Detailed information of TA system    

insolicoBioinformatically predicted

Overview


TA module


Type IV Classification (family/domain) cptAB/Cpta(toxin)
Location 3900499..3901153 Replicon chromosome
Accession NZ_CP082773
Organism Escherichia coli O99:H6 strain CU42ET-1

Toxin (Protein)


Gene name cptA Uniprot ID S1PAM6
Locus tag K8B87_RS18630 Protein ID WP_000244781.1
Coordinates 3900499..3900906 (-) Length 136 a.a.

Antitoxin (Protein)


Gene name cptB Uniprot ID S1PPB1
Locus tag K8B87_RS18635 Protein ID WP_000354046.1
Coordinates 3900887..3901153 (-) Length 89 a.a.

Genomic Context


Locus tag Coordinates Strand Size (bp) Protein ID Product Description
K8B87_RS18610 (3896456) 3896456..3898189 - 1734 WP_000813189.1 single-stranded-DNA-specific exonuclease RecJ -
K8B87_RS18615 (3898195) 3898195..3898905 - 711 WP_000715230.1 bifunctional protein-disulfide isomerase/oxidoreductase DsbC -
K8B87_RS18620 (3898930) 3898930..3899826 - 897 WP_087602758.1 site-specific tyrosine recombinase XerD -
K8B87_RS18625 (3899938) 3899938..3900459 + 522 WP_001055874.1 flavodoxin FldB -
K8B87_RS18630 (3900499) 3900499..3900906 - 408 WP_000244781.1 protein YgfX Toxin
K8B87_RS18635 (3900887) 3900887..3901153 - 267 WP_000354046.1 FAD assembly factor SdhE Antitoxin
K8B87_RS18640 (3901396) 3901396..3902376 + 981 WP_001553396.1 tRNA-modifying protein YgfZ -
K8B87_RS18645 (3902453) 3902453..3903112 - 660 WP_000250274.1 hemolysin III family protein -
K8B87_RS18650 (3903276) 3903276..3903587 - 312 WP_001182956.1 N(4)-acetylcytidine aminohydrolase -
K8B87_RS18655 (3903632) 3903632..3905065 + 1434 WP_140395597.1 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

>T214911 WP_000244781.1 NZ_CP082773:c3900906-3900499 [Escherichia coli O99:H6]
VVLWQSDLRVSWRAQWLSLLIHGLVAAVILLMPWPLSYTPLWMVLLSLVVFDCVRSQRRINARQGEIRLLMDGRLRWQGQ
EWSIVKAPWMIKSGMMLRLRSDSGKRQHLWLAADSMDEAEWRDLRRILLQQETQR

Download         Length: 408 bp

>T214911 NZ_CP110342:c2926068-2925250 [Marinobacter sp. AN1]
TTGAGCTACCTGGAGCGAATATACACCCAGACGGGGCCACTCAAGGGGCAGGTTTACCGGGTGGCGGAAACCCAGGAGAA
ATCCGCCACCACCGATATCGTCGACACCGCTGAAGAGCAGTCTCGCCTTGAAGAGCTACTGGAAGAAAGCAAGCCGCCTT
ACACGCACCCTGATCGTGGGCTGCACTACCTGTTGAAAACGCCATTTCGATATCCGCCGTTGCGTTATGGTTCTCGCTTC
GGGCGAGTCTTCGAGAAAAGCCTGTTTTACGGTTCTGCCGACACCCAAACGGCGTTGTCGGAAACCGCTTATTACCGGCT
GGTGTTCGTTCGGGACACTACAAAGCCGTTCCCCAGGCCGGTCAAATCCCACCATACAATCTTTGAAGCGTCGGTAGGGG
TGGAAAAGGGGCTCCAGCTTCAATCGTCCGCCTGGCGCGATGTTCGGGACAAGCTGACCCATCCGTCGGATTATGCGTTT
ACCCAGGCTCTGGGGGGCGAGATGCGGGAAGCTGGTGTTCAGGCGTTCCAGTTTATTTCAGCCCGGGCAGTGCAGGTGGG
GCTTCGGGCTCCCGACGCTGAAGACAGGGCTGCAGGAAAGTCCAAGTCGGGGTTGAACGCAGTGGGCCTCAACTGGGGGG
TGTTCACGCCAAAAGCCTTCCGGCGGCGTCAGCCGAGTAATTTTCGGCCGATGATTGCCGTGACCACCCGAGAGCACGTA
TCCATTGTCGTGACGGAGCGTGATGGTACCTCTACCGCCGCGGAATTCCCTGCCGACAGATTTATGGTAGCCGGGCAGCT
TCCCCGTCCCGCGGTCTGA

Antitoxin


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

>AT214911 WP_000354046.1 NZ_CP082773:c3901153-3900887 [Escherichia coli O99:H6]
MDINNKARIHWACRRGMRELDISIMPFFEHEYDSLSDDEKRIFIRLLECDDPDLFNWLMNHGKPADAELEMMVRLIQTRN
RERGPVAI

Download         Length: 267 bp

>AT214911 NZ_CP110342:c2926430-2926065 [Marinobacter sp. AN1]
ATGACCCTGGCCGCCGCCACGCAAAACCGGACCAACGATCGCACTTTGCTCGCCAAGGCGCTTTTTAATGCCGCCGATGC
CATGGGGGTTGCCAAGGCTGACGTGTCAAAGATCGTTGGACGGGATCGTACCGGCATCACTCGCGACGGCATTGATCCGC
AGTCAAAGTCCGGCGAACTGGCGCTTATGTTTGTTCGTGTATACCGGGGGCTTTATGCACTGGTCGGTGGCGACCGGGAC
AATATGCGGCACTGGCTAACCACTGATAATGAGTACTTCGGCCAGGCGCCCCTGCAGACGATGAAAACCTGCGAGGGCCT
GGTGCGGGTAGTGATGTACCTCGATGCCATCCGGGGCAAGGTTTGA

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