RNase U2 is an endoribonuclease secreted by the fungus Ustilago sphaerogena. Its genomic DNA (rnu2), containing an intron of 116 bp, has been isolated and cloned. The corresponding cDNA has also been synthesized. The recombinant RNase U2 was successfully produced in Pichia pastoris, fused to the yeast alkaline phosphatase signal peptide. The recombinant RNase U2, purified by affinity chromatography, contains three extra amino acids at its amino-terminal end and retains the enzymatic and spectroscopic properties of the natural fungal protein.
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RNase U2 is an endoribonuclease secreted by the fungus Ustilago sphaerogena. Its genomic DNA (rnu2), containing an intron of 116 bp, has been isolated and cloned. The corresponding cDNA has also been synthesized. The recombinant RNase U2 was successfully produced in Pichia pastoris, fused to the yeast alkaline phosphatase signal peptide. The recombinant RNase U2, purified by affinity chromatography, contains three extra amino acids at its amino-terminal end and retains the enzymatic and spectroscopic properties of the natural fungal protein.
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| uniprot:name |
FEMS Microbiol. Lett.
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| uniprot:author |
Davies J.,
Garcia-Ortega L.,
Gavilanes J.G.,
Kao R.,
Mancheno J.M.,
Martinez del Pozo A.,
Martinez-Ruiz A.,
Onaderra M.
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| uniprot:date |
2000
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| uniprot:pages |
165-169
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| uniprot:title |
Ribonuclease U2: cloning, production in Pichia pastoris and affinity chromatography purification of the active recombinant protein.
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| uniprot:volume |
189
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