Detailed information of TA system    

insolicoBioinformatically predicted

Overview

TA module


Type IV Classification (family/domain) cptAB/Cpta(toxin)
Location 924334..924988 Replicon chromosome
Accession NZ_AP027960
Organism Escherichia coli strain VE-T2

Toxin (Protein)


Gene name cptA Uniprot ID F4NJ21
Locus tag QQK13_RS04530 Protein ID WP_000244772.1
Coordinates 924581..924988 (+) Length 136 a.a.

Antitoxin (Protein)


Gene name cptB Uniprot ID S1PPB1
Locus tag QQK13_RS04525 Protein ID WP_000354046.1
Coordinates 924334..924600 (+) Length 89 a.a.

Genomic Context

Locus tag Coordinates Strand Size (bp) Protein ID Product Description
QQK13_RS04500 (919622) 919622..920365 + 744 WP_000951964.1 SDR family oxidoreductase -
QQK13_RS04505 (920422) 920422..921855 - 1434 WP_001344773.1 6-phospho-beta-glucosidase BglA -
QQK13_RS04510 (921900) 921900..922211 + 312 WP_001182954.1 N(4)-acetylcytidine aminohydrolase -
QQK13_RS04515 (922375) 922375..923034 + 660 WP_000250274.1 hemolysin III family protein -
QQK13_RS04520 (923111) 923111..924091 - 981 WP_000886062.1 tRNA-modifying protein YgfZ -
QQK13_RS04525 (924334) 924334..924600 + 267 WP_000354046.1 FAD assembly factor SdhE Antitoxin
QQK13_RS04530 (924581) 924581..924988 + 408 WP_000244772.1 protein YgfX Toxin
QQK13_RS04535 (925028) 925028..925549 - 522 WP_001055874.1 flavodoxin FldB -
QQK13_RS04540 (925661) 925661..926557 + 897 WP_000806638.1 site-specific tyrosine recombinase XerD -
QQK13_RS04545 (926582) 926582..927292 + 711 WP_000715214.1 bifunctional protein-disulfide isomerase/oxidoreductase DsbC -
QQK13_RS04550 (927298) 927298..929031 + 1734 WP_000813215.1 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: 16048.02 Da        Isoelectric Point: 11.2511

>T44276 WP_000244772.1 NZ_AP027960:924581-924988 [Escherichia coli]
VVLWQSDLRVSWRAQWLSLLIHGLVAAVILLMPWPLSYTPLWMVLLSLVVFDCVRSQRRINARQGEIRLLMDGRLRWQGQ
EWCIVKAPWMIKSGMMLRLRSDGGKRQHLWLAADSMDEAEWRDLRRILLQQETQR

Download         Length: 408 bp

>T44276 NZ_AP027960:924581-924988 [Escherichia coli]
GTGGTCCTGTGGCAATCTGATTTGCGCGTCTCCTGGCGCGCACAGTGGCTTTCCTTGCTGATTCATGGGCTGGTTGCCGC
TGTTATTTTACTCATGCCCTGGCCACTCAGTTACACCCCGTTATGGATGGTGTTACTTTCGCTGGTGGTGTTTGATTGCG
TTCGCAGCCAGCGGCGTATTAATGCTCGCCAGGGGGAAATTCGCTTGTTGATGGACGGGCGTTTGCGTTGGCAAGGGCAG
GAGTGGTGCATCGTCAAAGCACCGTGGATGATTAAGAGCGGCATGATGCTGCGTTTACGTTCTGATGGCGGTAAACGGCA
ACATTTATGGCTGGCAGCCGACAGCATGGACGAAGCCGAATGGCGGGATTTACGGCGGATTTTGTTGCAACAAGAGACGC
AAAGATAA

Antitoxin


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

>AT44276 WP_000354046.1 NZ_AP027960:924334-924600 [Escherichia coli]
MDINNKARIHWACRRGMRELDISIMPFFEHEYDSLSDDEKRIFIRLLECDDPDLFNWLMNHGKPADAELEMMVRLIQTRN
RERGPVAI

Download         Length: 267 bp

>AT44276 NZ_AP027960:924334-924600 [Escherichia coli]
ATGGACATTAACAACAAAGCCCGCATTCATTGGGCATGCCGCCGTGGTATGCGCGAACTCGATATTTCAATCATGCCGTT
TTTCGAACATGAGTACGACAGCTTAAGCGATGACGAAAAACGCATCTTTATTCGTCTGCTGGAATGTGACGATCCGGACC
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 A0A0E0XYB4

Antitoxin

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

References