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º» Á¦Ç°Àº Chaperone Plasmid Set (Code 3340)¿¡ Æ÷ÇԵǾî ÀÖ´Â 5Á¾·ùÀÇ chaperone plasmid¸¦ °¢°¢ ÇüÁú ÀüȯÇÑ E. coli BL21ÁÖÀÇ competent cellÀÌ´Ù.
º» Á¦Ç°¿¡ ÀÖ´Â 5 Á¾·ùÀÇ plasmid (pG-KJE8, pGro7, pKJE7, pG-Tf2, pTf16)´Â ´Ü¹éÁúÀÇ folding¿¡ ÇÔ²² °ü¿©ÇÑ´Ù°í ¾Ë·ÁÁ® ÀÖ´Â ¿©·¯ °¡Áö ºÐÀÚ chaperoneÀÌ °¢°¢ ÇϳªÀÇ plasmid»ó¿¡ ÄÚµå µÇ¾î chaperone ÆÀÀ¸·Î È¿À²ÀûÀ¸·Î ¹ßÇöÇϵµ·Ï ¼³°èµÇ¾î ÀÖ´Ù. ÀÌ·¯ÇÑ Chaperone ÆÀ°ú ¸ñÀû ´Ü¹éÁúÀ» co-expression½ÃÅ°´Â °ÍÀ¸·Î ¹ßÇö ´Ü¹éÁúÀÇ °¡¿ëȸ¦ ÃËÁø½Ãų ¼ö ÀÖ´Ù.
E. coli BL21ÁÖ´Â lon protease, ompT ¿Ü¸· protease°¡ °á¼ÕµÈ BÁÖ À¯·¡ÀÇ ±ÕÁַνá, ¹ßÇö ´Ü¹éÁúÀÇ ¾ÈÁ¤¼ºÀ» Çâ»ó½Ãų ¼ö ÀÖ¾î ÀçÁ¶ÇÕ ´Ü¹éÁú ¹ßÇö¿¡ ³Î¸® ÀÌ¿ëµÇ°í ÀÖ´Ù.
ÀϹÝÀûÀ¸·Î Chaperone plasmid¸¦ ÀÌ¿ëÇÏ¿© ¸ñÀû ´Ü¹éÁú°ú chaperone ÆÀÀÇ co-expressionÀ» ½Ç½ÃÇÏ·Á¸é, ¸ÕÀú chaperone plasmid·Î ¼÷ÁÖ E. coli¸¦ ÇüÁú ÀüȯÇÏ¿© ÇüÁú Àüȯü·Î competent cellÀ» Á¦ÀÛÇÑ ÈÄ, ¸ñÀû ´Ü¹éÁúÀ» ¹ßÇöÇÏ´Â plasmid¸¦ ÇüÁú Àüȯ½ÃÄÑ¾ß ÇÑ´Ù.
º» Á¦Ç°Àº Chaperone plasmid ·Î ÇüÁú ÀüȯÇÑ BL21ÁַκÎÅÍ Á¶Á¦ÇÑ competent cellÀ̹ǷΠÇÑ ¹øÀÇ ÇüÁú ÀüȯÀ¸·Î °£´ÜÇÏ°Ô ¸ñÀû ´Ü¹éÁú°ú chaperone ÆÀÀÌ co-expressionµÈ E. coli¸¦ ¾òÀ» ¼ö ÀÖ´Ù.
Chaperone plasmid 5 Á¾·ù ¿Ü¿¡ chaperone plasmid¸¦ Æ÷ÇÔÇÏÁö ¾Ê¾Æ control¿ëÀ¸·Î »ç¿ëÇÒ ¼ö ÀÖ´Â BL21 competent cellµµ ÆǸÅÇÏ°í ÀÖ´Ù.
º» Á¦Ç°Àº ƯÈ÷ Cold shock expression vector pCold DNA ½Ã¸®Áî (Code 3360-3364)¿Í ÇÔ²² »ç¿ëÇÏ¸é ³ôÀº È¿°ú¸¦ ¾òÀ» ¼ö ÀÖ´Ù.
ÁÖ) º» Á¦Ç°ÀÇ ¼÷ÁÖÀÎ BL21ÁÖ´Â T7 RNA Polymerase¸¦ ¹ßÇöÇÏÁö ¾Ê¾Æ, pET ½Ã½ºÅÛ µî T7 promoter¸¦ ÀÌ¿ëÇÑ ¹ßÇö ½Ã½ºÅÛ¿¡´Â »ç¿ëÇÒ ¼ö ¾ø´Ù.
ÁÖ) º» Á¦Ç°Àº Electroporation¿¡´Â »ç¿ëÇÒ ¼ö ¾ø½À´Ï´Ù.
±¸¼º
Chaperone Competent Cells BL21 Set (Code 9120)
1. |
Chaperone Competent Cells pG-KJE8/BL21 |
100 §¡¡¿ 3°³ |
2. |
Chaperone Competent Cells pGro7/BL21 |
100 §¡¡¿ 3°³ |
3. |
Chaperone Competent Cells pKJE7/BL21 |
100 §¡¡¿ 3°³ |
4. |
Chaperone Competent Cells pG-Tf2/BL21 |
100 §¡¡¿ 3°³ |
5. |
Chaperone Competent Cells pTf16/BL21 |
100 §¡¡¿ 3°³ |
6. |
TaKaRa Competent Cells BL21 |
100 §¡¡¿ 3°³ |
7. |
pUC19 DNA (0.1 ng/§¡) |
10 §¡¡¿ 1°³ |
8. |
3. SOC Medium* |
1 §¢¡¿ 18°³ |
¤ý Chaperone Competent Cells pG-KJE8/BL21 (Code 9121)
¤ý Chaperone Competent Cells pGro7/BL21 (Code 9122)
¤ý Chaperone Competent Cells pG-Tf2/BL21 (Code 9124)
¤ý Chaperone Competent Cells pTf16/BL21 (Code 9125)
¤ý TaKaRa Competent Cells BL21 (Code 9126)
Chaperone Competent Cell (Code 9121~9126)
1. |
TaKaRa Competent Cells BL21 |
100 §¡¡¿ 10°³ |
2. |
pUC19 DNA (0.1 ng/§¡) |
10 §¡¡¿ 1°³ |
3. |
SOC Medium* |
1 §¢¡¿ 10°³ |
* SOC Medium Á¶¼º |
2 % |
Tryptone |
0.5 % |
Yeast extract |
10 mM |
NaCl |
2.5 mM |
KCl |
10 mM |
MgSO4 |
10 mM |
MgCl2 |
20 mM |
Glucose |
[ÁÖÀÇ]
SOC MediumÀ» ³ìÀÏ ¶§ °£È¤ ħÀüÀÌ »ý±â´Â °æ¿ì°¡ ÀÖ½À´Ï´Ù.
ÀÌ·¯ÇÑ °æ¿ì, ½Ç¿Â¿¡¼ Àß ¼¯°Å³ª 37¡É¿¡¼ ¸î ºÐ°£ µ¥¿ö¼ ħÀü¹°À» ³ìÀÎ ÈÄ »ç¿ëÇϼ¼¿ä.
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Chaperone plasmid map
No. |
Plasmid |
Chaperone |
Promoter |
Inducer |
Resistant Marker |
Sequence |
1 |
pG-KJE8 |
dnaK-dnaJ-grpE
groES-groEL |
araB
Pzt-1 |
L-Arabinose Tetracyclin |
Cm |
link |
2 |
pGro7 |
groES-groEL |
araB |
L-Arabinose |
Cm |
link |
3 |
pKJE7 |
dnaK-dnaJ-grpE |
araB |
L-Arabinose |
Cm |
link |
4 |
pG-Tf2 |
groES-groEL-tig |
Pzt-1 |
Tetracyclin |
Cm |
link |
5 |
pTf16 |
tig |
araB |
L-Arabinose |
Cm |
link |
<ÀÌ¿ëÇÒ ¼ö ÀÖ´Â ¹ßÇö¿ë Çö󽺹̵å>
º» Á¦Ç°¿¡ Æ÷ÇÔµÈ Chaperone plasmid´Â pACYCÀÇ º¹Á¦ ±âÁ¡ ¹× chrolamphenicol ³»¼º À¯ÀüÀÚ (Cm r À¯ÀüÀÚ)À» Æ÷ÇÔÇÏ°í ÀÖ¾î °¡Àå ³Î¸® »ç¿ëµÇ´Â ColE1 ŸÀÔÀÇ ampicillin ³»¼º À¯ÀüÀÚ¸¦ Æ÷ÇÔÇÑ ¹ßÇö¿ë plasmid¸¦ »ç¿ëÇÒ ¼ö ÀÖ´Ù. °¢ Chaperone À¯ÀüÀÚ´Â
araB ¶Ç´Â
Pzt-1 (
tet) promoter ÇÏ·ù¿¡ ¹èÄ¡µÇ¾î ÀÖ¾î, ¸ñÀû À¯ÀüÀÚ¸¦
lac µî ´Ù¸¥ promoter ÇÏ·ù¿¡ µÎ¸é ¸ñÀû´Ü¹éÁú°ú chaperone ´Ü¹éÁúÀ» µû·Î ¹ßÇö½Ãų ¼ö ÀÖ°í, °¢ promoter¿¡ ÇÊ¿äÇÑ ÄÄÆ÷³ÍÆ® (
araC ¶Ç´Â
tetR)Àº plasmid »ó¿¡ ¹èÄ¡µÇ¾î ÀÖ´Ù.
´Ü, Chrolamphenicol ³»¼º À¯ÀüÀÚ¸¦ Æ÷ÇÔÇÑ ¹ßÇö plasmid ¿Í´Â ÇÔ²² »ç¿ëÇÒ ¼ö ¾ø´Ù.
º» Á¦Ç°Àº ƯÈ÷ Cold shock expression vectorÀÎ pCold¢â DNA ½Ã¸®Áî (Code 3360-3364), pCold¢â TF DNA (Code 3365), pCold¢â ProS2 DNA (Code 3371), pCold¢â GST DNA (Code 3372)¿Í °°ÀÌ »ç¿ëÇÏ¸é ¸ñÀû ´Ü¹éÁúÀ» ³ôÀº È¿À²·Î ¹ßÇö½Ãų ¼ö ÀÖ´Ù.
Genotype
E.coli BL21£ºF-, ompT, hsdS B (rB- mB-), gal, dcm
°ü·ÃÁ¦Ç°
- °íÈ¿À² E. coli Cold shock ¹ßÇö½Ã½ºÅÛ : pCold¢â Vector ½Ã¸®Áî
- Â÷¼¼´ë Membrane ±â¼úÀÇ His-tagged protein Á¤Á¦ column : Capturem¢â His-Tagged Purification
- Acetic acid ¾ø´Â °í°¨µµ ´Ü¹éÁú ¿°»ö½Ã¾à : TaKaRa CBB Protein Safe Stain
- ¹ü¿ëÀûÀÎ °ËÃâºÎÅÍ ÃÊ°í°¨µµ °ËÃâ±îÁö ´Ù¾çÇÑ Á¦Ç° ¶óÀξ÷ : HRP Substrate ½Ã¸®Áî