Detailed information of TA system    

insolicoBioinformatically predicted

Overview

TA module


Type IV Classification (family/domain) cptAB/Cpta(toxin)
Location 1004504..1005158 Replicon chromosome
Accession NZ_CP038386
Organism Escherichia coli O157:H7 strain DEC5D

Toxin (Protein)


Gene name cptA Uniprot ID S1PAM6
Locus tag E3157_RS04880 Protein ID WP_000244781.1
Coordinates 1004751..1005158 (+) Length 136 a.a.

Antitoxin (Protein)


Gene name cptB Uniprot ID S1PPB1
Locus tag E3157_RS04875 Protein ID WP_000354046.1
Coordinates 1004504..1004770 (+) Length 89 a.a.

Genomic Context

Locus tag Coordinates Strand Size (bp) Protein ID Product Description
E3157_RS04855 1000592..1002025 - 1434 WP_001419180.1 6-phospho-beta-glucosidase BglA -
E3157_RS04860 1002070..1002381 + 312 WP_001182957.1 N(4)-acetylcytidine aminohydrolase -
E3157_RS04865 1002545..1003204 + 660 WP_000250274.1 hemolysin III family protein -
E3157_RS04870 1003281..1004261 - 981 WP_000886055.1 tRNA-modifying protein YgfZ -
E3157_RS04875 1004504..1004770 + 267 WP_000354046.1 FAD assembly factor SdhE Antitoxin
E3157_RS04880 1004751..1005158 + 408 WP_000244781.1 protein YgfX Toxin
E3157_RS04885 1005198..1005719 - 522 WP_001055874.1 flavodoxin FldB -
E3157_RS04890 1005831..1006727 + 897 WP_000806638.1 site-specific tyrosine recombinase XerD -
E3157_RS04895 1006752..1007462 + 711 WP_000715214.1 bifunctional protein-disulfide isomerase/oxidoreductase DsbC -
E3157_RS04900 1007468..1009201 + 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

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

>T122263 WP_000244781.1 NZ_CP038386:1004751-1005158 [Escherichia coli O157:H7]
VVLWQSDLRVSWRAQWLSLLIHGLVAAVILLMPWPLSYTPLWMVLLSLVVFDCVRSQRRINARQGEIRLLMDGRLRWQGQ
EWSIVKAPWMIKSGMMLRLRSDSGKRQHLWLAADSMDEAEWRDLRRILLQQETQR

Download         Length: 408 bp

>T122263 NZ_CP038386:1004751-1005158 [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

>AT122263 WP_000354046.1 NZ_CP038386:1004504-1004770 [Escherichia coli O157:H7]
MDINNKARIHWACRRGMRELDISIMPFFEHEYDSLSDDEKRIFIRLLECDDPDLFNWLMNHGKPADAELEMMVRLIQTRN
RERGPVAI

Download         Length: 267 bp

>AT122263 NZ_CP038386:1004504-1004770 [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