Selection guide for bacterial expression system |
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ÀåÁ¡ |
¹è¾ç º¼·ý´ç
´Ü¹éÁú ¼öÀ² |
Àû¿ë |
Low-temperature expression system |
pCold DNA cold shock
expression system
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- ¸ñÀû ´Ü¹éÁúÀÇ ¹ßÇö ¼öÀ² ¹× ¼øµµ¸¦ ³ôÀÌ´Â Àú¿Â ¹ßÇö ½Ã½ºÅÛ
- Àú¿Â¿¡¼ ¸ñÀû ´Ü¹éÁúÀÇ ¹ßÇö¸¸ À¯µµÇÏ°í ±× ¿Ü¿¡ E. coli ¼÷ÁÖ ´Ü¹éÁúÀÇ ¹ßÇö ¹× protease È°¼ºÀ» ¾ïÁ¦
- Chaperone plasmid¸¦ ÇÔ²² »ç¿ëÇÏ¸é ¸ñÀû ´Ü¹éÁúÀÇ °¡¿ë¼ºÀ» ³ô¿©, ȸ¼öÀ²À» °³¼±ÇÒ ¼ö ÀÖÀ½
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10 §·
~ 90 §·/L
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- ºÒ¿ë¼º ´Ü¹éÁúÀÇ ¹ßÇö
- ´Ù¾çÇÑ Á¾·ùÀÇ His-tagged protein expression vector ¶óÀξ÷
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High-yield expression systems |
B. subtilis Secretory Protein Expression System
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- ¸ñÀû´Ü¹éÁúÀ» ¼÷ÁÖ ¹Ù±ùÀ¸·Î ºÐºñ ¹ßÇö½ÃÅ°´Â ½Ã½ºÅÛ (Secretion)À¸·Î ´Ü¹éÁú ´ë·® »ý»ê¿¡ ÀûÇÕ
- 173Á¾·ùÀÇ B. subtilis À¯·¡ secretory signal peptide¸¦ In-Fusion Cloning ½Ã½ºÅÛÀ¸·Î Æí¸® ÇÏ°Ô cloningÇÏ¿© Àû¿ë °¡´É
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25 g/L ÀÌ»ó
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- ¸ñÀû ´Ü¹éÁúÀÇ ´ë·® ºÐºñ (secretion) ¹è¾ç
(Large scale fermentation µî)
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Brevibacillus Expression System
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- ºÐºñÇü ¶Ç´Â ¼¼Æ÷³» ´Ü¹éÁúÀ» Active protein ÇüÅ·Π¹ßÇö °¡´É
- ¼÷ÁÖ ³» Endotoxin°ú protease ¹ßÇö ¼öÁØÀ» ³·Ãç, Ÿ ½Ã½ºÅÛ ´ëºñ ´õ ³ôÀº ¼øµµÀÇ ´Ü¹éÁúÀ» ´ë·®¹ßÇö °¡´É
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4 g/L ÀÌ»ó
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- µ¶¼º ´Ü¹éÁú ¶Ç´Â Disulfide bond¸¦ °¡Áö´Â ´Ü¹éÁú µîÀÇ ¹ßÇö¿¡ ÃÖÀû
- ´Ù¾çÇÑ Á¾·ùÀÇ His-tagged protein expression vector ¶óÀξ÷
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High-purity expression system |
SPP System (single-protein production system)
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- E. coli ¼÷ÁÖ À¯·¡ÀÇ ´Ü¹éÁú ¹ßÇöÀº ¾ïÁ¦ÇÏ°í ¸ñÀû ´Ü¹éÁú¸¸ È¿À²ÀûÀ¸·Î ¹ßÇö½ÃÅ°´Â mRNA interferase ¸¦ »ç¿ëÇÑ ½Ã½ºÅÛ
- ¸ñÀû ´Ü¹éÁúÀ» ³ôÀº ¼øµµ·Î ¹ßÇö½Ãų ¼ö ÀÖ°í, ƯÈ÷ È¿À²ÀûÀ¸·Î ¹æ»ç¼º µ¿À§¿ø¼Ò ¶óº§¸µ °¡´É; ÃÖ´ë 90%±îÁö ¶óº§¸µ È®ÀÎ
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~ 90 §·/L
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- °í¼øµµÀÇ ´Ü¹éÁú ¹ßÇö
- ¸ñÀû ´Ü¹éÁúÀÇ ¹æ»ç¼± µ¿À§¿ø¼Ò ¶óº§¸µ¿¡ ÃÖÀû
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Standard E. coli expression systems |
pET Express & Purify Kits
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- N- / C-¸»´Ü 6x HN tagged protein expression vector (pET ±â¹Ý)
- Expression system°ú purification kit ¸ðµÎ Æ÷ÇÔ
- Cloning: ÀüÅëÀûÀÎ Ligase ¹ý
/ ½Å°³³ä In-Fusion cloning
- TALON °ú His60 Ni ±â¹ÝÀÇ resin ¶Ç´Â resin with buffer Á¦Ç°
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1 g/L ÀÌ»ó
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- His-tagged proteinÀÇ ¹ßÇö ¹× Á¤Á¦
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HAT Protein Expression
& Purification System |
- ¸ñÀû ´Ü¹éÁúÀÇ °¡¿ë¼º Áõ´ë
- Á¦Ç° ³» TALON resin, column, buffer°¡ Æ÷ÇÔ
- Áß¼º pH¿¡¼ native ¶Ç´Â denature »óÅÂÀÇ ´Ü¹éÁú Á¤Á¦ ¸ðµÎ °¡´É
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1 g/L ÀÌ»ó
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- HAT-tagged proteinÀÇ ¹ßÇö ¹× Á¤Á¦
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