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Home > Learning center > Recombinant Protein Purification > ´Ù¾çÇÑ ½ÇÇè Àû¿ë »ç·Ê > ³ôÀº ´Ü¹éÁú ¼öÀ²À» ¾ò±â À§ÇÑ xTractor¢â Buffer

³ôÀº ´Ü¹éÁú ¼öÀ²À» ¾ò±â À§ÇÑ xTractor¢â Buffer

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³ôÀº ´Ü¹éÁú ¼öÀ²À» ¾ò±â À§ÇÑ xTractor¢â Buffer

xTractor¢â Buffer¸¦ »ç¿ëÇÏ¸é ½ºÄÉÀÏ¿¡ »ó°ü¾øÀÌ tag ´Ü¹éÁúÀ» ºü¸£°í ½±°Ô Á¤Á¦ÇÏ¿© ½Ã°£À» Àý¾àÇÒ ¼ö ÀÖ´Ù.

xTractor¢â Buffer (Code 635671¿Ü)ÀÇ ¿ì¼öÇÑ ¼º´É
  • ´Ü 10ºÐ 󸮷εµ fresh ¶Ç´Â ³Ãµ¿µÈ bacteria, mammalian, yeast ¼¼Æ÷¿Í baculovirus¿¡ °¨¿°µÈ ¼¼Æ÷ÀÇ lysateÁ¦ÀÛ °¡´É
  • Sonication ¹æ¹ýº¸´Ù Ÿ°Ù ´Ü¹éÁúÀÇ »ý¹°ÇÐÀû È°¼º À¯Áö¿¡ ¿ëÀÌ
  • xTractor¢â Buffer KitÀÇ ±¸¼ºÇ°À» È°¿ëÇÏ¿© °íºÐÀÚ ´Ü¹éÁúÀÇ È¸¼öÀ² ±Ø´ëÈ­

¡á Simple protocol
´ç»çÀÇ xTractor¢â Buffer´Â ´Ü¹éÁúÀ» Á¤Á¦Çϱâ Àü¿¡ bacteria¸¦ ¾ÈÀüÇÏ°í È¿À²ÀûÀ¸·Î lysis ÇÑ´Ù. ¾Æ·¡¿Í °°ÀÌ ¼¼Æ÷ pelletÀ» buffer (1:20 w/v)¿¡ Ç®¾îÁÖ°í 10ºÐ µ¿¾È ºÎµå·´°Ô ¼¯À¸¸é °£´ÜÇÑ ¹æ¹ýÀ¸·Î ´Ü¹éÁúÀ» ÃßÃâÇÒ ¼ö ÀÖ´Ù.


󸮽ð£ÀÌ Âª±â ¶§¹®¿¡ ´Ü¹éÁúºÐÇØÈ¿¼Ò (protease)¿¡ ¹Î°¨ÇÑ ´Ü¹éÁú¿¡ ÃÖÀûÀ̸ç, ¸Å¿ì È¿À²ÀûÀ¸·Î ¼¼Æ÷¸·À» lysisÇÏ¿© ´õ¿í ³ôÀº ¼øµµ¿Í ¼öÀ²·Î ´Ü¹éÁúÀ» Á¤Á¦ÇÒ ¼ö ÀÖ´Ù. ÃßÃâ ÈÄ¿¡´Â lysate¸¦ ¿ø½ÉºÐ¸®Çϰųª ¿©°úÇÏ¿© ¿øÇÏ´Â Á¤Á¦ Ä÷³¿¡ ·ÎµùÇÏ¸é µÈ´Ù. º»¹®¿¡¼­´Â his-tagµÈ ´Ü¹éÁúÀ» Á¤Á¦Çϱâ À§ÇØ TALON¢ç Metal Affinity Resin (Code 635504 ¿Ü)À» »ç¿ëÇÏ¿´´Ù.

¡á Sonication
xTractor¢â Buffer´Â ¸¶ÀϵåÇϸ鼭 º¯¼º½ÃÅ°Áö ¾Ê´Â Á¦Çü ´öºÐ¿¡ ´Ü¹éÁú Á¤Á¦ ¼öÀ²À» ´õ ³ôÀ̸鼭 sonication ¹æ¹ýº¸´Ù ÀçÁ¶ÇÕ ´Ü¹éÁúÀÇ »ý¹°ÇÐÀû È°¼ºÀ» ´õ Àß À¯ÁöÇÒ ¼ö ÀÖ´Ù. ¾Æ·¡ Ç¥½ÃµÈ °¢ Á¶°Ç¿¡¼­ his-tagged ¥â-galactosidase (¿ÞÂÊ gel) ¶Ç´Â his-tagged GFPuv ´Ü¹éÁú (¿À¸¥ÂÊ gel)À» ¹ßÇöÇÏ´Â E.coli ¼¼Æ÷ÀÇ 1.7 g pellet¿¡¼­ ´Ü¹éÁúÀ» ºÐ¸®ÇÏ¿´´Ù. 1, 3¹ø laneÀº total lysateÀ̸ç, 2, 4¹ø laneÀº Ä÷³ Á¤Á¦ ÈÄÀÇ Å¸°Ù ´Ü¹éÁúÀ» º¸¿©ÁØ´Ù. ƯÈ÷ °íºÐÀÚ·® ´Ü¹éÁúÀÎ ¥â-galactosidase¿¡¼­µµ ȸ¼öÀ²ÀÌ ³ô´Ù´Â Á¡À» È®ÀÎÇÒ ¼ö ÀÖ´Ù.

±×¸² 1. ¥â-gal, GFPuvÀÇ È¸¼öÀ² Çâ»ó: xTractor¢â Buffer vs. sonication

xTractor¢â ¹æ¹ýÀº ´Ü¹éÁúÀ» º¯¼º½ÃÅ°°Å³ª Àý´Ü½ÃÅ°Áö ¾Ê±â ¶§¹®¿¡ ´Ü¹éÁú¿¡¼­ Áß¿äÇÑ »ý¹°ÇÐÀû È°¼ºÀ» ´õ Àß À¯ÁöÇÒ ¼ö ÀÖ´Ù. ¾Æ·¡ Ç¥´Â xTractor¢â BufferÀÇ ³ôÀº ¼öÀ²°ú È°¼º À¯Áö¸¦ ³ªÅ¸³½´Ù. ´Ü¹éÁú È°¼ºÀº »ó´ë¹ß±¤ (¥â-gal)°ú »ó´ëÇü±¤ (GFPuv) ´ÜÀ§·Î ³ªÅ¸³Â´Ù.

xTractor¢â Buffer¿Í sonication¹ýÀ» ºñ±³

´Ü¹éÁú

ÃßÃâ ¹æ¹ý

Fraction

¼öÀ² (mg)

È°¼º

¥â-Gal

Sonication

Total lysate

28.6

872

Purified protein

0.6

2,115

xTractor¢â Buffer Kit (lysozyme, DNase I ÇÔ²² ó¸®)

Total lysate

122.1

2,277

Purified protein

0.9

3,054

GFPuv

Sonication

Total lysate

40.7

2,247

Purified protein

1.5

3,426

xTractor¢â Buffer

Total lysate

87.0

2,142

Purified protein

1.8

3,514


¡á High MW
°íºÐÀÚ ´Ü¹éÁúÀº ¼¼Æ÷¸·ÀÌ ¿ÏÀüÈ÷ lysis µÇÁö ¾ÊÀ¸¸é ÃßÃâÀÌ ¾î·Æ±â ¶§¹®¿¡ xTractor¢â Buffer Kit¿¡ Æ÷ÇÔµÈ lysozyme°ú DNase IÀ» Ãß°¡ÇÒ ¼ö ÀÖ´Ù. E.coli pellet¿¡¼­ ´Ü¹éÁú ÃßÃâÇÒ ¶§ lysozymeÀ» ÷°¡Çϸé crude lysate¿¡¼­ °íºÐÀÚ ´Ü¹éÁúÀ» ´õ ¸¹ÀÌ È¸¼öÇÒ ¼ö ÀÖ¾ú´Ù.


±×¸² 2. °íºÐÀÚ ´Ü¹éÁúÀÇ È¸¼öÀ² Çâ»ó: xTractor¢â Buffer alone vs. xTractor¢â Buffer Kit (lysozyme Æ÷ÇÔ)

¡á Conclusion
´ç»çÀÇ xTractor¢â Buffer´Â »ý¹°ÇÐÀû È°¼ºÀ» ´õ Àß À¯ÁöÇÒ ¼ö ÀÖ´Â ¸¶ÀϵåÇÑ Á¦ÇüÀ¸·Î, ¸ðµç ½ºÄÉÀÏÀÇ »ùÇÿ¡¼­ ºü¸£°í ½±°Ô °í¼öÀ²·Î ´Ü¹éÁú ÃßÃâÀÌ °¡´ÉÇÏ´Ù. ±âÁ¸ ¹æ¹ý¿¡¼­´Â extraction bufferÀÇ formulationÀÌ ÇÊ¿äÇϰųª »ùÇà ¼Õ½Ç °¡´É¼º (¿¹: sonication 󸮷ΠÀÎÇÑ ¹öºí ¹ß»ý)ÀÌ ÀÖ´Ù. ´ç»çÀÇ xTractor¢â buffer´Â Áï½Ã »ç¿ëÀÌ °¡´ÉÇÑ ÇüÅ·Î
Æí¸®ÇÏ°í ¿ì¼öÇÑ ¼º´ÉÀ» Á¦°øÇÏ¿© ¿¬±¸ È¿À²À» ³ôÀÏ ¼ö ÀÖ´Ù.

¡á °ü·Ã Á¦Ç°

Code

Á¦Ç°¸í

¿ë·®

±¸¼º

635623

xTractor¢â Buffer Kit

1 Set

1X xTractor¢â Buffer
100X Lysozyme
DNase (5 units/ml)

635656

xTractor¢â Buffer

100 §¢

xTractor¢â Buffer

635671

250 §¢

635625

250 §¢ x 2
(635671 x 2)