Detailed information of TA system    

experimentalExperimentally validated    

Overview


TA module


Type I Classification (family/domain) ibs-sib/-
Location 3194723..3194865 Replicon chromosome
Accession NC_000913
Organism Escherichia coli str. K-12 substr. MG1655
T1TAdb ID TA07165

Toxin (Protein)


Gene name ibs Uniprot ID C1P616
Locus tag b4664 Protein ID YP_002791256.1
Coordinates 3194766..3194825 (+) Length 20 a.a.

Antitoxin (RNA)


Gene name sib
Locus tag b4447
Coordinates 3194723..3194872 (-)

Genomic Context


Locus tag Coordinates Strand Size (bp) Protein ID Product Description
b3047 3189881..3190630 + 750 NP_417519.4 putative fimbrial chaperone YqiH -
b3048 3190632..3191696 + 1065 NP_417520.1 putative fimbrial protein YqiI -
b3049 3191739..3191939 - 201 NP_417521.1 surface composition regulator -
b3050 3192208..3192837 + 630 NP_417522.1 DUF1449 domain-containing inner membrane protein YqiJ -
b3051 3192864..3194525 + 1662 NP_417523.1 flotillin family inner membrane protein YqiK -
- 3194723..3194872 - 150 - - Antitoxin
b4664 3194766..3194825 + 60 YP_002791256.1 putative toxic peptide IbsD Toxin
b4666 3195141..3195200 + 60 YP_002791257.1 toxic peptide IbsE -
b3052 3195320..3196753 - 1434 NP_417524.1 fused heptose 7-phosphate kinase/heptose 1-phosphate adenyltransferase -
b3053 3196801..3199641 - 2841 NP_417525.1 fused glutamine synthetase deadenylase/glutamine synthetase adenylyltransferase -

Associated MGEs


MGE
detail
Similar
MGEs
Relative
position
MGE Type Cargo ARG Virulence gene Coordinates Length (bp)


Relative position:
(1) inside: TA loci is completely located inside the MGE;
(2) overlap: TA loci is partially overlapped with the MGE;
(3) flank: The TA loci is located in the 5 kb flanking regions of MGE.


Domains


Predicted by InterproScan

Toxin

(1-19)


Sequences


Toxin        


Download         Length: 20 a.a.        Molecular weight: 2150.84 Da        Isoelectric Point: 8.7571

>T6356 YP_002791256.1 NC_000913:3194766-3194825 [Escherichia coli str. K-12 substr. MG1655]
MMKLVIILIVLLLVSFAAY

Download         Length: 60 bp

>T6356 NC_000913:3194766-3194825 [Escherichia coli str. K-12 substr. MG1655]
ATGATGAAGCTCGTCATCATACTGATTGTGTTGTTACTCGTAAGTTTCGCAGCTTATTAA

Antitoxin


Download         Length: 150 bp

>AT6356 NC_000913:c3194872-3194723 [Escherichia coli str. K-12 substr. MG1655]
TAAAGGAACAAGGGTGAGGGAGGATTTCTCCCCCCTCTGATTGGCTGTTAATAAGCTGCGAAACTTACGAGTAACAACAC
AATCAGTATGATGACGAGCTTCATCATAACCCTTTCCTTCTGTAAGGCCCCCTTCTTCGGGAGGGGCTTT

Similar Proteins


Only experimentally validated proteins are listed.

Protein Organism Identities (%) Coverage (%) Ha-value
Protein Organism Identities (%) Coverage (%) Ha-value

Structures


Toxin

Source ID Structure
AlphaFold DB C1P616


Antitoxin

Download structure file

References


(1) Elizabeth M Fozo et al. (2008) Repression of small toxic protein synthesis by the Sib and OhsC small RNAs. Molecular Microbiology 70(5):1076-93. [PubMed:18710431] experimental

(2) Elizabeth M Fozo et al. (2010) Abundance of type I toxin-antitoxin systems in bacteria: searches for new candidates and discovery of novel families. Nucleic Acids Research 38(11):3743-59. [PubMed:20156992] experimental


experimental experimental literature