Detailed information of TA system    

insolicoBioinformatically predicted

Overview


TA module


Type IV Classification (family/domain) cptAB/Cpta(toxin)
Location 954886..955540 Replicon chromosome
Accession NZ_CP076241
Organism Escherichia coli O157:H7 strain Vac_07.1

Toxin (Protein)


Gene name cptA Uniprot ID S1PAM6
Locus tag JKN65_RS04755 Protein ID WP_000244781.1
Coordinates 955133..955540 (+) Length 136 a.a.

Antitoxin (Protein)


Gene name cptB Uniprot ID S1PPB1
Locus tag JKN65_RS04750 Protein ID WP_000354046.1
Coordinates 954886..955152 (+) Length 89 a.a.

Genomic Context


Locus tag Coordinates Strand Size (bp) Protein ID Product Description
JKN65_RS04730 (950974) 950974..952407 - 1434 WP_001310226.1 6-phospho-beta-glucosidase BglA -
JKN65_RS04735 (952452) 952452..952763 + 312 WP_001182957.1 N(4)-acetylcytidine aminohydrolase -
JKN65_RS04740 (952927) 952927..953586 + 660 WP_000250274.1 hemolysin III family protein -
JKN65_RS04745 (953663) 953663..954643 - 981 WP_000886053.1 tRNA-modifying protein YgfZ -
JKN65_RS04750 (954886) 954886..955152 + 267 WP_000354046.1 FAD assembly factor SdhE Antitoxin
JKN65_RS04755 (955133) 955133..955540 + 408 WP_000244781.1 protein YgfX Toxin
JKN65_RS04760 (955580) 955580..956101 - 522 WP_001055874.1 flavodoxin FldB -
JKN65_RS04765 (956213) 956213..957109 + 897 WP_000806638.1 site-specific tyrosine recombinase XerD -
JKN65_RS04770 (957134) 957134..957844 + 711 WP_000715214.1 bifunctional protein-disulfide isomerase/oxidoreductase DsbC -
JKN65_RS04775 (957850) 957850..959583 + 1734 WP_000813185.1 single-stranded-DNA-specific exonuclease RecJ -

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

>T204905 WP_000244781.1 NZ_CP076241:955133-955540 [Escherichia coli O157:H7]
VVLWQSDLRVSWRAQWLSLLIHGLVAAVILLMPWPLSYTPLWMVLLSLVVFDCVRSQRRINARQGEIRLLMDGRLRWQGQ
EWSIVKAPWMIKSGMMLRLRSDSGKRQHLWLAADSMDEAEWRDLRRILLQQETQR

Download         Length: 408 bp

>T204905 NZ_CP101292:c1058643-1058356 [Escherichia coli]
ATTAGGAATTTAAATCAAAGGGATATTGAATACTCGGGACAATTTTCAAAGGATGTAAAACTTGCACAAAAGCGTCATAA
GGATATGAATAAATTGAAATATCTTATGACGCTTCTTATCAATAATGCTTTACCGCTTCCAGCTGTTTATAAAGACCACC
CGCTGCAAGGTTCATGGAAAGGTTATCGCGATGCTCATGTCGAACCGGACTGGATCCTGATTTACAAACTTACCGATAAA
CTTTTACGATTTGAGAGAACTGGAACTCACGCGGCGCTCTTTGGGTAA

Antitoxin


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

>AT204905 WP_000354046.1 NZ_CP076241:954886-955152 [Escherichia coli O157:H7]
MDINNKARIHWACRRGMRELDISIMPFFEHEYDSLSDDEKRIFIRLLECDDPDLFNWLMNHGKPADAELEMMVRLIQTRN
RERGPVAI

Download         Length: 267 bp

>AT204905 NZ_CP101292:c1058891-1058631 [Escherichia coli]
ATGGCTGCTAACGCATTTGTTCGCGCCCGAATCGATGAAGATCTGAAGAATCAGGCGGCGGACGTACTGGCCGGGATGGG
GCTGACCATCTCTGACCTGGTTCGCATAACCCTCACAAAGGTCGCGCGTGAAAAGGCATTGCCGTTTGATTTACGCGAGC
CTAATCAATTAACCATTCAATCAATCAAAAACAGCGAAGCTGGCGTTGATGTTCATAAGGCCAAAGACGCCGATGATTTA
TTTGATAAATTAGGAATTTAA

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