Detailed information of TA system    

insolicoBioinformatically predicted

Overview

TA module


Type IV Classification (family/domain) cptAB/Cpta(toxin)
Location 858963..859617 Replicon chromosome
Accession NZ_CP023673
Organism Escherichia coli strain SMN013SH2

Toxin (Protein)


Gene name cptA Uniprot ID S1EEB2
Locus tag CP957_RS04675 Protein ID WP_000244777.1
Coordinates 859210..859617 (+) Length 136 a.a.

Antitoxin (Protein)


Gene name cptB Uniprot ID S1PPB1
Locus tag CP957_RS04670 Protein ID WP_000354046.1
Coordinates 858963..859229 (+) Length 89 a.a.

Genomic Context

Locus tag Coordinates Strand Size (bp) Protein ID Product Description
CP957_RS04640 854132..854875 + 744 WP_062882111.1 SDR family oxidoreductase -
CP957_RS04645 854932..856365 - 1434 WP_062882117.1 6-phospho-beta-glucosidase BglA -
CP957_RS04650 856410..856721 + 312 WP_001182954.1 N(4)-acetylcytidine aminohydrolase -
CP957_RS04655 856885..857544 + 660 WP_000250274.1 hemolysin III family protein -
CP957_RS04660 857740..858720 - 981 WP_000886062.1 tRNA-modifying protein YgfZ -
CP957_RS04670 858963..859229 + 267 WP_000354046.1 FAD assembly factor SdhE Antitoxin
CP957_RS04675 859210..859617 + 408 WP_000244777.1 toxin CptA Toxin
CP957_RS04680 859657..860178 - 522 WP_001055874.1 flavodoxin FldB -
CP957_RS04685 860290..861186 + 897 WP_000806638.1 site-specific tyrosine recombinase XerD -
CP957_RS04690 861210..861920 + 711 WP_024226239.1 bifunctional protein-disulfide isomerase/oxidoreductase DsbC -
CP957_RS04695 861926..863659 + 1734 WP_024226240.1 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

>T85866 WP_000244777.1 NZ_CP023673:859210-859617 [Escherichia coli]
VVLWQSDLRVSWRAQWLSLLIHGLVAAVILLMPWPLSYTPLWMVLLSLVVFDCVRSQRRINARQGEIRLLMDGRLRWQGQ
EWSIVKAPWMIKSGMMLRLRSDGGKRQHLWLAADSMDEAEWRDLRRILLQQETQR

Download         Length: 408 bp

>T85866 NZ_CP023673:859210-859617 [Escherichia coli]
GTGGTCCTGTGGCAATCTGATTTGCGCGTCTCCTGGCGCGCACAGTGGCTTTCCTTGCTGATTCATGGGCTGGTTGCCGC
TGTTATTTTACTCATGCCCTGGCCGCTCAGTTACACCCCGTTATGGATGGTGTTACTTTCGCTGGTGGTATTTGATTGCG
TTCGCAGCCAGCGGCGTATTAATGCTCGCCAGGGGGAAATTCGCTTGTTGATGGACGGGCGTTTGCGTTGGCAAGGGCAG
GAGTGGAGCATCGTCAAAGCACCGTGGATGATTAAGAGCGGCATGATGCTGCGTTTACGTTCTGATGGCGGTAAACGGCA
ACATTTATGGCTGGCAGCCGACAGCATGGACGAAGCTGAATGGCGGGATTTACGGCGGATTTTGTTGCAACAAGAGACGC
AAAGATAA

Antitoxin


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

>AT85866 WP_000354046.1 NZ_CP023673:858963-859229 [Escherichia coli]
MDINNKARIHWACRRGMRELDISIMPFFEHEYDSLSDDEKRIFIRLLECDDPDLFNWLMNHGKPADAELEMMVRLIQTRN
RERGPVAI

Download         Length: 267 bp

>AT85866 NZ_CP023673:858963-859229 [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 A0A7U9LFV7

Antitoxin

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

References