Detailed information of TA system    

insolicoBioinformatically predicted

Overview

TA module


Type IV Classification (family/domain) cptAB/Cpta(toxin)
Location 953061..953715 Replicon chromosome
Accession NZ_CP089034
Organism Escherichia coli O157:H7 strain 6535NalR

Toxin (Protein)


Gene name cptA Uniprot ID S1PAM6
Locus tag LSI70_RS04755 Protein ID WP_000244781.1
Coordinates 953308..953715 (+) Length 136 a.a.

Antitoxin (Protein)


Gene name cptB Uniprot ID S1PPB1
Locus tag LSI70_RS04750 Protein ID WP_000354046.1
Coordinates 953061..953327 (+) Length 89 a.a.

Genomic Context

Locus tag Coordinates Strand Size (bp) Protein ID Product Description
LSI70_RS04730 (949149) 949149..950582 - 1434 WP_001310226.1 6-phospho-beta-glucosidase BglA -
LSI70_RS04735 (950627) 950627..950938 + 312 WP_001182957.1 N(4)-acetylcytidine aminohydrolase -
LSI70_RS04740 (951102) 951102..951761 + 660 WP_000250274.1 hemolysin III family protein -
LSI70_RS04745 (951838) 951838..952818 - 981 WP_000886053.1 tRNA-modifying protein YgfZ -
LSI70_RS04750 (953061) 953061..953327 + 267 WP_000354046.1 FAD assembly factor SdhE Antitoxin
LSI70_RS04755 (953308) 953308..953715 + 408 WP_000244781.1 protein YgfX Toxin
LSI70_RS04760 (953755) 953755..954276 - 522 WP_001055874.1 flavodoxin FldB -
LSI70_RS04765 (954388) 954388..955284 + 897 WP_000806640.1 site-specific tyrosine recombinase XerD -
LSI70_RS04770 (955309) 955309..956019 + 711 WP_000715214.1 bifunctional protein-disulfide isomerase/oxidoreductase DsbC -
LSI70_RS04775 (956025) 956025..957758 + 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

>T227495 WP_000244781.1 NZ_CP089034:953308-953715 [Escherichia coli O157:H7]
VVLWQSDLRVSWRAQWLSLLIHGLVAAVILLMPWPLSYTPLWMVLLSLVVFDCVRSQRRINARQGEIRLLMDGRLRWQGQ
EWSIVKAPWMIKSGMMLRLRSDSGKRQHLWLAADSMDEAEWRDLRRILLQQETQR

Download         Length: 408 bp

>T227495 NZ_CP122923:2941740-2941847 [Escherichia coli]
ATGACGCTCGCGCAGTTTGCCATGATTTTCTGGCACGACCTGGCAGCACCGATCCTGGCGGGAATTATTACCGCAGCGAT
TGTCAGCTGGTGGCGTAACCGGAAGTAA

Antitoxin


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

>AT227495 WP_000354046.1 NZ_CP089034:953061-953327 [Escherichia coli O157:H7]
MDINNKARIHWACRRGMRELDISIMPFFEHEYDSLSDDEKRIFIRLLECDDPDLFNWLMNHGKPADAELEMMVRLIQTRN
RERGPVAI

Download         Length: 267 bp

>AT227495 NZ_CP122923:c2941693-2941627 [Escherichia coli]
TGTCTGGTTTCAAGATTAGCCCCCGTTTTGTTGTCAGGTTTTACCTCTCAACGTGCGGGGGTTTTCT

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