Detailed information of TA system    

insolicoBioinformatically predicted

Overview


TA module


Type IV Classification (family/domain) cptAB/Cpta(toxin)
Location 1767020..1767674 Replicon chromosome
Accession NZ_CP043185
Organism Escherichia coli O16:H48 strain PG20180171

Toxin (Protein)


Gene name cptA Uniprot ID S1EEB2
Locus tag FYA18_RS08595 Protein ID WP_000244777.1
Coordinates 1767020..1767427 (-) Length 136 a.a.

Antitoxin (Protein)


Gene name cptB Uniprot ID S1PPB1
Locus tag FYA18_RS08600 Protein ID WP_000354046.1
Coordinates 1767408..1767674 (-) Length 89 a.a.

Genomic Context


Locus tag Coordinates Strand Size (bp) Protein ID Product Description
FYA18_RS08575 1762977..1764710 - 1734 WP_000813200.1 single-stranded-DNA-specific exonuclease RecJ -
FYA18_RS08580 1764716..1765426 - 711 WP_000715214.1 bifunctional protein-disulfide isomerase/oxidoreductase DsbC -
FYA18_RS08585 1765451..1766347 - 897 WP_000806638.1 site-specific tyrosine recombinase XerD -
FYA18_RS08590 1766459..1766980 + 522 WP_001055874.1 flavodoxin FldB -
FYA18_RS08595 1767020..1767427 - 408 WP_000244777.1 toxin CptA Toxin
FYA18_RS08600 1767408..1767674 - 267 WP_000354046.1 FAD assembly factor SdhE Antitoxin
FYA18_RS08605 1767917..1768897 + 981 WP_000886062.1 tRNA-modifying protein YgfZ -
FYA18_RS08610 1769093..1769752 - 660 WP_000250274.1 hemolysin III family protein -
FYA18_RS08615 1769916..1770227 - 312 WP_001182957.1 N(4)-acetylcytidine aminohydrolase -
FYA18_RS08620 1770272..1771705 + 1434 WP_001336277.1 6-phospho-beta-glucosidase BglA -
FYA18_RS08625 1771762..1772505 - 744 WP_000951964.1 SDR family oxidoreductase -

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

(3-131)

Antitoxin

(7-79)


Sequences


Toxin        


Download         Length: 136 a.a.        Molecular weight: 16031.96 Da        Isoelectric Point: 11.5202

>T137442 WP_000244777.1 NZ_CP043185:c1767427-1767020 [Escherichia coli O16:H48]
VVLWQSDLRVSWRAQWLSLLIHGLVAAVILLMPWPLSYTPLWMVLLSLVVFDCVRSQRRINARQGEIRLLMDGRLRWQGQ
EWSIVKAPWMIKSGMMLRLRSDGGKRQHLWLAADSMDEAEWRDLRRILLQQETQR

Download         Length: 408 bp

>T137442 NZ_CP043185:c1767427-1767020 [Escherichia coli O16:H48]
GTGGTCCTGTGGCAATCTGATTTGCGCGTCTCCTGGCGCGCACAGTGGCTTTCCTTGCTGATTCATGGGCTGGTTGCCGC
TGTTATTTTACTCATGCCCTGGCCACTCAGTTACACCCCGTTATGGATGGTGTTACTTTCGCTGGTGGTGTTTGATTGCG
TTCGCAGCCAGCGGCGTATTAATGCTCGCCAGGGGGAAATTCGCTTGTTGATGGACGGGCGTTTGCGTTGGCAAGGGCAG
GAGTGGAGCATCGTCAAAGCACCGTGGATGATTAAGAGCGGCATGATGCTGCGTTTACGTTCTGATGGCGGTAAACGGCA
ACATTTATGGCTGGCAGCCGACAGCATGGACGAAGCTGAATGGCGGGATTTACGGCGGATTTTGTTGCAACAAGAGACGC
AAAGATAA

Antitoxin


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

>AT137442 WP_000354046.1 NZ_CP043185:c1767674-1767408 [Escherichia coli O16:H48]
MDINNKARIHWACRRGMRELDISIMPFFEHEYDSLSDDEKRIFIRLLECDDPDLFNWLMNHGKPADAELEMMVRLIQTRN
RERGPVAI

Download         Length: 267 bp

>AT137442 NZ_CP043185:c1767674-1767408 [Escherichia coli O16:H48]
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