Detailed information of TA system    

insolicoBioinformatically predicted

Overview


TA module


Type IV Classification (family/domain) cptAB/Cpta(toxin)
Location 2705284..2705938 Replicon chromosome
Accession NZ_CP063487
Organism Escherichia coli strain EF7-18-51

Toxin (Protein)


Gene name cptA Uniprot ID S1EEB2
Locus tag IQS15_RS13020 Protein ID WP_000244777.1
Coordinates 2705531..2705938 (+) Length 136 a.a.

Antitoxin (Protein)


Gene name cptB Uniprot ID S1PPB1
Locus tag IQS15_RS13015 Protein ID WP_000354046.1
Coordinates 2705284..2705550 (+) Length 89 a.a.

Genomic Context


Locus tag Coordinates Strand Size (bp) Protein ID Product Description
IQS15_RS12990 2700453..2701196 + 744 WP_000951964.1 SDR family oxidoreductase -
IQS15_RS12995 2701253..2702686 - 1434 WP_001336277.1 6-phospho-beta-glucosidase BglA -
IQS15_RS13000 2702731..2703042 + 312 WP_072711579.1 N(4)-acetylcytidine aminohydrolase -
IQS15_RS13005 2703206..2703865 + 660 WP_000250274.1 hemolysin III family protein -
IQS15_RS13010 2704061..2705041 - 981 WP_000886062.1 tRNA-modifying protein YgfZ -
IQS15_RS13015 2705284..2705550 + 267 WP_000354046.1 FAD assembly factor SdhE Antitoxin
IQS15_RS13020 2705531..2705938 + 408 WP_000244777.1 toxin CptA Toxin
IQS15_RS13025 2705978..2706499 - 522 WP_001055874.1 flavodoxin FldB -
IQS15_RS13030 2706611..2707507 + 897 WP_000806638.1 site-specific tyrosine recombinase XerD -
IQS15_RS13035 2707532..2708242 + 711 WP_000715214.1 bifunctional protein-disulfide isomerase/oxidoreductase DsbC -
IQS15_RS13040 2708248..2709981 + 1734 WP_000813200.1 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: 16031.96 Da        Isoelectric Point: 11.5202

>T178449 WP_000244777.1 NZ_CP063487:2705531-2705938 [Escherichia coli]
VVLWQSDLRVSWRAQWLSLLIHGLVAAVILLMPWPLSYTPLWMVLLSLVVFDCVRSQRRINARQGEIRLLMDGRLRWQGQ
EWSIVKAPWMIKSGMMLRLRSDGGKRQHLWLAADSMDEAEWRDLRRILLQQETQR

Download         Length: 408 bp

>T178449 NZ_CP084026:c1668310-1667936 [Escherichia coli]
ATGAAAACATTACCTGTATTACCCGGGCAGGCGGCCAGTTCTCGCCCGTCTCCTGTTGAAATCTGGCAGATACTGCTGTC
CCGACTGCTGGACCAGCACTATGGCCTCACACTGAATGACACACCTTTTGCCGATGAACGTGTGATTGAGCAGCATATTG
AGGCAGGCATTTCACTGTGTGATGCGGTGAACTTTCTCGTGGAAAAATACGCGCTGGTGCGTACCGACCAGCCGGGATTC
AGCGCCTGTACCCGCTCTCAGTTAATAAACAGCATCGATATCCTCCGGGCTCGCAGGGCGACCGGCCTGATGACCCGCGA
CAATTACAGAACGGTAAATAACATTACCCTGGGTAAGTATCCGGAGGCGAAATGA

Antitoxin


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

>AT178449 WP_000354046.1 NZ_CP063487:2705284-2705550 [Escherichia coli]
MDINNKARIHWACRRGMRELDISIMPFFEHEYDSLSDDEKRIFIRLLECDDPDLFNWLMNHGKPADAELEMMVRLIQTRN
RERGPVAI

Download         Length: 267 bp

>AT178449 NZ_CP084026:c1668767-1668399 [Escherichia coli]
GTGTCAGACACACTCCCCGGGACAACACTTCCCGACGACAATCACGACCGCCCCTGGTGGGGGCTGCCCTGCACCGTGAC
GCCCTGTTTCGGGGCACGTCTGGTGCAGGAGGGTAACCGGTTGCATTACCTTGCCGACCGCGCCGGTATCAGAGGCCTGT
TCAGCGATGCAGATGCGTACCACCTGGACCAGGCCTTTCCGCTGCTGATGAAACAACTGGAACTCATGCTCACCAGCGGT
GAACTGAATCCCCGCCATCAGCATACCGTCACGCTGTATGCAAAAGGGCTGACCTGCAAAGCCGATACCCTCAGCAGTTG
TGATTACGTTTATCTGGCTGTTTATCCGACGCCCGAAATGAAAAATTAA

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