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Capturem, His60, TALON ½Ã¾à ȣȯ¼º

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Capturem¢â, His60, TALON¢ç ½Ã¾à ȣȯ¼º


´ç»ç¿¡¼­ ÆǸÅÇÏ´Â his-tagged protein Á¤Á¦¸¦ À§ÇÑ Á¦Ç°Àº ´Ü¹éÁú Á¤Á¦ °úÁ¤¿¡¼­ ÁÖ·Î »ç¿ëµÇ´Â ´Ù¾çÇÑ Ã·°¡Á¦¿¡ ´ëÇÑ È£È¯¼ºÀ» °¡Áö°í ÀÖ´Ù. °¢ ÷°¡Á¦¿¡ ´ëÇÑ Á¦Ç° º° ȣȯ¼ºÀ» ¾Æ·¡ÀÇ Ç¥¿¡¼­ È®ÀÎÇÒ ¼ö ÀÖ´Ù

¡á Capturem¢â nickel column ½Ã¾à ȣȯ¼º
Capturem¢â his-tagged protein purification columnÀº ³ôÀº capacityÀÇ Ni-NTA membraneÀ» »ç¿ëÇØ ´Ù¾çÇÑ Á¶°Ç¿¡¼­ °í³óµµÀÇ recombinant proteinÀ» ºü¸£°Ô Á¤Á¦ÇÑ´Ù. ÀÌ columnÀº xTractor Buffer (Code 635656) (miniprep°ú maxiprepÀÇ °æ¿ì Á¦Ç° ³» Æ÷ÇԵǾî ÀÖÀ½)¿Í ÀÌ¿Ü ´Ù¾çÇÑ Á¶¼ºÀÇ lysis buffer¸¦ °°ÀÌ »ç¿ëÇÒ ¼ö ÀÖ´Ù. ¶ÇÇÑ native ¶Ç´Â denaturing Á¶°ÇÀ̳ª ÷°¡Á¦ (e.g. EDTA, ¥âME, TCEP, DTT µî)ÀÇ Á¸Àç ÇÏ¿¡¼­µµ ÀÏ°üµÈ Á¤Á¦ °á°ú¸¦ º¸ÀδÙ.

Capturem¢â nickel column°ú ȣȯµÇ´Â reagent

Reagent

Compatibility*

MOPS

200 mM

HEPES

200 mM

Tris

200 mM

EDTA

10 mM

Beta-mercaptoethanol

30 mM

DTT

10 mM

TCEP

5 mM

Guanidine-HCl

6 M

Urea

8 M

Nonionic detergent (Triton X-100)

2%

Nonionic detergent (Tween 20)

2%

Anionic detergent (SDS)

1%

Arginine

500 mM

Glycine

100 mM

Histidine

20 mM

Sodium chloride

2 M

Imidazole

40 mM

Glycerol

10%

*ÇöÀç±îÁö Å×½ºÆ®µÈ ȣȯ °¡´ÉÇÑ ÃÖ´ë ³óµµ.

¡á His60 Nickel resin reagent ½Ã¾à ȣȯ¼º
His60 Ni resinÀº ³ôÀº capacityÀÇ Ni-IDA resinÀ¸·Î, one stepÀ¸·Î native ¿Í denaturing Á¶°ÇÀÇ his-tagged proteinÀ» ¸ðµÎ Á¤Á¦ÇÒ ¼ö ÀÖ´Ù. ÀÌ resinÀº ´Ù¾çÇÑ denaturant ¹× detergent¿Í °°ÀÌ »ç¿ë °¡´ÉÇϸç (ÀüüÀûÀÎ ½Ã¾à ȣȯ¼ºÀº Á¦Ç° »ç¿ëÀÚ ¸Å´º¾ó Âü°í), Á¤Á¦µÈ recombinant his-tagged proteinÀº 300 mM imidazoleÀ» ÷°¡Çϰųª pH¸¦ ³·Ãß¾î elution ÇÒ ¼ö ÀÖ´Ù.

His60 Nickel resin°ú ȣȯµÇ´Â reagent

Reagent

Acceptable Concentration

Beta-mercaptoethanola

20 mM (with caution)

CaCl2

5 mM

CHAPSb,c

1% (with caution)

DTT (dithiothreitol)d

1 mM (with caution)

Ethanole

20%

Glycerol

20%

Guanidine hydrochloridef

6 M

HEPESg

Up to 100 mM (with caution)

Histidineh

- 20 mM to inhibit nonspecific binding
- Up to 100 mM to elute his-tagged proteins

MgCl2

4 M

MOPSg

Up to 100 mM (with caution)

NP-40b,i

2%

SDSb,c

1% (with caution)

Sodium acetate

Up to 100 mM (with caution)

Sodium phosphate

Up to 50 mM

Trisj

Up to 50 mM (with caution)

Triton-X 100b,i

1%

Tween 20

2%

Ureaf

8 M

a Beta-mercaptoethanolÀ» Æ÷ÇÔÇÑ buffer¸¦ »ç¿ëÇÏ´Â °æ¿ì equilibration ÈÄ ¹Ù·Î resinÀ» »ç¿ëÇÑ´Ù. ±×·¸Áö ¾ÊÀº °æ¿ì resinÀÇ »öÀÌ ³ë¶õ »öÀ¸·Î º¯»öµÉ ¼ö ÀÖ´Ù. ÀÌ buffer·Î´Â resinÀÇ º¸°üÀÌ ºÒ°¡´ÉÇÏ´Ù.
b ÀÌ·¯ÇÑ detergent´Â ¹öÆÛ¸¦ ±³È¯Çصµ ½±°Ô Á¦°ÅµÇÁö ¾Ê´Â´Ù.
c CHAPS (3-[(3-Cholamidopropyl)-dimethylammonio]-1-propane-sulfonate), SDS (sodium dodecyl sulfate), sarkosyl °°Àº ionic detergent´Â ÃÖ´ë 1% ±îÁö¸¸ Àû¿ë °¡´ÉÇÏ´Ù. ±×·¯³ª ÀüÇϸ¦ ¶ç´Â Ư¼ºÀ¸·Î ÀÎÇØ ³·Àº ³óµµ¿¡¼­µµ ´Ü¹éÁú °áÇÕ¿¡ ¹æÇØ°¡ µÉ ¼ö ÀÖ´Ù.
d DTT´Â ȯ¿øÁ¦À̱⠶§¹®¿¡ ³óµµ°¡ ³·À¸¸é His60 Ni Superflow resinÀÇ metal ionÀ» Å»¶ô½Ãų ¼ö ÀÖ´Ù. ´Ü¹éÁúÀ» Á¤Á¦Çϱ⿡´Â ÃæºÐÇÑ ¾çÀÌ ³²¾ÆÀÖÀ¸¸é »ç¿ëÇÒ ¼ö ÀÖÀ¸³ª ÁÖÀÇÇØ »ç¿ëÇØ¾ß ÇÑ´Ù. ÃÖ¼Ò column volumeÀÇ 20¹è ÀÌ»óÀ¸·Î wash¸¦ ÁøÇàÇÏ°í À̶§ Àú³óµµÀÇ imidazole (40 mM)À» »ç¿ëÇØ Å»¶ôµÈ metal ionÀ» washÇÑ´Ù.
e EthanolÀº ´Ü¹éÁúÀ» ħÀü½ÃÄÑ ¼öÀ²À» °¨¼Ò½ÃÅ°°í columnÀ» ¸·È÷°Ô ÇÒ ¼ö ÀÖ´Ù.
f °í³óµµ¿¡¼­´Â ÀϹÝÀûÀ¸·Î ´Ü¹éÁúÀÌ unfoldingµÇ°í, column¿¡¼­ ȤÀº elution ÈÄ refolding µÈ´Ù (´Ü¹éÁú¿¡ µû¶ó ´Ù¸§).
g Amine groupÀÌ ÀÌ buffer¿¡ ÀÖ´Â °æ¿ì Ni2+ ions°ú »óÈ£ÀÛ¿ëÇؼ­ resinÀÇ binding capacity¸¦ °¨¼Ò½Ãų ¼ö ÀÖ´Ù.
h Resin¿¡ ÀÖ´Â His60 Ni¿Í his-tag¿¡ ÀÖ´Â histidine Àܱâ¿ÍÀÇ °áÇÕ¿¡ °æÀïÇÏ¿© ÀúÇØÇÑ´Ù.
i 280 nm ÆÄÀå´ë¿¡¼­ ³ôÀº Èí±¤µµ¸¦ °¡Áø´Ù.
j tris´Â ±Ý¼Ó À̿°ú ¾àÇÏ°Ô »óÈ£ÀÛ¿ëÇÏ¿© resinÀÇ capacity¸¦ °¨¼Ò½ÃŲ´Ù.

His60 Nickel resin°ú ȣȯµÇÁö ¾Ê´Â reagent

¾Æ·¡ÀÇ ½Ã¾àÀº ¾î¶² ³óµµ·Îµµ resin¿¡ Àû¿ëÀÌ ºÒ°¡´ÉÇÏ´Ù

  • Arginine, glycine, glutamine
  • EDTA (ethylenediaminetetraacetic acid), EGTA (ethylene glycol tetra acetic acid), and PEI
    ÁÖÀÇ: ÀÌ·¯ÇÑ Å³·¹ÀÌÆ® ½Ã¾àÀ» »ç¿ëÇϸé resin¿¡¼­ metal ÀÌ¿ÂÀ» Å»¶ô½ÃÄÑ ´Ü¹éÁúÀ» elution ½ÃÅ°°Å³ª resinÀÇ »öÀ» º¯È­½Ãų ¼ö ÀÖ´Ù.
  • DTE (dithioerythritol)

¡á TALON¢ç cobalt resin reagent ½Ã¾à ȣȯ¼º
TALON¢ç purification resinÀº his-tagged proteinÀ» ¸Å¿ì ³ôÀº ¼øµµ·Î native ȤÀº denaturing Á¶°Ç »ó°ü¾øÀÌ bacterial, mammalian, yeast, baculovirus¿¡ °¨¿°µÈ cell µî¿¡¼­ Á¤Á¦ÇÒ ¼ö ÀÖ´Ù. TALON¢çÀº cobalt°¡ µé¾î°£ IMAC (Immobilized Metal Affinity Chromatography) resinÀ¸·Î nickelÀÌ µé¾î°£ resin º¸´Ùµµ ´õ¿í ƯÀÌÀûÀ¸·Î his-tagged ´Ü¹éÁú°ú °áÇÕÇÑ´Ù. µû¶ó¼­ TALON¢ç resinÀº °¡Àå ³ôÀº ¼øµµÀÇ his-tagged proteinÀ» Á¤Á¦ÇÒ ¼ö ÀÖ´Ù. ¶ÇÇÑ °¢°¢ÀÇ cobalt ÀÌ¿ÂÀº 4°³ÀÇ ºÎÀ§¿¡¼­ resin°ú °áÇÕÇϱ⠶§¹®¿¡ ±Ý¼Ó ÀÌ¿ÂÀÇ Å»¶ôÀÌ ¸Å¿ì Àû´Ù.

TALON¢ç cobalt resin°ú ȣȯµÇ´Â reagent

Reagent

Acceptable Concentration

Beta-mercaptoethanola

10 mM (with caution)

CHAPSb

1% (with caution)

Ethanolc

30%

Ethylene glycol

30%

HEPES

50 mM

Glycerol

20%

Guanidine hydrochloridea

6 mM

Imidazoled

200 mM at pH 7.0-8.0, for elution

KCl

500 mM

MES

20 mM

MOPS

50 mM

NaCl

1.0 M

NP-40

1%

SDSb

1% with caution

Trise

50 mM

Triton-X 100

<1%

Urea

8 M

a Beta-mercaptoethanolÀ» Æ÷ÇÔÇÑ buffer¸¦ »ç¿ëÇÏ´Â °æ¿ì equilibration ÈÄ ¹Ù·Î resinÀ» »ç¿ëÇÑ´Ù. ±×·¸Áö ¾ÊÀº °æ¿ì resinÀÇ »öÀÌ ³ë¶õ »öÀ¸·Î ¾àÇÏ°Ô º¯»öµÉ ¼ö ÀÖ´Ù. ÀÌ·¯ÇÑ buffer·Î´Â resinÀÇ º¸°üÀÌ ºÒ°¡´ÉÇÏ´Ù.
b CHAPS (3-[(3-Cholamidopropyl)-dimethylammonio]-1-propane-sulfonate), SDS (sodium dodecyl sulfate), sarkosyl°°Àº ionic detergent´Â ÃÖ´ë 1% ±îÁö¸¸ Àû¿ë °¡´ÉÇÏ´Ù. ±×·¯³ª ÀüÇϸ¦ ¶ç´Â Ư¼ºÀ¸·Î ÀÎÇØ ³·Àº ³óµµ¿¡¼­µµ ´Ü¹éÁú °áÇÕ¿¡ ¹æÇØ°¡ µÉ ¼ö ÀÖ´Ù.
c EthanolÀº ´Ü¹éÁúÀ» ħÀü½ÃÄÑ ¼öÀ²À» °¨¼Ò½ÃÅ°°í columnÀ» ¸·È÷°Ô ÇÒ ¼ö ÀÖ´Ù.
d ImidazoleÀº his-tagged proteinÀÇ side chain°ú °íÁ¤µÇ¾î ÀÖ´Â ±Ý¼ÓÀ̿°úÀÇ °áÇÕ¿¡ °æÀïÇÏ¿© ÀúÇØÇϱ⠶§¹®¿¡ ´Ü¹éÁúÀ» ·ÎµùÇÒ ¶§ 5~10 mM ÀÌ»óÀÇ ³óµµ·Î »ç¿ëÇÒ ¼ö ¾ø´Ù.
e Tris´Â ±Ý¼Ó À̿°ú ¾àÇÏ°Ô »óÈ£ÀÛ¿ëÇÏ¿© resinÀÇ capacity¸¦ °¨¼Ò½ÃŲ´Ù.

TALON¢ç cobalt resin°ú ȣȯµÇ ¾Ê´Â reagent

¾Æ·¡ÀÇ ½Ã¾àÀº ¾î¶² ³óµµ·Îµµ resin¿¡ Àû¿ëÀÌ ºÒ°¡´ÉÇÏ´Ù

  • DTT (dithiothreitol) and DTE (dithioerythritol)
  • ÁÖÀÇ: °­ÇÑ È¯¿øÁ¦¸¦ »ç¿ëÇÏ´Â °æ¿ì cobalt ±Ý¼Ó À̿°ú resinÀÇ °áÇÕÀ» ¹æÇØÇÑ´Ù.
  • EDTA (ethylenediaminetetraacetic acid), EGTA (ethylene glycol tetraacetic acid), PEI
  • ÁÖÀÇ:
    EDTA¸¦ »ç¿ëÇÒ ¼ö´Â ÀÖÀ¸³ª TALON¢ç Resin¿¡ Àû¿ëÇϱâ Àü¿¡ gel filtrationÀ» ÅëÇØ »ùÇÿ¡¼­ Á¦°ÅÇØ¾ß ÇÑ´Ù.