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Long PCR Master Mix (x2), High Fidelity & Long PCR, cat.#3303/200rxns of 50§¡
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BEAMSBIO Long PCR Master Mix (2X)

Store at –20¡É for storage, but 4¡É for daily or weekly use

#3303
5ml

4vials of 1.25 ml/vial : 5 ml for 500 reactions of 20 µl.
Supplied with 0.3 ml of loading dye(x6)

* Recipe :  Optimal Blend of Taq DNA Polymerase & Pfu DNA Polymerase,
1.6 mM dNTP mix and 2x Reaction buffer


Features

l      Enzyme mix optimized blend of Taq DNA Polymerase & Pfu DNA Polymerase

l      Reproducible, nuclease-free, minimizing pipetting error & tedious manipulation

l      PCR products with mix of blunt ends and 3¡¯-dA overhangs. TA cloning is possible. But 3¡¯-dA overhangs with Taq Pol. or blunt-end cutting prior cloning recommended

Description

Long PCR Master Mix (2X) is a 2X concentrated solution including unique blend of Taq DNA Polymerase and Pfu DNA polymerase with 3¡¯à5¡¯ exonuclease proofreading activity, dNTPs and the reaction buffer for PCR. The BEAMSBIO Long PCR Master Mix(2x) facilitates PCR formulation and minimizes error and inconvenience in PCR operation. The unique blend of two enzymes synergistically enable longer PCR with greater yield and fidelity than Taq DNA Polymerase alone, showing more than four-times the fidelity of Taq DNA Polymerase

Applications

l        PCR products with high fidelity for cloning, expression, site-directed mutagenesis.

l        Generating mainly 3'-dA tailed PCR products and partly blunt-ended

l        PCR with high reproducibility & higher yields,

l        High throughput & long range PCR, RT-PCR.

Quality Control

The BEAMSBIO Long PCR Master Mix(2x) is confirmed free of endodeoxyribonucleases, exodeoxyribonucleases and ribonucleases by strict quality tests, which shows satisfactory PCR results upto 30 kb with viral DNA templates and up to 10 kb with genomic DNA templates.

Mg2+ conc. in Long PCR Master Mix

Mg2+ conc. is 4mM in our Long PCR Master Mix.  To amplify cDNA, Mg2+ may need to be added to a final 3mM in each PCR reaction mixture.


PCR Protocol using Long PCR Master Mix

1. Prepare PCR tubes for the experimental samples to be amplified.
ÁõÆøÇÒ ½ÇÇè½Ã·á¿¡ ÀûÇÕÇÑ PCRÆ©ºê¸¦ ÁغñÇÑ´Ù.

2. Add the components in order according to following recipe :
´ÙÀ½ ¼ººÐÇ¥¸¦ ÂüÁ¶ÇÏ¿© ½ÇÇè¿ë Àç·á¸¦ ¼ø¼­´ë·Î ³Ö´Â´Ù
.

  Distilled water,                                       17~24
§¡ *(balance to total vol. 50§¡)
  Long PCR Master Mix,                                25
§¡ (ÅõÀÔ ÈÄ °¡º±°Ô ¼¯´Â´Ù
)
  DNA templates(10~200ng/§¡),             0.2~1 §¡
  Primer, forward(10pmol/
§¡),                 0.2~2 §¡
  Primer, backward(10pmol/
§¡),             0.2~2 §¡
-----------------------------------------------------------------------------
                                                            total     50
§¡
 * Primers(template
¿Í ¹Ì¸® ¹èÇÕ »ç¿ë°¡´É)¸¦ ¸¶Áö¸·¿¡ ³Ö´Â °ÍÀÌ ÁÁ´Ù.
 * Magic buffer,   2~5 §¡ (ÇÊ¿ä ½Ã¿¡¸¸ Àû·® »ç¿ë)

3. Mix gently and rapidly. Centrifuge down PCR tubes immediately after mixing.
°¡º±°í ½Å¼ÓÇÏ°Ô ¼¯°í, Áï½Ã ª°Ô ¿ø½ÉºÐ¸®ÇÏ¿© ¹ÝÀÀ¹°À» ¾Æ·¡·Î ¸ðÀº´Ù.

4. Perform PCR using optimized cycling conditions.  Suggested cycling parameters for PCR using PCR Master Mix are :
´ÙÀ½ ¿îÀüÁ¶°ÇÀ» ÂüÁ¶ÇÏ¿© Long PCR Master Mix ÃÖÀû PCR¿îÀüÁ¶°ÇÀ» ¼³Á¤ÇÏ¿© ½ÇÇèÀ» ¼öÇàÇÑ´Ù
.

  - Step 1 :  initial denaturation,              94~95
¡É for 2~5 min.
  - Step 2 :  denaturation,                          94
¡É
for 45 sec.
                    annealing,                              Tm-5
¡É
for 45 sec.
                    extension,                              68~74
¡É
for 0.5~1 min/kb
                     * 10~15½ÎÀÌŬ ¼öÇà ÈÄ 20~30Ãʾ¿ ´Ã·Á°¡¸é¼­
                        15~20 ½ÎÀÌŬ Ãß°¡·Î ¼öÇàÇÔ(Á¶°Ç ÃÖÀûÈ­ ÇÊ¿ä)
  - Step 3 :  final extension,                          72
¡É for 5~10 min.

5. Cool down below 15¡É until harvest.

Long PCR Troubleshooting

1. PCR band°¡ ÀüÇô ¾ø´Â °æ¿ì :
- Primers, template DNA ¹èÇÕ¿¡ Âø¿À°¡ ¾ø´ÂÁö È®ÀÎÇÑ´Ù.  ¼ººÐ´©¶ô ¿©ºÎ
?
- PCR
¿îÀüÁ¶°ÇÀÌ ÀûÇÕÇÏ¿´´ÂÁö È®ÀÎÇÑ´Ù.  PCR¹ÝÀÀ±â ¿îÀü ½Ç¼ö ¿©ºÎ
?
- Primers Design
ÀûÇÕ ¿©ºÎ
?
- GC-rich DNA
µî °í³­À̵µ ÁõÆø½Ã¿¡´Â magic buffer¸¦ 5~20%Á¤µµ »ç¿ë

 *
ÁÖÀÇ : magic buffer´Â ¿¹¿ÜÀûÀÎ °æ¿ì¿¡¸¸ ¼±º°Àû »ç¿ëÇÔ.

2. PCR band°¡ »Ñ¿¸°Ô ²ø¸± ¶§ :
- Target bandº¸´Ù ¾Æ·¡ÂÊ¿¡¼­ ÀÛÀº non-specific band°¡ ¸¹ÀÌ °üÂûµÉ ¶§´Â
,
             . primer design
À» Àç°ËÅäÇÑ´Ù
.
             . DNA template
ºÒ¼ø¹°ÀÌ ³ôÀ¸¸é ¼øµµ¸¦ ³ôÀδÙ
.
             . annealing temp.
¸¦ 1~2¡É ³ô¿© º»´Ù
.
             . extension
¿Âµµ¸¦ Á¶±Ý ³ôÀ̰ųª ¹ÝÀÀ½Ã°£À» Á¶±Ý ´Ã¸°´Ù

             .
±æÀÌ°¡ ±æ°Å³ª ÁõÆøÀÌ ¾î·Á¿î DNA templateÀ̶ó¸é Long PCR
               Master Mix
·Î º¯°æÇÏ¿© ´Ù½Ã ½ÃµµÇÑ´Ù
.
- Target band
º¸´Ù ÀüüÀûÀ¸·Î ²ø¸± ¶§´Â
,
             . PCR
¹ÝÀÀ¿Âµµ¸¦ Á¶Á¤ÇÑ´Ù. Annealing ¿Âµµ¸¦ Tm-5¡É ºÎ±Ù¿¡¼­

              1~2
¡É ³·Ãá´Ù.
             . extension
¿Âµµ¸¦ 68~72¡É ³»¿¡¼­ ³·Ãß°í,¹ÝÀÀ½Ã°£À» Á» ÁÙÀδÙ
.
              DNA template
±æÀÌ°¡ 1kbÀÌ»óÀ̸é 0.5~1 min/kb ¹üÀ§¿¡¼­ ´Ù¼Ò

             
ÁÙÀÌ°í, 20 cycleÀÌÈÄ¿¡¼­ ¸Å cycle´ç 10~20sec.¾¿ ´Ã¸°´Ù.
- PCR target band
´Â Àß ³ª¿À³ª ²ø¸² Çö»óÀÌ ½ÉÇÒ ¶§
,
             . DNA template and/or Primers
»ç¿ë·®À» Á» ÁÙÀδÙ
.
             . PCR
¹ÝÀÀ¿Âµµ and/or ¹ÝÀÀ½Ã°£À» ÁÙÀδÙ
.
             . PCR tube
Áغñ ½Ã¿¡ ÇÊÈ÷ ice bath¸¦ »ç¿ëÇÑ´Ù
.
             . Agarose Gel
¿¡ loadingÇÑ PCR product ¾çÀÌ ³Ê¹« ¸¹Áö ¾ÊÀºÁö?

3. PCR band°¡ ¾àÇÒ ¶§ :

..... ÀÌÇÏ »ý·«.  Á¦Ç° ¸Å´º¾ó ÂüÁ¶ .....


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A return authorization is required before shipping.  Please do not return any product without first contacting Beams Biotechnology or distributor for a return authorization.  All return authorizations must be issued directly from Beams Biotechnology.  In the case of a purchasing error, it is our policy to deny return of product.  Due to the temperature sensitivity of the products, we are unable to resell returned goods, as we are not assured of the quality.






 
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