Detailed information of TA system    

insolicoBioinformatically predicted

Overview

TA module


Type IV Classification (family/domain) cptAB/Cpta(toxin)
Location 880724..881378 Replicon chromosome
Accession NZ_CP060073
Organism Escherichia coli strain G4/9

Toxin (Protein)


Gene name cptA Uniprot ID S1EEB2
Locus tag H4P48_RS04220 Protein ID WP_000244777.1
Coordinates 880971..881378 (+) Length 136 a.a.

Antitoxin (Protein)


Gene name cptB Uniprot ID S1PPB1
Locus tag H4P48_RS04215 Protein ID WP_000354046.1
Coordinates 880724..880990 (+) Length 89 a.a.

Genomic Context

Locus tag Coordinates Strand Size (bp) Protein ID Product Description
H4P48_RS04195 876693..878126 - 1434 WP_001514525.1 6-phospho-beta-glucosidase BglA -
H4P48_RS04200 878171..878482 + 312 WP_001514524.1 N(4)-acetylcytidine aminohydrolase -
H4P48_RS04205 878646..879305 + 660 WP_000250274.1 hemolysin III family protein -
H4P48_RS04210 879501..880481 - 981 WP_001514522.1 tRNA-modifying protein YgfZ -
H4P48_RS04215 880724..880990 + 267 WP_000354046.1 FAD assembly factor SdhE Antitoxin
H4P48_RS04220 880971..881378 + 408 WP_000244777.1 toxin CptA Toxin
H4P48_RS04225 881418..881939 - 522 WP_001055874.1 flavodoxin FldB -
H4P48_RS04230 882051..882947 + 897 WP_000806638.1 site-specific tyrosine recombinase XerD -
H4P48_RS04235 882972..883682 + 711 WP_000715214.1 bifunctional protein-disulfide isomerase/oxidoreductase DsbC -
H4P48_RS04240 883688..885421 + 1734 WP_000813201.1 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: 16031.96 Da        Isoelectric Point: 11.5202

>T169864 WP_000244777.1 NZ_CP060073:880971-881378 [Escherichia coli]
VVLWQSDLRVSWRAQWLSLLIHGLVAAVILLMPWPLSYTPLWMVLLSLVVFDCVRSQRRINARQGEIRLLMDGRLRWQGQ
EWSIVKAPWMIKSGMMLRLRSDGGKRQHLWLAADSMDEAEWRDLRRILLQQETQR

Download         Length: 408 bp

>T169864 NZ_CP076706:c858568-858317 [Escherichia coli O170:H18]
ATGCGTACAATTAGCTACAGCGAAGCGCGTCAGAATTTGTCGGCAACAATGATGAAAGCCGTTGAAGATCATGCCCCGAT
CCTCATTACTCGTCAGAATGGAGAGGCTTGTGTTCTGATGTCACTCGAAGAATACAACTCGCTGGAAGAGACGGCTTATC
TACTGCGTTCCCCCGCTAACGCCCGGAGATTGATGGACTCAATCGATAGCCTGAAATCAGGCAAAGGAACGGAAAAGGAC
ATTATTGAGTGA

Antitoxin


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

>AT169864 WP_000354046.1 NZ_CP060073:880724-880990 [Escherichia coli]
MDINNKARIHWACRRGMRELDISIMPFFEHEYDSLSDDEKRIFIRLLECDDPDLFNWLMNHGKPADAELEMMVRLIQTRN
RERGPVAI

Download         Length: 267 bp

>AT169864 NZ_CP076706:c858320-858066 [Escherichia coli O170:H18]
GTGAAACTAATCTGGTCTGAGGAATCATGGGATGATTATCTGTACTGGCAGGAAACAGATAAGCGAATTGTTAAAAAGAT
CAATGAACTTATCAAAGATACCCGCAGAACACCATTTGAAGGTAAGGGGAAACCAGAACCCCTGAAACATAATTTGTCAG
GTTTCTGGTCCCGACGCATTACAGAGGAGCACCGTCTGGTATACGCGGTTACTGATGATTCACTGCTCATTGCAGCATGT
CGTTATCATTATTGA

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 A0A7U9LFV7

Antitoxin

Source ID Structure
PDB 6B58
PDB 1X6I
PDB 1X6J
PDB 6C12
AlphaFold DB A0A7U9QD57

References