Detailed information of TA system    

insolicoBioinformatically predicted

Overview


TA module


Type IV Classification (family/domain) cptAB/Cpta(toxin)
Location 833524..834178 Replicon chromosome
Accession NZ_CP055024
Organism Shigella flexneri strain SWHEFF_67

Toxin (Protein)


Gene name cptA Uniprot ID S1EEB2
Locus tag HUZ75_RS04090 Protein ID WP_000244777.1
Coordinates 833771..834178 (+) Length 136 a.a.

Antitoxin (Protein)


Gene name cptB Uniprot ID S1PPB1
Locus tag HUZ75_RS04085 Protein ID WP_000354046.1
Coordinates 833524..833790 (+) Length 89 a.a.

Genomic Context


Locus tag Coordinates Strand Size (bp) Protein ID Product Description
HUZ75_RS04060 (828693) 828693..829436 + 744 WP_000951964.1 SDR family oxidoreductase -
HUZ75_RS04065 (829493) 829493..830926 - 1434 WP_001336277.1 6-phospho-beta-glucosidase BglA -
HUZ75_RS04070 (830971) 830971..831282 + 312 WP_001182957.1 N(4)-acetylcytidine aminohydrolase -
HUZ75_RS04075 (831446) 831446..832105 + 660 WP_000250274.1 hemolysin III family protein -
HUZ75_RS04080 (832301) 832301..833281 - 981 WP_000886062.1 tRNA-modifying protein YgfZ -
HUZ75_RS04085 (833524) 833524..833790 + 267 WP_000354046.1 FAD assembly factor SdhE Antitoxin
HUZ75_RS04090 (833771) 833771..834178 + 408 WP_000244777.1 protein YgfX Toxin
HUZ75_RS04095 (834218) 834218..834739 - 522 WP_001055874.1 flavodoxin FldB -
HUZ75_RS04100 (834851) 834851..835747 + 897 WP_000806638.1 site-specific tyrosine recombinase XerD -
HUZ75_RS04105 (835772) 835772..836482 + 711 WP_000715214.1 bifunctional protein-disulfide isomerase/oxidoreductase DsbC -
HUZ75_RS04110 (836488) 836488..838221 + 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

>T161075 WP_000244777.1 NZ_CP055024:833771-834178 [Shigella flexneri]
VVLWQSDLRVSWRAQWLSLLIHGLVAAVILLMPWPLSYTPLWMVLLSLVVFDCVRSQRRINARQGEIRLLMDGRLRWQGQ
EWSIVKAPWMIKSGMMLRLRSDGGKRQHLWLAADSMDEAEWRDLRRILLQQETQR

Download         Length: 408 bp

>T161075 NZ_CP071021:c2279983-2279498 [Enterobacter hormaechei]
GTGGGACGTGTAACCCCCCCAGAGCCCTTATCCAGCGTCCATCAACTGGCGGAGTTCATCAGTGGAGAGGCCGTGCTTGA
CGAATGGTTAAAACAAAGAGGTCTGAAAAACCAGGCGCTTGGCGCAGCCCGAACGTTTGTCGTTTGTAAAACGGGCACAA
AGCAGGTCGCGGGATTTTACTCTCTGGCTACCGGCAGCGTTAACCATACGGAAGCGACAGGTAATTTGCGGCGTAACATG
CCGGATCCCATTCCCGTGATTATTCTTGCCCGTCTGGCTGTCGATGTCTCAATACGCGGAAATGGGTTGGGAGCCGATTT
ACTCCAGGATGCGGTTTTACGCTGTTATCGGGTAGCAGAGAATATTGGGGTGCGGGCGATCATGGTTCATGCACTCACTG
AGGACGCCAAAGCGTTTTATATCCACCATGGTTTTAAAGCATCGCAGACTCAGGAACGGACACTGTTTCTCAGGCTTCCT
CAGTAG

Antitoxin


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

>AT161075 WP_000354046.1 NZ_CP055024:833524-833790 [Shigella flexneri]
MDINNKARIHWACRRGMRELDISIMPFFEHEYDSLSDDEKRIFIRLLECDDPDLFNWLMNHGKPADAELEMMVRLIQTRN
RERGPVAI

Download         Length: 267 bp

>AT161075 NZ_CP071021:c2280237-2279971 [Enterobacter hormaechei]
ATGAAATCAGATGTTCAACTCAATCTTAGAGCCAAAGAATCCCAGCGGGCGCTTATCGATGCCGCCGCAGAGATCCTCCA
TAAATCACGTACTGACTTCATTCTGGAGATGGCCTGTCAGGCAGCCGAAAATGTGATCCTCGATCGGCGTGTATTCAATT
TTAACGATGAACAGTATGCAGAGTTCATTGATATGCTTGATGCCCCGGTCGCCGACGATCCTGCCATAGAAAAACTGCTG
GCAAGGAAACCTCAGTGGGACGTGTAA

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