Detailed information of TA system    

insolicoBioinformatically predicted

Overview


TA module


Type IV Classification (family/domain) cptAB/Cpta(toxin)
Location 3023731..3024385 Replicon chromosome
Accession NZ_CP026027
Organism Escherichia coli strain LIM

Toxin (Protein)


Gene name cptA Uniprot ID S1EEB2
Locus tag C2H82_RS15690 Protein ID WP_000244777.1
Coordinates 3023731..3024138 (-) Length 136 a.a.

Antitoxin (Protein)


Gene name cptB Uniprot ID S1PPB1
Locus tag C2H82_RS15695 Protein ID WP_000354046.1
Coordinates 3024119..3024385 (-) Length 89 a.a.

Genomic Context


Locus tag Coordinates Strand Size (bp) Protein ID Product Description
C2H82_RS15670 3019688..3021421 - 1734 WP_000813200.1 single-stranded-DNA-specific exonuclease RecJ -
C2H82_RS15675 3021427..3022137 - 711 WP_000715214.1 bifunctional protein-disulfide isomerase/oxidoreductase DsbC -
C2H82_RS15680 3022162..3023058 - 897 WP_000806638.1 site-specific tyrosine recombinase XerD -
C2H82_RS15685 3023170..3023691 + 522 WP_001055874.1 flavodoxin FldB -
C2H82_RS15690 3023731..3024138 - 408 WP_000244777.1 toxin CptA Toxin
C2H82_RS15695 3024119..3024385 - 267 WP_000354046.1 FAD assembly factor SdhE Antitoxin
C2H82_RS15700 3024628..3025608 + 981 WP_000886062.1 tRNA-modifying protein YgfZ -
C2H82_RS15705 3025804..3026463 - 660 WP_000250274.1 hemolysin III family protein -
C2H82_RS15710 3026627..3026938 - 312 WP_001182957.1 N(4)-acetylcytidine aminohydrolase -
C2H82_RS15715 3026983..3028416 + 1434 WP_001336277.1 6-phospho-beta-glucosidase BglA -
C2H82_RS15720 3028473..3029216 - 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

>T92817 WP_000244777.1 NZ_CP026027:c3024138-3023731 [Escherichia coli]
VVLWQSDLRVSWRAQWLSLLIHGLVAAVILLMPWPLSYTPLWMVLLSLVVFDCVRSQRRINARQGEIRLLMDGRLRWQGQ
EWSIVKAPWMIKSGMMLRLRSDGGKRQHLWLAADSMDEAEWRDLRRILLQQETQR

Download         Length: 408 bp

>T92817 NZ_CP026027:c3024138-3023731 [Escherichia coli]
GTGGTCCTGTGGCAATCTGATTTGCGCGTCTCCTGGCGCGCACAGTGGCTTTCCTTGCTGATTCATGGGCTGGTTGCCGC
TGTTATTTTACTCATGCCCTGGCCACTCAGTTACACCCCGTTATGGATGGTGTTACTTTCGCTGGTGGTGTTTGATTGCG
TTCGCAGCCAGCGGCGTATTAATGCTCGCCAGGGGGAAATTCGCTTGTTGATGGACGGGCGTTTGCGTTGGCAAGGGCAG
GAGTGGAGCATCGTCAAAGCACCGTGGATGATTAAGAGCGGCATGATGCTGCGTTTACGTTCTGATGGCGGTAAACGGCA
ACATTTATGGCTGGCAGCCGACAGCATGGACGAAGCTGAATGGCGGGATTTACGGCGGATTTTGTTGCAACAAGAGACGC
AAAGATAA

Antitoxin


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

>AT92817 WP_000354046.1 NZ_CP026027:c3024385-3024119 [Escherichia coli]
MDINNKARIHWACRRGMRELDISIMPFFEHEYDSLSDDEKRIFIRLLECDDPDLFNWLMNHGKPADAELEMMVRLIQTRN
RERGPVAI

Download         Length: 267 bp

>AT92817 NZ_CP026027:c3024385-3024119 [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