y********g 发帖数: 782 | 1 1、每个reaction大概需要多少细胞。
2、sonication时,当时tube中裂解液的体积是不是很重要,大约多少ul比较好?
3、用液氮闪冻一下,是不是必须的?
4、PMSF要不要加?磷酸化酶抑制剂要加么?
5、用磁珠的话,也要preclear么?
十分感谢!! | j****t 发帖数: 1663 | 2 You can read following paper for answers...
(1). Chromatin immunoprecipitation and microarray-based analysis of protein
location.Lee TI, Johnstone SE, Young RA.Nat Protoc. 2006;1(2):729-48.
(2). Robertson G et al.(2007) Genome-wide profiles of STAT1 DNA association
using chromatin immunoprecipitation and massively parallel sequencing.
Nature Methods 4: 651-657. |
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