₩337,183
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추천 제품
재조합
expressed in E. coli
Quality Level
양식
solution
사용
sufficient for 20 reactions (03333566001)
sufficient for 60 reactions (03333574001)
포장
pkg of 24,000 U (03333574001 [400 U per reaction])
pkg of 8,000 U (03333566001 [400 U per reaction])
제조업체/상표
Roche
응용 분야
genomic analysis
저장 온도
−20°C
일반 설명
Terminal Transferase catalyzes the template independent addition of deoxy- and dideoxynucleoside triphosphates to the 3′-OH ends of double and single-stranded DNA fragments, and oligonucleotides. Terminal Transferase incorporates digoxigenin-, biotin-, and fluorochrome-labeled deoxy- and dideoxynucleoside triphosphates as well as radioactively labeled deoxy- and dideoxynucleoside triphosphates. The supplied 5x-concentrated reaction buffer allows the optimal tailing of all types of double-stranded DNA ends: blunt ended, with 3′ overhang, or with 5′ overhang. The highest incorporation rates are obtained with 3′ overhangs.
애플리케이션
Use terminal transferase to add nucleotides to the 3′-OH ends of double- or single-stranded DNA fragments, for example:
Labeling of double- and single-stranded DNA and oligonucleotides with either radioactive or chemically modified dideoxynucleotides (e.g., DIG-ddUTP)
- Tailing with dNTPs:Addition of homopolymeric tails to DNA fragments[1][2][3]
- Labeling of double- and single-stranded DNA and oligonucleotides with either radioactive or chemically modified nucleotides (e.g., DIG-dUTP)
Labeling of double- and single-stranded DNA and oligonucleotides with either radioactive or chemically modified dideoxynucleotides (e.g., DIG-ddUTP)
특징 및 장점
Incorporation of labeled or modified nucleotides
In addition to standard nucleotides, terminal transferase wlll add radioactive or modified (e.g., digoxigenin-, biotin-, or fluorochrome-labeled) dNTPs or ddNTPs to DNA.
In addition to standard nucleotides, terminal transferase wlll add radioactive or modified (e.g., digoxigenin-, biotin-, or fluorochrome-labeled) dNTPs or ddNTPs to DNA.
포장
1 kit containing 3 components
품질
Absence of 5′ and 3′ exonucleases, endonucleases, and nicking activities tested according to the current Quality Control procedures.
원리
Oligonucleotides are enzymatically labeled at their 3′ end using terminal transferase by incorporation of a single digoxigenin-labeled dideoxyuridine-triphosphate. Another way to label oligonucleotides is the addition of a longer nucleotide tail. For the generation of tailed oligonucleotide probes, deoxynucleotides triphosphates are used in a template independent reaction.
단위 정의
One unit is the enzyme activity that incorporates 1 nMol dTMP into acid-insoluble products within 30 minutes at +37 °C under assay conditions using d(pT)6 as primer. Unit assay conditions: 200 mM Potassium cacodylate, 1 mM CoCl2, 1 mM dTTP, 0.1 OD d(pT)6, 6.25 pmol 3H dTTP in a 120 μl reaction volume.
Unit Assay: Unit assay conditions: 200 mM Potassium cacodylate, 1 mM CoCl2, 1 mM dTTP, 0.1 OD d(pT)6, 6.25 pmol 3H dTTP in a 120 μl reaction volume.
Volume Activity: 400 U/μl
Sample Materials
Unit Assay: Unit assay conditions: 200 mM Potassium cacodylate, 1 mM CoCl2, 1 mM dTTP, 0.1 OD d(pT)6, 6.25 pmol 3H dTTP in a 120 μl reaction volume.
Volume Activity: 400 U/μl
Sample Materials
- Double- or single-stranded DNA fragments
- Double- or single-stranded oligonucleotides
제조 메모
Working solution: Standard Tailing reaction with radioactive nucleotides
Preparation of CoCl2 working solution
Add in a sterile vial 10 μl double dist. water and 15 μl of the supplied 25 mM CoCl2 solution: Final concentration: 15 mM
Preparation of radioactive labeling mix
dATP and dTTP labeling mix: mix 1 Vol. of a 2.5 mM dATP or dTTP solution with 15 volumes of double-distilled water and 4 volumes of α-32P-dATP or α-32P-dTTP (800 Ci/mmol, approx. 30 TBq/mmol).
dGTP and dCTP labeling mix: mix 1 volume of a 2 mM dGTP or dCTP solution with 15 volumes of double-distilled water and 4 volumes of α-32P-dGTP or α-32P-dCTP (800 Ci/mmol, approx. 30 TBq/mmol)
Preparation of CoCl2 working solution
Add in a sterile vial 10 μl double dist. water and 15 μl of the supplied 25 mM CoCl2 solution: Final concentration: 15 mM
Preparation of radioactive labeling mix
dATP and dTTP labeling mix: mix 1 Vol. of a 2.5 mM dATP or dTTP solution with 15 volumes of double-distilled water and 4 volumes of α-32P-dATP or α-32P-dTTP (800 Ci/mmol, approx. 30 TBq/mmol).
dGTP and dCTP labeling mix: mix 1 volume of a 2 mM dGTP or dCTP solution with 15 volumes of double-distilled water and 4 volumes of α-32P-dGTP or α-32P-dCTP (800 Ci/mmol, approx. 30 TBq/mmol)
기타 정보
For general laboratory use. Double-stranded DNA may have either blunt-, 3′-protruding, or 5′-protruding ends. However, 3′-protruding ends lead to the highest incorporation rates.TdT requires an oligonucleotide of at least three bases as a primer, and single-stranded DNA is tailed more efficiently than double-stranded.
키트 구성품 전용
제품 번호
설명
- Terminal Transferase 400 U/μl
- TdT Reaction Buffer 5x concentrated
- CoCl<sub>2</sub> Solution 25 mM
신호어
Danger
유해 및 위험 성명서
Hazard Classifications
Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 2 - Carc. 1B Inhalation - Repr. 1B
Storage Class Code
6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
WGK
WGK 3
Flash Point (°F)
does not flash
Flash Point (°C)
does not flash
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