Control of protein splicing by intein fragment reassembly
نویسندگان
چکیده
منابع مشابه
Control of protein splicing by intein fragment reassembly.
Inteins are protein splicing elements that mediate their excision from precursor proteins and the joining of the flanking protein sequences (exteins). In this study, protein splicing was controlled by splitting precursor proteins within the Psp Pol-1 intein and expressing the resultant fragments in separate hosts. Reconstitution of an active intein was achieved by in vitro assembly of precursor...
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15 صفحه اولBranching out of the intein active site in protein splicing.
Inteins perform a macromolecular vanishing act that continues to impress as its secrets are revealed. Dispersed through all domains of life, these autocatalytic domains exit the folds of ostensibly unrelated proteins soon after translation. Inteins bust at the seams, severing peptide bonds that immediately precede and follow their sequence. Critically, they also sew up the damage; the two polyp...
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Adjacent intein fragments fused to a Snf2/Rad54 helicase-related protein and Snf2/Rad54 helicase were reported for Deinococcus radiodurans R1, leading to the speculation that a frameshift was required for splicing or that trans splicing occurred. However, a type strain (ATCC 13939, RF18410) yielded a single protein that splices by the Ala1 protein splicing pathway, with splicing dependent on ad...
متن کاملDesign of a Split Intein with Exceptional Protein Splicing Activity
Protein trans-splicing (PTS) by split inteins has found widespread use in chemical biology and biotechnology. Herein, we describe the use of a consensus design approach to engineer a split intein with enhanced stability and activity that make it more robust than any known PTS system. Using batch mutagenesis, we first conduct a detailed analysis of the difference in splicing rates between the Np...
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ژورنال
عنوان ژورنال: The EMBO Journal
سال: 1998
ISSN: 1460-2075
DOI: 10.1093/emboj/17.4.918