Detailed information of TA system    

insolicoBioinformatically predicted

Overview

TA module


Type IV Classification (family/domain) cptAB/Cpta(toxin)
Location 857897..858551 Replicon chromosome
Accession NZ_CP024056
Organism Escherichia coli strain SMN197SH3

Toxin (Protein)


Gene name cptA Uniprot ID S1EEB2
Locus tag CRT55_RS05530 Protein ID WP_000244777.1
Coordinates 858144..858551 (+) Length 136 a.a.

Antitoxin (Protein)


Gene name cptB Uniprot ID S1PPB1
Locus tag CRT55_RS05525 Protein ID WP_000354046.1
Coordinates 857897..858163 (+) Length 89 a.a.

Genomic Context

Locus tag Coordinates Strand Size (bp) Protein ID Product Description
CRT55_RS05495 853066..853809 + 744 WP_062882111.1 SDR family oxidoreductase -
CRT55_RS05500 853866..855299 - 1434 WP_062882117.1 6-phospho-beta-glucosidase BglA -
CRT55_RS05505 855344..855655 + 312 WP_001182954.1 N(4)-acetylcytidine aminohydrolase -
CRT55_RS05510 855819..856478 + 660 WP_000250274.1 hemolysin III family protein -
CRT55_RS05515 856674..857654 - 981 WP_000886062.1 tRNA-modifying protein YgfZ -
CRT55_RS05525 857897..858163 + 267 WP_000354046.1 FAD assembly factor SdhE Antitoxin
CRT55_RS05530 858144..858551 + 408 WP_000244777.1 toxin CptA Toxin
CRT55_RS05535 858591..859112 - 522 WP_001055874.1 flavodoxin FldB -
CRT55_RS05540 859224..860120 + 897 WP_000806638.1 site-specific tyrosine recombinase XerD -
CRT55_RS05545 860144..860854 + 711 WP_024226239.1 bifunctional protein-disulfide isomerase/oxidoreductase DsbC -
CRT55_RS05550 860860..862593 + 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

>T86638 WP_000244777.1 NZ_CP024056:858144-858551 [Escherichia coli]
VVLWQSDLRVSWRAQWLSLLIHGLVAAVILLMPWPLSYTPLWMVLLSLVVFDCVRSQRRINARQGEIRLLMDGRLRWQGQ
EWSIVKAPWMIKSGMMLRLRSDGGKRQHLWLAADSMDEAEWRDLRRILLQQETQR

Download         Length: 408 bp

>T86638 NZ_CP024056:858144-858551 [Escherichia coli]
GTGGTCCTGTGGCAATCTGATTTGCGCGTCTCCTGGCGCGCACAGTGGCTTTCCTTGCTGATTCATGGGCTGGTTGCCGC
TGTTATTTTACTCATGCCCTGGCCGCTCAGTTACACCCCGTTATGGATGGTGTTACTTTCGCTGGTGGTATTTGATTGCG
TTCGCAGCCAGCGGCGTATTAATGCTCGCCAGGGGGAAATTCGCTTGTTGATGGACGGGCGTTTGCGTTGGCAAGGGCAG
GAGTGGAGCATCGTCAAAGCACCGTGGATGATTAAGAGCGGCATGATGCTGCGTTTACGTTCTGATGGCGGTAAACGGCA
ACATTTATGGCTGGCAGCCGACAGCATGGACGAAGCTGAATGGCGGGATTTACGGCGGATTTTGTTGCAACAAGAGACGC
AAAGATAA

Antitoxin


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

>AT86638 WP_000354046.1 NZ_CP024056:857897-858163 [Escherichia coli]
MDINNKARIHWACRRGMRELDISIMPFFEHEYDSLSDDEKRIFIRLLECDDPDLFNWLMNHGKPADAELEMMVRLIQTRN
RERGPVAI

Download         Length: 267 bp

>AT86638 NZ_CP024056:857897-858163 [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