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3.4.23.B11: spumapepsin

This is an abbreviated version!
For detailed information about spumapepsin, go to the full flat file.

Word Map on EC 3.4.23.B11

Reaction

Good cleavage at the peptide bonds: Asn-Thr, Asn-Gln, Asn-Cys and Asn-Ala =

Synonyms

core polyprotein, Gag polyprotein, HFV PR, HSRV protease, human foamy virus protease, human foamy virus protease PR, human foamy virus proteinase, More, spumapepsin

ECTree

     3 Hydrolases
         3.4 Acting on peptide bonds (peptidases)
             3.4.23 Aspartic endopeptidases
                3.4.23.B11 spumapepsin

Cloned

Cloned on EC 3.4.23.B11 - spumapepsin

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CLONED (Commentary)
ORGANISM
UNIPROT
LITERATURE
expressed in Escherichia coli, wild-type and mutant enzymes, in fusion with maltose binding protein
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expression as His6-tagged enzyme in Escherichia coli
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expression in Escherichia coli
expression of a 141 residue long part of the HFV as a fusion protein with maltose binding protein in Escherichia coli
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gene pol encoding the Pro-Pol polyprotein which includes the enzyme subunits, expression regulation and splicing, overview. The foamy viral purine-rich C element, also encoded by gene pol, regulates splicing by suppressing the branch point recognition of the strongest env splice acceptor. It is essential for the formation of unspliced gag and singly spliced pol transcripts
the enzyme is cloned into a modified thioredoxin fusion vector that carries a His-tag in the centrally located surface loop of the Escherichia coli trxA protein, bacterially expressed as a soluble fusion protein
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Virion-associated RT assay is performed in BHK cells, ATCC CCL-10. Analysis of titers of wild-type and mutant proviruses transiently transfected into HEK-293T cells. Titers of Pol cleavage site mutants after infection measured in HEL cells.