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Invitrogen™ T4 DNA Ligase (1U/μL) DFS Item

Ideal for cloning (blunt-end or cohesive-end ligation) and adding linkers or adapters to blunt-ended DNA

$65.25 - $1,170.00


Storage Requirements Store at -20°C
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For Research Use Only. Not for use in diagnostic procedures.

Includes: Vial of 5X reaction buffer (250mM Tris-HCl (pH 7.6), 50mM MgCl2, 5mM ATP, 5mM DTT, 25% (w/v) polyethylene glycol-8000)

Products ${productFamilyLength}
Catalog Number Mfr. No. Quantity Price Quantity  
Catalog Number Mfr. No. Quantity Price Quantity  
15224017 Life Technologies
100 units Each for $65.25
15224090 Life Technologies
4 x 500 units Each for $1,170.00
15224025 Life Technologies
500 units Each for $237.00


T4 DNA Ligase catalyzes the formation of phosphodiester bonds in the presence of ATP between double-stranded DNAs with 3'hydroxyl and 5'phosphate termini. Single-stranded nucleic acids are not substrates for this enzyme.

  • Optimizes ligation in 5 minutes
  • Source: Purified from E. coli lambda lysogen NM989
  • Performance and quality testing: Endodeoxyribonuclease, 3' and 5' exodeoxyribonuclease assays; ligation efficiency tested
  • Unit definition: One unit catalyzes exchange of 1nmol 32P-labeled pyrophosphate into ATP in 20 min. at 37°C. One unit is equal to approximately 300 cohesive-end ligation units
  • Unit reaction conditions: 66mM Tris-HCl (pH 7.6), 6.6mM MgCl2, 10mM DTT, 66μM ATP, 3.3μM 32P-labeled pyrophosphate, and enzyme in 0.1mL for 20 min. at 37°C

ChIP-on-Chip, Chromatin Biology, Cloning, RNAi, Epigenetics & Noncoding RNA Research, Restriction Enzyme Cloning

Order Info

Shipping Conditions: Dry ice

Description & Specifications


Store at -20°C