Results 11 to 20 of about 6,523,049 (268)

Biotechnological Uses of Archaeal Proteins. [PDF]

open access: yesArchaea, 2015
Many industrial/biotechnological processes take place under extreme conditions of temperature, pH, salinity, or pressure which are not suitable for activities of proteins from model eukaryotic or common neutrophilic, mesophilic, and prokaryotic ...
Pecorari F, Arcus VL, Wiegel J.
europepmc   +7 more sources

Diversity and subcellular distribution of archaeal secreted proteins [PDF]

open access: yesFrontiers in Microbiology, 2012
Secreted proteins make up a significant percentage of a prokaryotic proteome and play critical roles in important cellular processes such as polymer degradation, nutrient uptake, signal transduction, cell wall biosynthesis and motility.
Mechthild ePohlschroder, Zalán eSzabó
doaj   +4 more sources

Specificity and Function of Archaeal DNA Replication Initiator Proteins [PDF]

open access: yesCell Reports, 2013
Chromosomes with multiple DNA replication origins are a hallmark of Eukaryotes and some Archaea. All eukaryal nuclear replication origins are defined by the origin recognition complex (ORC) that recruits the replicative helicase MCM(2-7) via Cdc6 and ...
Rachel Y. Samson   +10 more
doaj   +5 more sources

Discovery of archaeal fusexins homologous to eukaryotic HAP2/GCS1 gamete fusion proteins

open access: yesNature Communications, 2022
Sexual reproduction in eukaryotes involves gamete fusion, mediated by fusogenic proteins. Here, the authors identify fusogenic protein homologs encoded within mobile genetic elements in archaeal genomes, solve the crystal structure of one of the proteins,
David Moi   +15 more
doaj   +2 more sources

Crystal structure of an archaeal CorB magnesium transporter

open access: yesNature Communications, 2021
CNNM/CorB proteins are a conserved family of membrane proteins associated with Mg2+ transport. Here, structures of an archaeal CorB protein in apo state and with Mg2+-ATP bound and accompanying biophysical experiments suggest direct Mg2+ transport by ...
Yu Seby Chen   +7 more
doaj   +2 more sources

Affinity Purification of an Archaeal DNA Replication Protein Network [PDF]

open access: yesmBio, 2010
Nineteen Thermococcus kodakarensis strains have been constructed, each of which synthesizes a different His6-tagged protein known or predicted to be a component of the archaeal DNA replication machinery.
Zhuo Li   +4 more
doaj   +3 more sources

A Survey of Protein Structures from Archaeal Viruses [PDF]

open access: yesLife, 2013
Viruses that infect the third domain of life, Archaea, are a newly emerging field of interest. To date, all characterized archaeal viruses infect archaea that thrive in extreme conditions, such as halophilic, hyperthermophilic, and methanogenic ...
Nikki Dellas   +2 more
doaj   +3 more sources

Asgard archaea: have we found our microbial ancestors? [PDF]

open access: yesThe EMBO Journal
The discovery of Asgard archaea about a decade ago has greatly reshaped our understanding of archaeal evolution and the origin of eukaryotes. Asgards are currently thought to be the closest prokaryotic relatives of eukaryotes and to represent the ...
Christa Schleper   +1 more
doaj   +2 more sources

Structure and function of archaeal histones. [PDF]

open access: yesPLoS Genetics, 2018
The genomes of all organisms throughout the tree of life are compacted and organized in chromatin by association of chromatin proteins. Eukaryotic genomes encode histones, which are assembled on the genome into octamers, yielding nucleosomes.
Bram Henneman   +3 more
doaj   +2 more sources

Uncovering the prevalence, key biogenesis enzymes, and biological significance of archaeal lipoproteins [PDF]

open access: yesNature Communications
Lipid-anchored proteins are integral components of cell surfaces. In bacteria, lipidation of proteins with a conserved lipobox motif ([L/V/I]−3 [A/S/T/V/I]−2 [G/A/S]−1 [C]+1) is catalyzed by prolipoprotein diacylglyceryl transferase (Lgt).
Yirui Hong   +6 more
doaj   +2 more sources

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