Detailed information of TA system    

insolicoBioinformatically predicted

Overview


TA module


Type IV Classification (family/domain) cptAB/Cpta(toxin)
Location 3873087..3873741 Replicon chromosome
Accession NZ_CP034384
Organism Escherichia coli O157:H7 strain FRIK804

Toxin (Protein)


Gene name cptA Uniprot ID S1PAM6
Locus tag EJB16_RS19500 Protein ID WP_000244781.1
Coordinates 3873087..3873494 (-) Length 136 a.a.

Antitoxin (Protein)


Gene name cptB Uniprot ID S1PPB1
Locus tag EJB16_RS19505 Protein ID WP_000354046.1
Coordinates 3873475..3873741 (-) Length 89 a.a.

Genomic Context


Locus tag Coordinates Strand Size (bp) Protein ID Product Description
EJB16_RS19480 3869044..3870777 - 1734 WP_000813185.1 single-stranded-DNA-specific exonuclease RecJ -
EJB16_RS19485 3870783..3871493 - 711 WP_000715214.1 bifunctional protein-disulfide isomerase/oxidoreductase DsbC -
EJB16_RS19490 3871518..3872414 - 897 WP_000806640.1 site-specific tyrosine recombinase XerD -
EJB16_RS19495 3872526..3873047 + 522 WP_001055874.1 flavodoxin FldB -
EJB16_RS19500 3873087..3873494 - 408 WP_000244781.1 protein YgfX Toxin
EJB16_RS19505 3873475..3873741 - 267 WP_000354046.1 FAD assembly factor SdhE Antitoxin
EJB16_RS19510 3873984..3874964 + 981 WP_000886053.1 tRNA-modifying protein YgfZ -
EJB16_RS19515 3875041..3875700 - 660 WP_000250274.1 hemolysin III family protein -
EJB16_RS19520 3875864..3876175 - 312 WP_001182957.1 N(4)-acetylcytidine aminohydrolase -
EJB16_RS19525 3876220..3877653 + 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

(3-131)

Antitoxin

(7-79)


Sequences


Toxin        


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

>T115821 WP_000244781.1 NZ_CP034384:c3873494-3873087 [Escherichia coli O157:H7]
VVLWQSDLRVSWRAQWLSLLIHGLVAAVILLMPWPLSYTPLWMVLLSLVVFDCVRSQRRINARQGEIRLLMDGRLRWQGQ
EWSIVKAPWMIKSGMMLRLRSDSGKRQHLWLAADSMDEAEWRDLRRILLQQETQR

Download         Length: 408 bp

>T115821 NZ_CP034384:c3873494-3873087 [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

>AT115821 WP_000354046.1 NZ_CP034384:c3873741-3873475 [Escherichia coli O157:H7]
MDINNKARIHWACRRGMRELDISIMPFFEHEYDSLSDDEKRIFIRLLECDDPDLFNWLMNHGKPADAELEMMVRLIQTRN
RERGPVAI

Download         Length: 267 bp

>AT115821 NZ_CP034384:c3873741-3873475 [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