RNase R is expressed in Escherichia coli with its sequence derived from the rnr gene of E. coli.

DNase I is a non-specific endonuclease that degrades double-stranded DNA, single-stranded DNA and chromosomal DNA.

T7 RNA Polymerase V2 is expressed in Escherichia coli, with its sequence derived from a mutant of T7 bacteriophage RNA polymerase gene.

Vaccinia Capping Enzyme is expressed in Escherichia coli and consists of two subunits, D1 and D12.

2'-O-Methyltransferase is expressed in Escherichia coli. Using S-adenosylmethionine (SAM) as the methyl donor

Recombinant RNase Inhibitor is expressed in Escherichia coli, with its sequence derived from the mouse RNase inhibitor gene.

Recombinant Inorganic Pyrophosphatase is expressed in Escherichia coli, with its sequence derived from the yeast inorganic pyrophosphatase gene.

T4 RNA Ligase 1 is expressed in Escherichia coli and derived from the T4 bacteriophage RNA Ligase 1 gene.

T4 RNA Ligase 2 is derived from T4 bacteriophage and recombinantly expressed in Escherichia coli.

Recombinant T4 RNA Ligase 2, truncated K227Q is a truncated form of T4 RNA Ligase 2 recombinantly expressed in Escherichia coli, containing the K227Q mutation.

Recombinant RNase III is expressed in Escherichia coli and derived from the E. coli RNase III gene.