Words similar to prla

Example sentences for: prla

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In the secY wild type strain, proofreading by SecE/Y would block export of LA57-N 102LT, while in the prlA4 strain, the PrlA4 suppressor would allow export of a portion of LA57-N 102LTto the periplasm.
Although prlA and prlG strains export secretory proteins that completely lack a signal sequence, there is no evidence of export of any cytoplasmic proteins in a prl suppressor strain [ 13 ] . That is, proteins that are supposed to remain in the cytoplasm are not mislocalized to the periplasm.
Deletion of the signal sequence from phoA severely compromises export; export is restored in a prlA suppressor strain.
The PrlA (SecY) and PrlG (SecE) suppressors are compromised in their ability to proofread, allowing export of proteins with mutations, or even complete deletions, of the signal sequence.
The signal sequence is crucial for efficient translocation; mutations in the signal sequence significantly reduce export of the preprotein and complete deletions of the signal sequence eliminate essentially all export [ 5 6 7 8 ] . Selection for extragenic suppressors of such export defective preproteins led to the identification of the prl alleles of secY ( prlA ), secE ( prlG ), secA ( prlD ), and more recently secG ( prlH ) [ 6 9 10 11 ] . Early hypotheses predicted that the Prl suppressors function by expanded or altered interactions with signal sequences, facilitating recognition of mutant as well as wild type signal sequences [ 6 ] .