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Links from Protein

Items: 4

1.

type II toxin-antitoxin system Phd/YefM family antitoxin

Members of this family act as antitoxins in type II toxin-antitoxin systems [1]. When bound to their toxin partners, they can bind DNA via the N-terminus and repress the expression of operons containing genes encoding the toxin and the antitoxin [2]. This domain complexes with Txe toxins containing Pfam:PF06769, Fic/DOC toxins containing Pfam:PF02661 and YafO toxins containing Pfam:PF13957. [1]. 14659018. New connections in the prokaryotic toxin-antitoxin network: relationship with the eukaryotic nonsense-mediated RNA decay system. Anantharaman V, Aravind L;. Genome Biol 2003;4:R81. [2]. 20603017. Allostery and intrinsic disorder mediate transcription regulation by conditional cooperativity. Garcia-Pino A, Balasubramanian S, Wyns L, Gazit E, De Greve H, Magnuson RD, Charlier D, van Nuland NA, Loris R;. Cell. 2010;142:101-111. (from Pfam)

Date:
2024-10-16
Family Accession:
NF014643.5
Method:
HMM
2.
new record, indexing in progress
Family Accession:
3.

type II toxin-antitoxin system Phd/YefM family antitoxin

type II toxin-antitoxin (TA) system Phd/YefM family antitoxin is the antitoxin component of a TA module that binds to its cognate toxin and neutralizes its mRNA interferase activity; similar to Escherichia virus P1 antitoxin phd (prevent-host-death)

Date:
2023-03-13
Family Accession:
10005482
Method:
Sparcle
4.

type II toxin-antitoxin system prevent-host-death family antitoxin

This HMM recognizes a region of about 55 amino acids toward the N-terminal end of bacterial proteins of about 85 amino acids in length. The best-characterized member is prevent-host-death (phd) of bacteriophage P1, the antidote partner of death-on-curing (doc) (TIGR01550) in an addiction module. Addiction modules prevent plasmid curing by killing the host cell as the longer-lived killing protein persists while the gene for the shorter-lived antidote is lost. Note, however, that relatively few members of this family appear to be plasmid or phage-encoded. Also, there is little overlap, except for phage P1 itself, of species with this family and with the doc family.

GO Terms:
Biological Process:
cell death (GO:0008219)
Date:
2021-04-27
Family Accession:
TIGR01552.1
Method:
HMM
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