Detailed information of TA system    

insolicoBioinformatically predicted

Overview


TA module


Type IV Classification (family/domain) cptAB/Cpta(toxin)
Location 3858042..3858696 Replicon chromosome
Accession NZ_CP025856
Organism Escherichia coli strain 504838

Toxin (Protein)


Gene name cptA Uniprot ID F4NJ21
Locus tag CXV93_RS19005 Protein ID WP_000244772.1
Coordinates 3858289..3858696 (+) Length 136 a.a.

Antitoxin (Protein)


Gene name cptB Uniprot ID S1PPB1
Locus tag CXV93_RS19000 Protein ID WP_000354046.1
Coordinates 3858042..3858308 (+) Length 89 a.a.

Genomic Context


Locus tag Coordinates Strand Size (bp) Protein ID Product Description
CXV93_RS18975 3853329..3854073 + 745 Protein_3649 SDR family oxidoreductase -
CXV93_RS18980 3854130..3855563 - 1434 WP_001344773.1 6-phospho-beta-glucosidase BglA -
CXV93_RS18985 3855608..3855919 + 312 WP_001182954.1 N(4)-acetylcytidine aminohydrolase -
CXV93_RS18990 3856083..3856742 + 660 WP_000250274.1 hemolysin III family protein -
CXV93_RS18995 3856819..3857799 - 981 WP_000886062.1 tRNA-modifying protein YgfZ -
CXV93_RS19000 3858042..3858308 + 267 WP_000354046.1 FAD assembly factor SdhE Antitoxin
CXV93_RS19005 3858289..3858696 + 408 WP_000244772.1 protein YgfX Toxin
CXV93_RS19010 3858736..3859257 - 522 WP_001055874.1 flavodoxin FldB -
CXV93_RS19015 3859369..3860265 + 897 WP_000806638.1 site-specific tyrosine recombinase XerD -
CXV93_RS19020 3860290..3861000 + 711 WP_000715214.1 bifunctional protein-disulfide isomerase/oxidoreductase DsbC -
CXV93_RS19025 3861006..3862739 + 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

(3-131)

Antitoxin

(7-79)


Sequences


Toxin        


Download         Length: 136 a.a.        Molecular weight: 16048.02 Da        Isoelectric Point: 11.2511

>T92158 WP_000244772.1 NZ_CP025856:3858289-3858696 [Escherichia coli]
VVLWQSDLRVSWRAQWLSLLIHGLVAAVILLMPWPLSYTPLWMVLLSLVVFDCVRSQRRINARQGEIRLLMDGRLRWQGQ
EWCIVKAPWMIKSGMMLRLRSDGGKRQHLWLAADSMDEAEWRDLRRILLQQETQR

Download         Length: 408 bp

>T92158 NZ_CP025856:3858289-3858696 [Escherichia coli]
GTGGTCCTGTGGCAATCTGATTTGCGCGTCTCCTGGCGCGCACAGTGGCTTTCCTTGCTGATTCATGGGCTGGTTGCCGC
TGTTATTTTACTCATGCCCTGGCCACTCAGTTACACCCCGTTATGGATGGTGTTACTTTCGCTGGTGGTGTTTGATTGCG
TTCGCAGCCAGCGGCGTATTAATGCTCGCCAGGGGGAAATTCGCTTGTTGATGGACGGGCGTTTGCGTTGGCAAGGGCAG
GAGTGGTGCATCGTCAAAGCACCGTGGATGATTAAGAGCGGCATGATGCTGCGTTTACGTTCTGATGGCGGTAAACGGCA
ACATTTATGGCTGGCAGCCGACAGCATGGACGAAGCCGAATGGCGGGATTTACGGCGGATTTTGTTGCAACAAGAGACGC
AAAGATAA

Antitoxin


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

>AT92158 WP_000354046.1 NZ_CP025856:3858042-3858308 [Escherichia coli]
MDINNKARIHWACRRGMRELDISIMPFFEHEYDSLSDDEKRIFIRLLECDDPDLFNWLMNHGKPADAELEMMVRLIQTRN
RERGPVAI

Download         Length: 267 bp

>AT92158 NZ_CP025856:3858042-3858308 [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 A0A0E0XYB4


Antitoxin

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

References