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Published: Dec 10, 2021 DOI: 10.21769/BioProtoc.1010877 Views: 3792
材料与试剂
仪器设备
软件
实验步骤
一、样品溶液制备
结果与分析
Sample | Tm Average | Tagg Average |
5 mg/ml pH 4.0 | 74.6 | 56.6 |
5 mg/ml pH 4.2 | 74.9 | 57.4 |
5 mg/ml pH 4.4 | 75.1 | 57.1 |
5 mg/ml pH 4.6 | 75.7 | 57.2 |
5 mg/ml pH 5.0 | 76 | 43.8 |
5 mg/ml pH 5.2 | 74.4 | 43.1 |
5 mg/ml pH 5.4 | 73.4 | 43.5 |
5 mg/ml pH 5.6 | 73 | 43.6 |
5 mg/ml pH 5.8 | 73 | 35.7 |
5 mg/ml pH 7.0 | 74.1 | 46.8 |
5 mg/ml pH 7.2 | 71.7 | 45.9 |
5 mg/ml pH 7.4 | 70.5 | 43.2 |
5 mg/ml pH 7.6 | 69.7 | 40.7 |
5 mg/ml pH 7.8 | 69.6 | 41.5 |
5 mg/ml pH 8.0 | 70.9 | 38 |
5 mg/ml pH 8.2 | 72.1 | 36.3 |
失败经验
溶液配方
pH: | Reagent: | Titrant |
pH 4.0 | 1.0 M Sodium acetate trihydrate | Hydrochloric acid |
pH 4.2 | 1.0 M Sodium acetate trihydrate | Hydrochloric acid |
pH 4.4 | 1.0 M Sodium acetate trihydrate | Hydrochloric acid |
pH 4.6 | 1.0 M Sodium acetate trihydrate | Hydrochloric acid |
pH 5.0 | 1.0 M Sodium citrate tribasic dihydrate | Hydrochloric acid |
pH 5.2 | 1.0 M Sodium citrate tribasic dihydrate | Hydrochloric acid |
pH 5.4 | 1.0 M Sodium citrate tribasic dihydrate | Hydrochloric acid |
pH 5.6 | 1.0 M Sodium citrate tribasic dihydrate | Hydrochloric acid |
pH 5.8 | 1.0 M Sodium citrate tribasic dihydrate | Hydrochloric acid |
pH 7.0 | 1.0 M HEPES sodium | Hydrochloric acid |
pH 7.2 | 1.0 M HEPES sodium | Hydrochloric acid |
pH 7.4 | 1.0 M HEPES sodium | Hydrochloric acid |
pH 7.6 | 1.0 M HEPES sodium | Hydrochloric acid |
pH 7.8 | 1.0 M HEPES sodium | Hydrochloric acid |
pH 8.0 | 1.0 M TRIS hydrochloride | Sodium hydroxide |
pH 8.2 | 1.0 M TRIS hydrochloride | Sodium hydroxide |
致谢
本文得到清华大学国家蛋白质研究技术中心的资助。本文得到美国Unchained Labs公司的仪器工程师马春花的帮助。
参考文献
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