Detailed information of TA system    

insolicoBioinformatically predicted

Overview


TA module


Type IV Classification (family/domain) cptAB/Cpta(toxin)
Location 1146687..1147341 Replicon chromosome
Accession NZ_CP038342
Organism Escherichia coli O157:H7 strain H2495

Toxin (Protein)


Gene name cptA Uniprot ID S1PAM6
Locus tag E3163_RS05580 Protein ID WP_000244781.1
Coordinates 1146687..1147094 (-) Length 136 a.a.

Antitoxin (Protein)


Gene name cptB Uniprot ID S1PPB1
Locus tag E3163_RS05585 Protein ID WP_000354046.1
Coordinates 1147075..1147341 (-) Length 89 a.a.

Genomic Context


Locus tag Coordinates Strand Size (bp) Protein ID Product Description
E3163_RS05560 1142644..1144377 - 1734 WP_000813185.1 single-stranded-DNA-specific exonuclease RecJ -
E3163_RS05565 1144383..1145093 - 711 WP_000715214.1 bifunctional protein-disulfide isomerase/oxidoreductase DsbC -
E3163_RS05570 1145118..1146014 - 897 WP_000806640.1 site-specific tyrosine recombinase XerD -
E3163_RS05575 1146126..1146647 + 522 WP_001055874.1 flavodoxin FldB -
E3163_RS05580 1146687..1147094 - 408 WP_000244781.1 protein YgfX Toxin
E3163_RS05585 1147075..1147341 - 267 WP_000354046.1 FAD assembly factor SdhE Antitoxin
E3163_RS05590 1147584..1148564 + 981 WP_000886053.1 tRNA-modifying protein YgfZ -
E3163_RS05595 1148641..1149300 - 660 WP_000250274.1 hemolysin III family protein -
E3163_RS05600 1149464..1149775 - 312 WP_001182957.1 N(4)-acetylcytidine aminohydrolase -
E3163_RS05605 1149820..1151253 + 1434 WP_001310226.1 6-phospho-beta-glucosidase BglA -

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: 16061.99 Da        Isoelectric Point: 11.5202

>T121663 WP_000244781.1 NZ_CP038342:c1147094-1146687 [Escherichia coli O157:H7]
VVLWQSDLRVSWRAQWLSLLIHGLVAAVILLMPWPLSYTPLWMVLLSLVVFDCVRSQRRINARQGEIRLLMDGRLRWQGQ
EWSIVKAPWMIKSGMMLRLRSDSGKRQHLWLAADSMDEAEWRDLRRILLQQETQR

Download         Length: 408 bp

>T121663 NZ_CP038342:c1147094-1146687 [Escherichia coli O157:H7]
GTGGTCCTGTGGCAATCTGATTTGCGCGTCTCCTGGCGCGCACAGTGGCTTTCCTTGCTGATTCATGGGCTGGTTGCCGC
TGTTATTTTACTCATGCCCTGGCCGCTCAGTTACACCCCGTTATGGATGGTGTTACTTTCGCTGGTGGTGTTTGATTGCG
TTCGCAGCCAGCGGCGTATTAATGCTCGCCAGGGGGAAATTCGCTTGTTGATGGACGGGCGTTTGCGTTGGCAAGGGCAG
GAGTGGAGCATCGTCAAAGCGCCGTGGATGATTAAGAGCGGCATGATGCTGCGTTTACGTTCTGATAGCGGTAAACGGCA
ACATTTATGGCTGGCAGCCGACAGCATGGACGAAGCCGAATGGCGGGATTTACGGCGGATTTTGTTGCAACAAGAGACGC
AAAGATAA

Antitoxin


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

>AT121663 WP_000354046.1 NZ_CP038342:c1147341-1147075 [Escherichia coli O157:H7]
MDINNKARIHWACRRGMRELDISIMPFFEHEYDSLSDDEKRIFIRLLECDDPDLFNWLMNHGKPADAELEMMVRLIQTRN
RERGPVAI

Download         Length: 267 bp

>AT121663 NZ_CP038342:c1147341-1147075 [Escherichia coli O157:H7]
ATGGACATTAACAACAAAGCCCGCATTCATTGGGCATGCCGCCGTGGTATGCGCGAACTCGATATTTCAATCATGCCGTT
TTTCGAACATGAGTATGACAGCTTAAGCGATGACGAAAAACGCATCTTTATTCGTCTGCTGGAATGTGACGATCCCGATC
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 S1PAM6


Antitoxin

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

References