Detailed information of TA system    

insolicoBioinformatically predicted

Overview

TA module


Type IV Classification (family/domain) cptAB/Cpta(toxin)
Location 3756399..3757053 Replicon chromosome
Accession NZ_CP035366
Organism Escherichia coli O157:H7 strain C1-057

Toxin (Protein)


Gene name cptA Uniprot ID S1PAM6
Locus tag ES669_RS19495 Protein ID WP_000244781.1
Coordinates 3756399..3756806 (-) Length 136 a.a.

Antitoxin (Protein)


Gene name cptB Uniprot ID S1PPB1
Locus tag ES669_RS19500 Protein ID WP_000354046.1
Coordinates 3756787..3757053 (-) Length 89 a.a.

Genomic Context

Locus tag Coordinates Strand Size (bp) Protein ID Product Description
ES669_RS19475 3752356..3754089 - 1734 WP_000813185.1 single-stranded-DNA-specific exonuclease RecJ -
ES669_RS19480 3754095..3754805 - 711 WP_000715214.1 bifunctional protein-disulfide isomerase/oxidoreductase DsbC -
ES669_RS19485 3754830..3755726 - 897 WP_000806638.1 site-specific tyrosine recombinase XerD -
ES669_RS19490 3755838..3756359 + 522 WP_001055875.1 flavodoxin FldB -
ES669_RS19495 3756399..3756806 - 408 WP_000244781.1 protein YgfX Toxin
ES669_RS19500 3756787..3757053 - 267 WP_000354046.1 FAD assembly factor SdhE Antitoxin
ES669_RS19505 3757296..3758276 + 981 WP_000886053.1 tRNA-modifying protein YgfZ -
ES669_RS19510 3758353..3759012 - 660 WP_000250274.1 hemolysin III family protein -
ES669_RS19515 3759176..3759487 - 312 WP_001182957.1 N(4)-acetylcytidine aminohydrolase -
ES669_RS19520 3759532..3760965 + 1434 WP_001310226.1 6-phospho-beta-glucosidase BglA -

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

Inner membrane protein YgfX

(3-131)

Antitoxin

Flavinator of succinate dehydrogenase

(7-79)


Sequences

Toxin        


Download         Length: 136 a.a.        Molecular weight: 16061.99 Da        Isoelectric Point: 11.5202

>T117639 WP_000244781.1 NZ_CP035366:c3756806-3756399 [Escherichia coli O157:H7]
VVLWQSDLRVSWRAQWLSLLIHGLVAAVILLMPWPLSYTPLWMVLLSLVVFDCVRSQRRINARQGEIRLLMDGRLRWQGQ
EWSIVKAPWMIKSGMMLRLRSDSGKRQHLWLAADSMDEAEWRDLRRILLQQETQR

Download         Length: 408 bp

>T117639 NZ_CP035366:c3756806-3756399 [Escherichia coli O157:H7]
GTGGTCCTGTGGCAATCTGATTTGCGCGTCTCCTGGCGCGCACAGTGGCTTTCCTTGCTGATTCATGGGCTGGTTGCCGC
TGTTATTTTACTCATGCCCTGGCCGCTCAGTTACACCCCGTTATGGATGGTGTTACTTTCGCTGGTGGTGTTTGATTGCG
TTCGCAGCCAGCGGCGTATTAATGCTCGCCAGGGGGAAATTCGCTTGTTGATGGACGGGCGTTTGCGTTGGCAAGGGCAG
GAGTGGAGCATCGTCAAAGCGCCGTGGATGATTAAGAGCGGCATGATGCTGCGTTTACGTTCTGATAGCGGTAAACGGCA
ACATTTATGGCTGGCAGCCGACAGCATGGACGAAGCCGAATGGCGGGATTTACGGCGGATTTTGTTGCAACAAGAGACGC
AAAGATAA

Antitoxin


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

>AT117639 WP_000354046.1 NZ_CP035366:c3757053-3756787 [Escherichia coli O157:H7]
MDINNKARIHWACRRGMRELDISIMPFFEHEYDSLSDDEKRIFIRLLECDDPDLFNWLMNHGKPADAELEMMVRLIQTRN
RERGPVAI

Download         Length: 267 bp

>AT117639 NZ_CP035366:c3757053-3756787 [Escherichia coli O157:H7]
ATGGACATTAACAACAAAGCCCGCATTCATTGGGCATGCCGCCGTGGTATGCGCGAACTCGATATTTCAATCATGCCGTT
TTTCGAACATGAGTATGACAGCTTAAGCGATGACGAAAAACGCATCTTTATTCGTCTGCTGGAATGTGACGATCCCGATC
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 S1PAM6

Antitoxin

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

References