Detailed information of TA system    

insolicoBioinformatically predicted

Overview

TA module


Type IV Classification (family/domain) cptAB/Cpta(toxin)
Location 3662901..3663555 Replicon chromosome
Accession NZ_CP006027
Organism Escherichia coli O145:H28 str. RM13514

Toxin (Protein)


Gene name cptA Uniprot ID S1EEB2
Locus tag ECRM13514_RS18745 Protein ID WP_000244777.1
Coordinates 3662901..3663308 (-) Length 136 a.a.

Antitoxin (Protein)


Gene name cptB Uniprot ID S1PPB1
Locus tag ECRM13514_RS18750 Protein ID WP_000354046.1
Coordinates 3663289..3663555 (-) Length 89 a.a.

Genomic Context

Locus tag Coordinates Strand Size (bp) Protein ID Product Description
ECRM13514_RS18725 3658858..3660591 - 1734 WP_000813202.1 single-stranded-DNA-specific exonuclease RecJ -
ECRM13514_RS18730 3660597..3661307 - 711 WP_000715214.1 bifunctional protein-disulfide isomerase/oxidoreductase DsbC -
ECRM13514_RS18735 3661332..3662228 - 897 WP_000806638.1 site-specific tyrosine recombinase XerD -
ECRM13514_RS18740 3662340..3662861 + 522 WP_001055874.1 flavodoxin FldB -
ECRM13514_RS18745 3662901..3663308 - 408 WP_000244777.1 toxin CptA Toxin
ECRM13514_RS18750 3663289..3663555 - 267 WP_000354046.1 FAD assembly factor SdhE Antitoxin
ECRM13514_RS18755 3663798..3664778 + 981 WP_000886093.1 tRNA-modifying protein YgfZ -
ECRM13514_RS18760 3664855..3665514 - 660 WP_000250294.1 hemolysin III family protein -
ECRM13514_RS18765 3665678..3665989 - 312 WP_001182957.1 N(4)-acetylcytidine aminohydrolase -
ECRM13514_RS18770 3666034..3667467 + 1434 WP_024221758.1 6-phospho-beta-glucosidase BglA -

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

>T45183 WP_000244777.1 NZ_CP006027:c3663308-3662901 [Escherichia coli O145:H28 str. RM13514]
VVLWQSDLRVSWRAQWLSLLIHGLVAAVILLMPWPLSYTPLWMVLLSLVVFDCVRSQRRINARQGEIRLLMDGRLRWQGQ
EWSIVKAPWMIKSGMMLRLRSDGGKRQHLWLAADSMDEAEWRDLRRILLQQETQR

Download         Length: 408 bp

>T45183 NZ_CP006027:c3663308-3662901 [Escherichia coli O145:H28 str. RM13514]
GTGGTCCTGTGGCAATCTGATTTGCGCGTCTCCTGGCGCGCACAGTGGCTTTCCTTGCTGATTCATGGGCTGGTTGCCGC
TGTTATTTTACTCATGCCCTGGCCGCTCAGTTACACCCCGTTATGGATGGTGTTACTTTCGCTGGTGGTGTTTGATTGCG
TTCGCAGCCAGCGGCGTATTAATGCTCGCCAGGGGGAAATTCGCTTGTTGATGGACGGGCGTTTGCGTTGGCAAGGGCAG
GAGTGGAGCATCGTCAAAGCACCGTGGATGATTAAGAGCGGCATGATGCTGCGTTTACGTTCTGATGGCGGTAAACGGCA
ACATTTATGGCTGGCAGCCGACAGCATGGACGAAGCCGAATGGCGGGATTTACGGCGGATATTGTTGCAACAAGAGACGC
AAAGATAA

Antitoxin


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

>AT45183 WP_000354046.1 NZ_CP006027:c3663555-3663289 [Escherichia coli O145:H28 str. RM13514]
MDINNKARIHWACRRGMRELDISIMPFFEHEYDSLSDDEKRIFIRLLECDDPDLFNWLMNHGKPADAELEMMVRLIQTRN
RERGPVAI

Download         Length: 267 bp

>AT45183 NZ_CP006027:c3663555-3663289 [Escherichia coli O145:H28 str. RM13514]
ATGGACATTAACAACAAAGCCCGCATTCATTGGGCATGCCGCCGTGGTATGCGCGAACTCGATATTTCAATCATGCCGTT
TTTCGAACATGAGTACGACAGCTTAAGCGATGACGAAAAACGCATCTTTATTCGTCTGCTGGAATGTGACGATCCAGACC
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