proteins，INPs)，它 以这种重复高保真的序列作为模板，将水分子有序地排 列成细腻的冰核。
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它之所以具有生冰 核活性原因是由于INA 细菌在细胞外膜上诱导形成了冰 核活性蛋白(ice-nucleation active proteins，INPs)，它 以这种重复高保真的序列作为模板，将水分子有序地排 列成细腻的冰核。
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单核细胞趋化活性蛋白 Monocyte chemoattractant protein
通过基因克隆等方法，选择原核表达系统，并对目的蛋白进行分离纯化，初步获得有活性的人内毒素结合肽ebp。
We isolated and purified EBP effectively, and obtained EBP with biological activity for the first time with gene cloning method and prokaryotic expression system.
结论：构建了8r - MU C1核心肽融合蛋白原核表达载体并成功表达与纯化出具有生物学活性的融合蛋白。
Conclusion the prokaryotic expression vector of 8r-muc1 core peptide fusion protein has been constructed, and the fusion protein with biological activity has been successfully expressed and purified.
相反，组蛋白h1则可抑制各年龄组鼠肝细胞核的转录活性。
Contrast to HMG histone H1 showed obvious inhibition effect on transcriptional activity of all of the rat liver nuclei.
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