Detailed information of TA system    

insolicoBioinformatically predicted

Overview

TA module


Type IV Classification (family/domain) cptAB/Cpta(toxin)
Location 1195862..1196516 Replicon chromosome
Accession NZ_CP024257
Organism Escherichia coli O25:H16 strain F5505-C1

Toxin (Protein)


Gene name cptA Uniprot ID S1PAM6
Locus tag COG37_RS06245 Protein ID WP_000244781.1
Coordinates 1196109..1196516 (+) Length 136 a.a.

Antitoxin (Protein)


Gene name cptB Uniprot ID S1PPB1
Locus tag COG37_RS06240 Protein ID WP_000354046.1
Coordinates 1195862..1196128 (+) Length 89 a.a.

Genomic Context

Locus tag Coordinates Strand Size (bp) Protein ID Product Description
COG37_RS06220 1191950..1193383 - 1434 WP_001394742.1 6-phospho-beta-glucosidase BglA -
COG37_RS06225 1193428..1193739 + 312 WP_001182956.1 N(4)-acetylcytidine aminohydrolase -
COG37_RS06230 1193903..1194562 + 660 WP_000250274.1 hemolysin III family protein -
COG37_RS06235 1194639..1195619 - 981 WP_000886087.1 tRNA-modifying protein YgfZ -
COG37_RS06240 1195862..1196128 + 267 WP_000354046.1 FAD assembly factor SdhE Antitoxin
COG37_RS06245 1196109..1196516 + 408 WP_000244781.1 protein YgfX Toxin
COG37_RS06250 1196556..1197077 - 522 WP_001055874.1 flavodoxin FldB -
COG37_RS06255 1197189..1198085 + 897 WP_001735667.1 site-specific tyrosine recombinase XerD -
COG37_RS06260 1198110..1198820 + 711 WP_000715222.1 bifunctional protein-disulfide isomerase/oxidoreductase DsbC -
COG37_RS06265 1198826..1200559 + 1734 WP_000813233.1 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

>T87314 WP_000244781.1 NZ_CP024257:1196109-1196516 [Escherichia coli O25:H16]
VVLWQSDLRVSWRAQWLSLLIHGLVAAVILLMPWPLSYTPLWMVLLSLVVFDCVRSQRRINARQGEIRLLMDGRLRWQGQ
EWSIVKAPWMIKSGMMLRLRSDSGKRQHLWLAADSMDEAEWRDLRRILLQQETQR

Download         Length: 408 bp

>T87314 NZ_CP024257:1196109-1196516 [Escherichia coli O25:H16]
GTGGTCCTGTGGCAATCTGATTTGCGCGTCTCCTGGCGCGCACAGTGGCTTTCCTTGCTGATCCACGGGCTGGTTGCCGC
TGTTATTTTACTCATGCCCTGGCCGCTCAGTTACACCCCGTTATGGATGGTGTTACTTTCGCTGGTGGTGTTTGATTGCG
TTCGCAGCCAGCGACGCATTAATGCTCGCCAGGGAGAAATTCGCCTGTTGATGGACGGGCGTTTGCGTTGGCAAGGGCAG
GAGTGGAGCATCGTCAAAGCGCCGTGGATGATTAAGAGCGGCATGATGCTGCGTTTACGTTCTGATAGCGGTAAACGGCA
ACATTTATGGCTGGCAGCCGACAGCATGGACGAAGCCGAATGGCGGGATTTACGGCGGATATTGTTGCAACAAGAGACGC
AAAGATAA

Antitoxin


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

>AT87314 WP_000354046.1 NZ_CP024257:1195862-1196128 [Escherichia coli O25:H16]
MDINNKARIHWACRRGMRELDISIMPFFEHEYDSLSDDEKRIFIRLLECDDPDLFNWLMNHGKPADAELEMMVRLIQTRN
RERGPVAI

Download         Length: 267 bp

>AT87314 NZ_CP024257:1195862-1196128 [Escherichia coli O25:H16]
ATGGACATTAACAACAAAGCCCGCATTCATTGGGCATGCCGCCGTGGTATGCGCGAACTCGATATTTCAATCATGCCGTT
TTTCGAACATGAGTACGACAGCTTAAGCGATGACGAAAAACGCATCTTTATTCGTCTGCTGGAATGTGACGATCCCGATC
TGTTCAACTGGCTGATGAATCATGGTAAACCGGCCGATGCAGAACTGGAAATGATGGTCCGACTCATCCAGACACGGAAC
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