Detailed information of TA system    

insolicoBioinformatically predicted

Overview

TA module


Type IV Classification (family/domain) cptAB/Cpta(toxin)
Location 3547849..3548503 Replicon chromosome
Accession NC_013353
Organism Escherichia coli O103:H2 str. 12009

Toxin (Protein)


Gene name cptA Uniprot ID F4NJ21
Locus tag ECO103_RS18280 Protein ID WP_000244772.1
Coordinates 3547849..3548256 (-) Length 136 a.a.

Antitoxin (Protein)


Gene name cptB Uniprot ID S1PPB1
Locus tag ECO103_RS18285 Protein ID WP_000354046.1
Coordinates 3548237..3548503 (-) Length 89 a.a.

Genomic Context

Locus tag Coordinates Strand Size (bp) Protein ID Product Description
ECO103_RS18260 3543806..3545539 - 1734 WP_000813223.1 single-stranded-DNA-specific exonuclease RecJ -
ECO103_RS18265 3545545..3546255 - 711 WP_000715208.1 bifunctional protein-disulfide isomerase/oxidoreductase DsbC -
ECO103_RS18270 3546280..3547176 - 897 WP_000806638.1 site-specific tyrosine recombinase XerD -
ECO103_RS18275 3547288..3547809 + 522 WP_001055874.1 flavodoxin FldB -
ECO103_RS18280 3547849..3548256 - 408 WP_000244772.1 protein YgfX Toxin
ECO103_RS18285 3548237..3548503 - 267 WP_000354046.1 FAD assembly factor SdhE Antitoxin
ECO103_RS18290 3548746..3549726 + 981 WP_000886062.1 tRNA-modifying protein YgfZ -
ECO103_RS18295 3549979..3550959 + 981 WP_000399680.1 IS110-like element IS621 family transposase -
ECO103_RS18300 3551082..3551741 - 660 WP_000250274.1 hemolysin III family protein -
ECO103_RS18305 3551905..3552216 - 312 WP_001182947.1 N(4)-acetylcytidine aminohydrolase -

Associated MGEs

MGE
detail		 Similar
MGEs		 Relative
position		 MGE Type Cargo ARG Virulence gene Coordinates Length (bp)
- flank IS/Tn - - 3549979..3550959 980


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

Inner membrane protein YgfX

(3-131)

Antitoxin

Flavinator of succinate dehydrogenase

(7-79)


Sequences

Toxin        


Download         Length: 136 a.a.        Molecular weight: 16048.02 Da        Isoelectric Point: 11.2511

>T24293 WP_000244772.1 NC_013353:c3548256-3547849 [Escherichia coli O103:H2 str. 12009]
VVLWQSDLRVSWRAQWLSLLIHGLVAAVILLMPWPLSYTPLWMVLLSLVVFDCVRSQRRINARQGEIRLLMDGRLRWQGQ
EWCIVKAPWMIKSGMMLRLRSDGGKRQHLWLAADSMDEAEWRDLRRILLQQETQR

Download         Length: 408 bp

>T24293 NC_013353:c3548256-3547849 [Escherichia coli O103:H2 str. 12009]
GTGGTCCTGTGGCAATCTGATTTGCGCGTCTCCTGGCGCGCACAGTGGCTTTCCTTGCTGATTCATGGGCTGGTTGCCGC
TGTTATTTTACTCATGCCCTGGCCACTCAGTTACACCCCGTTATGGATGGTGTTACTTTCGCTGGTGGTGTTTGATTGCG
TTCGCAGCCAGCGGCGTATTAATGCTCGCCAGGGGGAAATTCGCTTGTTGATGGACGGGCGTTTGCGTTGGCAAGGGCAG
GAGTGGTGCATCGTCAAAGCACCGTGGATGATTAAGAGCGGCATGATGCTGCGTTTACGTTCTGATGGCGGTAAACGGCA
ACATTTATGGCTGGCAGCCGACAGCATGGACGAAGCCGAATGGCGGGATTTACGGCGGATTTTGTTGCAACAAGAGACGC
AAAGATAA

Antitoxin


Download         Length: 89 a.a.        Molecular weight: 10547.12 Da        Isoelectric Point: 5.1599

>AT24293 WP_000354046.1 NC_013353:c3548503-3548237 [Escherichia coli O103:H2 str. 12009]
MDINNKARIHWACRRGMRELDISIMPFFEHEYDSLSDDEKRIFIRLLECDDPDLFNWLMNHGKPADAELEMMVRLIQTRN
RERGPVAI

Download         Length: 267 bp

>AT24293 NC_013353:c3548503-3548237 [Escherichia coli O103:H2 str. 12009]
ATGGACATTAACAACAAAGCCCGCATTCATTGGGCATGCCGCCGTGGTATGCGCGAACTCGATATTTCAATCATGCCGTT
TTTCGAACATGAGTACGACAGCTTAAGCGATGACGAAAAACGCATCTTTATTCGTCTGCTGGAATGTGACGATCCGGACC
TGTTTAACTGGCTGATGAATCACGGTAAACCGGCCGATGCAGAACTGGAAATGATGGTCCGACTCATCCAGACACGGAAC
CGGGAACGTGGTCCTGTGGCAATCTGA

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 A0A0E0XYB4

Antitoxin

Source ID Structure
PDB 6B58
PDB 1X6I
PDB 1X6J
PDB 6C12
AlphaFold DB A0A7U9QD57

References