hero image

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
PCR Anti-Inhibitor
PCR Anti-Inhibitor
For counteracting substances that inhibit PCR reactions
T4 Gene 32 Protein
T4 Gene 32 Protein
For increasing PCR amplification and DNA sequencing efficiency
Terminal Deoxynucleotidyl Transferase (TdT)
Terminal Deoxynucleotidyl Transferase (TdT)
For facilitating the labeling of DNA probes and tailing of DNA fragments
Thermostable Pyrophosphatase
Thermostable Pyrophosphatase
For prevention or removal of inorganic pyrophosphate (PPi) from DNA or RNA synthesis reactions
Uracil Cleavage System
Uracil Cleavage System
For creating an abasic site with an intact phosphodiester backbone and liberating the deoxyribose sugar
Taq DNA Ligase
Taq DNA Ligase
For joining or ligation of DNA fragments, particularly in DNA sequencing and cloning techniques
T7 RNA Polymerase
T7 RNA Polymerase
For in vitro transcription and synthesizing RNA from a DNA template
T4 DNA Ligase
T4 DNA Ligase
For restriction and TA cloning and adapter ligation
E. coli Single-Stranded DNA Binding Protein
E. coli Single-Stranded DNA Binding Protein
For binding and stabilizing single-stranded DNA (ssDNA) during various DNA polymerase-mediated reactions
Proteinase K and Proteinase K Ultrapure
Proteinase K and Proteinase K Ultrapure
For efficient digestion of proteins in biological samples and for eliminating DNases and RNases during nucleic acid isolation
EnzScript Reverse Transcriptase
EnzScript Reverse Transcriptase
For reverse transcription from RNA for first strand cDNA synthesis and RT-PCR
T4 DNA Ligase MBG
T4 DNA Ligase MBG
For joining both blunt-ended and cohesive-ended restriction fragments of DNA
End-Repair Mix
End-Repair Mix
For converting DNA with 5′- and/or 3′-protruding ends to 5′-phosphorylated, blunt-ended DNA
Exonuclease I
Exonuclease I
For removal of single-stranded primers in PCR reactions
E. coli DNA Ligase
E. coli DNA Ligase
For cDNA cloning by replacement synthesis
Klenow Fragment
Klenow Fragment
For removal of 3’ overhangs and filling in of 5’ overhangs
T3 DNA Ligase
T3 DNA Ligase
For cloning ligation and nick-sealing in double-stranded DNA
StableScript Reverse Transcriptase
StableScript Reverse Transcriptase
For reverse transcription in one-step RT-qPCR and long-range RT-PCR
Reverse Transcription Kit
Reverse Transcription Kit
For synthesis of first-strand cDNA from the total RNA or mRNA templates
T4 Polynucleotide Kinase
T4 Polynucleotide Kinase
For phosphorylation of the 5’-terminus of polynucleotides with ATP gamma-phosphate
RNase Inhibitor
RNase Inhibitor
For use in applications where the presence of RNases may pose a risk to RNA quality
RNase H MBG
RNase H MBG
For the removal of mRNA after first-strand cDNA synthesis
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
Reverse Transcriptase
Reverse Transcriptase
For synthesis of complementary DNA strand in the presence of a primer using either RNA or single-stranded DNA
RNase A MBG
RNase A MBG
For removal of RNA during the isolation procedures of plasmid and genomic DNA
Exonuclease III
Exonuclease III
For directional digestion of nucleic acids and analysis of DNA-protein interactions
RNase Inhibitor Hu
RNase Inhibitor Hu
For maximum RNA protection where intact RNA is required
Poly(A) Polymerase
Poly(A) Polymerase
For making polyA tailed RNA and 3’ end RNA labeling
DNA Polymerase I
DNA Polymerase I
For labeling of DNA
TaqNova HS DNA Polymerase
TaqNova HS DNA Polymerase
For high PCR-specificity applications with fast enzyme activation time
TaqNova Master Mix
TaqNova Master Mix
For facilitating easy and rapid PCR reaction setup using a ready-to-use PCR master mix
Stoffel DNA Polymerase
Stoffel DNA Polymerase
For DNA synthesis in extremely high temperatures
TaqNova DNA Polymerase
TaqNova DNA Polymerase
For standard and specialized PCR applications
RNase H
RNase H
For cleaving the RNA strand of DNA:RNA hybrids
Tth DNA Ligase
Tth DNA Ligase
For ligase chain reaction and ligase detection reaction
T4 DNA Polymerase
T4 DNA Polymerase
For cloning, DNA labeling and recombination applications