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1. Cell lysis

¨ç pelletÀ» ³ìÀÎ ÈÄ Buffer LB 26ml ºÐÁÖÇÏ¿© ¼¯´Â´Ù.
¨è Àß ¼¯Àº pelletÀ» ice¿¡ ¹ÚÇôÀÖ´Â ºñÄ¿¿¡ º×°í stirringÇÏ¿© 6ml lysozyme¿¡ ºÐÁÖÇÑ ´ÙÀ½, 66ml PMSF¿Í 33ul leupeptinµµ ÷°¡ÇÑ´Ù. (20min ¹ÝÀÀ½Ã°£ ÁØ´Ù.)
¨é 20min ÈÄ, 3ml 0.8% Sodium deoxycloate ÷°¡ÇÏ°í 20min ¹ÝÀÀ ½Ã°£ ÁØ´Ù.
¨ê 20min ÈÄ, 50ul PMSF ÷°¡ÇÏ°í 5.6ml 2M Ammonium Sulfate ÷°¡ÇÑ´Ù.
¨ë Total volume 56ml ±îÁö Buffer LB¸¦ ÷°¡ÇÑ´Ù.
¨ì 5.6ml 10% PEI¸¦ ¾ÆÁÖ ÃµÃµÈ÷ ³Ö¾îÁÖ°í 20 min ¹ÝÀÀ½Ã°£ ÁØ´Ù.
¨í 39.00g 4µµ¿¡¼­ 15min ultra centrifugeÇÑ´Ù.
¨î supernatant¸¸ ºñÄ¿¿¡ ´ã°í Àüü volumeÀÇ 0.82¹è(46ml) ammonium sulfate¸¦ õõÈ÷ ÷°¡½ÃÄÑ 15min ¹ÝÀÀ½ÃŲ´Ù.
¨ï 12.00g 4µµ¿¡¼­ 15min ultra centrifugeÇÑ´Ù.
¨ð supernatant´Â ¹ö¸®°í 17ml lysis buffer (1XBuffer C + 100mM NaCl) ÷°¡ÇÏ¿© ¿ëÇؽà Ų´Ù.
¨ñ Åõ¼® ½Ã »ç¿ëÇÏ´Â membraneÀ» ¹Ì¸® D.W¿¡ ´ã±Ù´Ù. (3.3ml/1cm)
¨ò protein solutionÀ» membrane¿¡ ³Ö°í clipÀ¸·Î ÀâÀº ÈÄ 4µµ, chamber¿¡¼­ O/N

2. Cell Purification
¨ç ´Ü¹éÁúÀ» 4µµ, 12000g¿¡¼­ 20ºÐ CentrifugeÇÑ´Ù.
¨è Supernatant¸¸ ºñÄ¿¿¡ ´ã°í 50ul PMSF ÷°¡ÇÑ´Ù.
¨é Colom¿¡ À§ÀÇ solutionÀ» Èê·Áº¸³½´Ù. Èê·Á³ª¿À´Â BufferÀ» ºñÄ¿¿¡ ´ã´Â´Ù. (50ml; loading eluent)
¨ê Washing Buffer 120mlÀ» Èê·Áº¸³½´Ù. (200ml ; Washing eluent)
¨ë Elution Buffer 200mlÀ»

 
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