Detailed information of TA system    

insolicoBioinformatically predicted

Overview

TA module


Type IV Classification (family/domain) cptAB/Cpta(toxin)
Location 4928016..4928670 Replicon chromosome
Accession NZ_CP027390
Organism Escherichia coli strain 2015C-4944

Toxin (Protein)


Gene name cptA Uniprot ID S1EEB2
Locus tag AX062_RS26995 Protein ID WP_000244777.1
Coordinates 4928263..4928670 (+) Length 136 a.a.

Antitoxin (Protein)


Gene name cptB Uniprot ID S1PPB1
Locus tag AX062_RS26990 Protein ID WP_000354046.1
Coordinates 4928016..4928282 (+) Length 89 a.a.

Genomic Context

Locus tag Coordinates Strand Size (bp) Protein ID Product Description
AX062_RS26965 4923185..4923928 + 744 WP_000951964.1 SDR family oxidoreductase -
AX062_RS26970 4923985..4925418 - 1434 WP_001341859.1 6-phospho-beta-glucosidase BglA -
AX062_RS26975 4925463..4925774 + 312 WP_001182954.1 N(4)-acetylcytidine aminohydrolase -
AX062_RS26980 4925938..4926597 + 660 WP_000250274.1 hemolysin III family protein -
AX062_RS26985 4926793..4927773 - 981 WP_000886095.1 tRNA-modifying protein YgfZ -
AX062_RS26990 4928016..4928282 + 267 WP_000354046.1 FAD assembly factor SdhE Antitoxin
AX062_RS26995 4928263..4928670 + 408 WP_000244777.1 toxin CptA Toxin
AX062_RS27000 4928710..4929231 - 522 WP_001055874.1 flavodoxin FldB -
AX062_RS27005 4929343..4930239 + 897 WP_000806638.1 site-specific tyrosine recombinase XerD -
AX062_RS27010 4930264..4930974 + 711 WP_000715214.1 bifunctional protein-disulfide isomerase/oxidoreductase DsbC -
AX062_RS27015 4930980..4932713 + 1734 WP_000813220.1 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

>T98593 WP_000244777.1 NZ_CP027390:4928263-4928670 [Escherichia coli]
VVLWQSDLRVSWRAQWLSLLIHGLVAAVILLMPWPLSYTPLWMVLLSLVVFDCVRSQRRINARQGEIRLLMDGRLRWQGQ
EWSIVKAPWMIKSGMMLRLRSDGGKRQHLWLAADSMDEAEWRDLRRILLQQETQR

Download         Length: 408 bp

>T98593 NZ_CP027390:4928263-4928670 [Escherichia coli]
GTGGTCCTGTGGCAATCTGATTTGCGCGTCTCCTGGCGCGCACAGTGGCTTTCCTTGCTGATTCATGGGCTGGTTGCCGC
TGTTATTTTACTCATGCCCTGGCCACTCAGTTACACCCCGTTATGGATGGTGTTACTTTCGCTGGTGGTGTTTGATTGCG
TTCGCAGCCAGCGGCGTATTAATGCTCGCCAGGGGGAAATTCGCTTGTTGATGGACGGGCGTTTGCGTTGGCAAGGGCAG
GAGTGGAGCATCGTCAAAGCACCGTGGATGATTAAGAGCGGCATGATGCTGCGTTTACGTTCTGATGGCGGTAAACGGCA
ACATTTATGGCTGGCAGCCGACAGCATGGACGAAGCTGAATGGCGGGATTTACGGCGGATTTTGTTGCAACAAGAGACGC
AAAGATAA

Antitoxin


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

>AT98593 WP_000354046.1 NZ_CP027390:4928016-4928282 [Escherichia coli]
MDINNKARIHWACRRGMRELDISIMPFFEHEYDSLSDDEKRIFIRLLECDDPDLFNWLMNHGKPADAELEMMVRLIQTRN
RERGPVAI

Download         Length: 267 bp

>AT98593 NZ_CP027390:4928016-4928282 [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