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Enzymes for Molecular Biology

Enzymes used for molecular biology applications

Are you looking for enzymes that will drive your work to success? We offer a range of enzymes for molecular biology and life science applications that are high in activity, consistent in quality, reliably pure and backed by the QIAGEN name.

Our enzyme products are engineered to produce the best native, novel or altered enzymes. These are available to science and industry to catalyze a wide range of specific uses in analytical devices and assays that have clinical, forensic and environmental applications.

Browse Enzymes for Molecular Biology

Your enzyme search – no restrictions

Navigate applications with confidence. Our comprehensive catalog helps you find the right enzymes, kits and reagents for your workflow.

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Turn your findings into savings.

Get 5% off the enzyme of your choice. Use the code ENZ2526 at checkout.
Offer valid from December 1, 2025, to March 31, 2026. T&Cs* apply.

Reverse Transcription Kit
Reverse Transcription Kit
For synthesis of first-strand cDNA from the total RNA or mRNA templates
EnzScript Reverse Transcriptase
EnzScript Reverse Transcriptase
For reverse transcription from RNA for first strand cDNA synthesis and RT-PCR
StableScript Reverse Transcriptase
StableScript Reverse Transcriptase
For reverse transcription in one-step RT-qPCR and long-range RT-PCR
RNase Inhibitor
RNase Inhibitor
For use in applications where the presence of RNases may pose a risk to RNA quality
End-Repair Mix
End-Repair Mix
For converting DNA with 5′- and/or 3′-protruding ends to 5′-phosphorylated, blunt-ended DNA
Uracil Cleavage System
Uracil Cleavage System
For creating an abasic site with an intact phosphodiester backbone and liberating the deoxyribose sugar
T4 DNA Polymerase
T4 DNA Polymerase
For cloning, DNA labeling and recombination applications
T3 DNA Ligase
T3 DNA Ligase
For cloning ligation and nick-sealing in double-stranded DNA
Klenow Fragment
Klenow Fragment
For removal of 3’ overhangs and filling in of 5’ overhangs
E. coli DNA Ligase
E. coli DNA Ligase
For cDNA cloning by replacement synthesis
T4 RNA Ligase 2, Truncated
T4 RNA Ligase 2, Truncated
For specific ligation of the adenylated 5´ end of an adapter to the 3´ end of RNA
T4 DNA Ligase
T4 DNA Ligase
For restriction and TA cloning and adapter ligation
VeraSeq™ ULtra DNA Polymerase
VeraSeqâ„¢ ULtra DNA Polymerase
Ultrathermostable uracil-literate polymerase for high-fidelity PCR
WGS Fragmentation Mix
WGS Fragmentation Mix
For fragmentation, end-repair and A-tailing for NGS library preparation in a single reaction
Manta 1.0 DNA Polymerase
Manta 1.0 DNA Polymerase
Strong strand-displacement activity for isothermal amplification.
ER/A-Tailing Enzyme Mix
ER/A-Tailing Enzyme Mix
For end-repair and dA-tailing in a one-step reaction
Stoffel DNA Polymerase
Stoffel DNA Polymerase
For DNA synthesis in extremely high temperatures
TaqNova Master Mix
TaqNova Master Mix
For facilitating easy and rapid PCR reaction setup using a ready-to-use PCR master mix
T4 RNA Ligase 1
T4 RNA Ligase 1
For the ligation of RNA molecules, facilitating the joining of RNA fragments or the addition of RNA adapters
Lambda Exonuclease
Lambda Exonuclease
For conversion of linear double-stranded DNA to single-stranded DNA.
TaqNova HS DNA Polymerase
TaqNova HS DNA Polymerase
For high PCR-specificity applications with fast enzyme activation time
TaqNova DNA Polymerase
TaqNova DNA Polymerase
For standard and specialized PCR applications
EZ1&2 DNA FFPE Kits
EZ1&2 DNA FFPE Kits
For automated purification of gDNA from FFPE tissues using the EZ1 Advanced XL or EZ2 Connect instrument
Exonuclease III
Exonuclease III
For directional digestion of nucleic acids and analysis of DNA-protein interactions
DNA Polymerase I
DNA Polymerase I
For labeling of DNA
Poly(A) Polymerase
Poly(A) Polymerase
For making polyA tailed RNA and 3’ end RNA labeling
WGS Ligase
WGS Ligase
For NGS adapter ligation
VeraSeq™ 2.0 High-Fidelity DNA Polymerase
VeraSeqâ„¢ 2.0 High-Fidelity DNA Polymerase
Ultrathermostable polymerase for high-fidelity PCR
StableScript™ One-Step RT-qPCR Mix
StableScriptâ„¢ One-Step RT-qPCR Mix
A highly efficient and sensitive RT-qPCR formulation for detection using hydrolysis probes with robust inhibitor resistance
VeraSeq™ PCR Mix
VeraSeqâ„¢ PCR Mix
Ultrathermostable mastermix for high-fidelity PCR
E. coli Pyrophosphatase
E. coli Pyrophosphatase
For effectively hydrolyzing inorganic pyrophosphate (PPi), helping maintain the enzymatic activity
T7 DNA Polymerase
T7 DNA Polymerase
For exceptionally high synthesis and replication fidelity rates due to highly processive DNA polymerase
T4 RNA Ligase 2
T4 RNA Ligase 2
For the ligation of single-stranded or double-stranded RNA molecules, as well as RNA-DNA hybrids
Thermolabile UDG
Thermolabile UDG
For removal of uracil from DNA and carry over prevention in PCR
dsDNase
dsDNase
For the rapid and RNA-safe degradation of genomic DNA
Saltonase (MBG and GMP-grade)
Saltonase (MBG and GMP-grade)
For the nucleic acids removal in biopharmaceutical production
dsDNase HL
dsDNase HL
For the rapid and safe purification of RNA or protein samples from contaminating DNA
PCR Anti-Inhibitor
PCR Anti-Inhibitor
For counteracting substances that inhibit PCR reactions
Klenow Fragment (3'→5' exo–)
Klenow Fragment (3'→5' exo–)
For fluorescent labeling of DNA and dA/dT tailing for ligation of DNA
Taq-B DNA Polymerase
Taq-B DNA Polymerase
For routine PCR amplification of DNA fragments up to 5 kb
T4 Gene 32 Protein
T4 Gene 32 Protein
For increasing PCR amplification and DNA sequencing efficiency
TaqIT DNA Polymerase
TaqIT DNA Polymerase
5ʹ→3ʹ exonuclease-deficient derivative of Taq DNA polymerase
Uracil DNA Glycosylase
Uracil DNA Glycosylase
For catalyzing the hydrolysis of the N-glycosylic bond between uracil and the sugar
Endonuclease VIII
Endonuclease VIII
For generating and cleaving AP sites leaving 3ʹ and 5ʹ phosphates
T7 DNA Ligase
T7 DNA Ligase
For cloning ligation and nick-sealing in double-stranded DNA
RecA
RecA
For strand exchange and recombination reactions.
Phi29 DNA Polymerase
Phi29 DNA Polymerase
For highly processive isothermal amplification with powerful strand displacement activity and a high fidelity 3ʹ→5ʹ proofreading exonuclease function
Phoenix Hot Start Taq DNA Polymerase
Phoenix Hot Start Taq DNA Polymerase
For increased specificity in PCR reactions
Bst X DNA Polymerase
Bst X DNA Polymerase
For LAMP isothermal amplification needing strong strand displacement activity
M-MuLV Reverse Transcriptase
M-MuLV Reverse Transcriptase
First-strand DNA synthesis
Tth DNA Ligase
Tth DNA Ligase
For ligase chain reaction and ligase detection reaction
T4 DNA Ligase MBG
T4 DNA Ligase MBG
For joining both blunt-ended and cohesive-ended restriction fragments of DNA
RNase Inhibitor Hu
RNase Inhibitor Hu
For maximum RNA protection where intact RNA is required
UDGase
UDGase
For the catalyzation of the release of uracil from uracil-containing single-stranded or double-stranded DNA
RNase H MBG
RNase H MBG
For the removal of mRNA after first-strand cDNA synthesis
RNase H
RNase H
For cleaving the RNA strand of DNA:RNA hybrids
*Offer valid on orders placed from December 1, 2025, to March 31, 2026, or while stocks last. Offer void where prohibited and cannot be combined with any other promotion. Offer is only valid in the following countries: Australia, Austria, Belgium, Canada, Denmark, Finland, France, Germany, Italy, Luxembourg, Netherlands, New Zealand, Norway, Poland, South Africa, Sweden, Switzerland, United Kingdom, United States of America. Freight and delivery costs are not included. It is the customer's responsibility to ensure that acceptance of this offer will not violate any internal policies of the customer's organization and applicable laws and regulations.

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