*ÀÌ Á¦Ç°Àº ¹ÝÀÀ¼ºÀ» ³ô¿© IVT (
in vitro transcription) ½ÇÇèÀ» °íÈ¿À²·Î ÁøÇàÇÒ ¼ö ÀÖµµ·Ï
T7 RNA Polymerase ver.2.0 (Code 2541A)À¸·Î ¾÷±×·¹ÀÌµå µÆ½À´Ï´Ù.
Á¦Ç°¼³¸í
º» È¿¼Ò´Â T7 promoter¸¦ Æ÷ÇÔÇÑ ÀÌÁß °¡´Ú DNA¸¦ ÁÖÇü, NTP¸¦ ±âÁú·Î »ç¿ëÇÏ¿© promoter ÇÏ·ùÀÇ ÁÖÇü DNA¿¡ »óº¸ÀûÀÎ ´ÜÀÏ °¡´Ú RNA¸¦ ÇÕ¼ºÇÑ´Ù. T7 promoter ¼¿¿¡ ³ôÀº ƯÀ̼ºÀ» º¸ÀÌ°í ´Ù¸¥ »ý¹° À¯·¡ÀÇ promoter¸¦ ÀνÄÇÏÁö ¾Ê´Â´Ù.
º¸Á¸
-20¡É
³óµµ
50 U/§¡
Çü»ó
20 mM |
Potassium Phosphate ¿ÏÃæ¿ë¾× (pH7.9) |
1 mM |
DTT |
0.1 mM |
EDTA |
100 mM |
NaCl |
50% |
Glycerol |
÷ºÎ buffer Á¶¼º (10x)
400 mM |
Tris-HCl (pH8.0) |
80 mM |
MgCl2 |
20 mM |
Spermidine |
50 mM |
DTT [º°Ã·] |
È°¼ºÀÇ Á¤ÀÇ
37¡É, pH8.0¿¡¼ 1 ½Ã°£ µ¿¾È 1 nmolÀÇ [3H]GMP¸¦ »ê¼ºÀÇ Ä§Àü¹°·Î(acid-insoluble products) ÇÕ¼ºÇÏ´Â È¿¼ÒÈ°¼ºÀ» 1 UÀ¸·Î ÇÑ´Ù.
È°¼º ÃøÁ¤¿ë ¹ÝÀÀ¾× Á¶¼º
40 mM |
Tris-HCl (pH8.0) |
8 mM |
MgCl2 |
5 mM |
DTT |
2 mM |
Spermidine |
°¢ 0.4 mM |
ATP, UTP, CTP |
0.4 mM |
[3H]GTP |
1 §¶/50 §¡ |
pT7-2 DNA |
¿ëµµ
- ´ÜÀÏ °¡´Ú RNAÀÇ ÇÕ¼º
- °ÇÏ°Ô Ç¥½ÄµÈ RNA probe Á¦ÀÛ
- siRNA Àü±¸Ã¼ Á¦ÀÛ
- RNA splicing ¹ÝÀÀÀÇ Àü±¸Ã¼ Á¦ÀÛ
- Cap analog¸¦ primer·Î ÀÌ¿ëÇÑ capped mRNAÀÇ Á¦ÀÛ
±â¿ø
Escherichia coli carrying the plasmid containing phage T7 RNA polymerase gene
ÀϹÝÀû ¼ºÁú
- ºÐÀÚ·®: ¾à 98,000
- subunit: single standed polypeptide
- ÃÖÀû pH: pH8.0
- º¸Á¶ÀÎÀÚ
Mg2+ (ÃÖÀû³óµµ: 8 mM)
ȯ¿øÁ¦ (5 mM DTT)
- È°¼ºÈÁ¦: 2 mM spermidine (4mM¿¡¼´Â DNA¿Í °øħ)
- ÀúÇØÁ¦: MEM (10-4 M), pCMB (5X10-8 M)¿¡¼ ºÒÈ°¼ºÈ
»ó´ë È°¼º
- ¹ÝÀÀ ¿Âµµ¿Í »ó´ë È°¼º (37¡ÉÀ» 100%·Î ÇßÀ» ¶§)
¹ÝÀÀ ¿Âµµ (¡É) |
20 |
25 |
37 |
»ó´ë È°¼º (%) |
10 |
50 |
100 |
- pH¿Í »ó´ëÈ°¼º
pH |
7.5 |
7.7 |
7.8 |
8.0 |
»ó´ë È°¼º (%) |
17 |
62 |
70 |
100 |