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Domain structure, GTP-hydrolyzing activity and 7S RNA binding of Acidianus ambivalens ffh-homologous protein suggest an SRP-like complex in archaea.
TLDR
Comparative sequence analysis reveals the presence of typical signal sequences in plasma membrane as well as extracellular proteins of hyperthermophilic crenarchaea which strongly supposes recognition events by an Ffh containing SRP-like particle in these organisms.
The signal recognition particle receptor alpha subunit of the hyperthermophilic archaeon Acidianus ambivalens exhibits an intrinsic GTP-hydrolyzing activity.
TLDR
Two adjacent genes of the acidophilic and hyperthermophilic crenarchaeon Acidianus ambivalens were cloned and sequenced and the deletion mutant protein SR alpha lacking the hydrophilic H-region displays a higher GTP-hydrolyzing activity when compared to the unmodified recombinant protein.
Nucleotide sequence of a gene cluster encoding ribosomal proteins in the thermoacidophilic crenarchaeon Sulfolobus acidocaldarius.
TLDR
A 1.6 kb genomic DNA fragment derived from the extremely thermoacidophilic archaeon Sulfolobus acidocaldarius (DSM 639) comprises four open reading frames that encode crenarchaeal ribosomal proteins with apparent molecular masses of 6.3 kDa, which all represent strongly basic properties.
A putative signal recognition particle receptor α subunit (SRα) homologue is expressed in the hyperthermophilic crenarchaeon Sulfolobus acidocaldarius
TLDR
A 1.64 kb genomic DNA sequence from the hyperthermophilic crenarchaeon Sulfolobus acidocaldarius is composed of two adjacent genes that encodes the putative signal recognition particle receptor α subunit (SRα) and the main transcript of orf-1 appears as a monocistronic RNA in Northern hybridization.
A putative signal recognition particle receptor alpha subunit (SR alpha) homologue is expressed in the hyperthermophilic crenarchaeon Sulfolobus acidocaldarius.
TLDR
A 1.64 kb genomic DNA sequence from the hyperthermophilic crenarchaeon Sulfolobus acidocaldarius is composed of two adjacent genes that encodes the putative signal recognition particle receptor alpha subunit (SR alpha) and the main transcript of orf-1 appears as a monocistronic RNA in Northern hybridization.