Detailed information of TA system    

insolicoBioinformatically predicted

Overview


TA module


Type II Classification (family/domain) relBE/ParE-RelB
Location 1628111..1628637 Replicon chromosome
Accession NZ_CP012137
Organism Shigella flexneri 2a strain 981

Toxin (Protein)


Gene name relE Uniprot ID S1EXL1
Locus tag AD867_RS08930 Protein ID WP_000323025.1
Coordinates 1628111..1628398 (-) Length 96 a.a.

Antitoxin (Protein)


Gene name relB Uniprot ID S1F6D3
Locus tag AD867_RS08935 Protein ID WP_000534858.1
Coordinates 1628398..1628637 (-) Length 80 a.a.

Genomic Context


Locus tag Coordinates Strand Size (bp) Protein ID Product Description
AD867_RS08875 (1623169) 1623169..1623504 + 336 WP_000871291.1 anti-adapter protein IraM -
AD867_RS30050 (1623785) 1623785..1623893 - 109 Protein_1633 DUF3927 family protein -
AD867_RS08900 (1624814) 1624814..1625635 - 822 WP_000762882.1 antitermination protein -
AD867_RS08905 (1625650) 1625650..1626006 - 357 WP_000904111.1 RusA family crossover junction endodeoxyribonuclease -
AD867_RS08910 (1626019) 1626019..1627068 - 1050 WP_001265249.1 DUF968 domain-containing protein -
AD867_RS08915 (1627070) 1627070..1627348 - 279 Protein_1637 hypothetical protein -
AD867_RS08920 (1627415) 1627415..1627666 - 252 WP_000980987.1 protein Rem -
AD867_RS08925 (1627884) 1627884..1628039 - 156 WP_000813254.1 type I toxin-antitoxin system toxin HokD -
AD867_RS08930 (1628111) 1628111..1628398 - 288 WP_000323025.1 type II toxin-antitoxin system mRNA interferase RelE Toxin
AD867_RS08935 (1628398) 1628398..1628637 - 240 WP_000534858.1 type II toxin-antitoxin system antitoxin RelB Antitoxin
AD867_RS27415 (1628662) 1628662..1628967 + 306 WP_071818640.1 hypothetical protein -
AD867_RS27420 (1628964) 1628964..1630120 - 1157 Protein_1643 IS3-like element IS600 family transposase -
AD867_RS08945 (1630182) 1630182..1631201 + 1020 Protein_1644 MHS family MFS transporter YdfJ -
AD867_RS08950 (1631290) 1631290..1632750 + 1461 WP_000527804.1 mannitol dehydrogenase family protein -
AD867_RS08955 (1632786) 1632786..1632989 - 204 WP_000214712.1 putative selenium delivery protein YdfZ -

Associated MGEs


MGE
detail
Similar
MGEs
Relative
position
MGE Type Cargo ARG Virulence gene Coordinates Length (bp)
- inside Prophage - - 1617198..1639155 21957


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.



Sequences


Toxin        


Download         Length: 96 a.a.        Molecular weight: 11225.22 Da        Isoelectric Point: 10.1967

>T55975 WP_000323025.1 NZ_CP012137:c1628398-1628111 [Shigella flexneri 2a]
MAYFLDFDERALKEWRKLGSTVREQLKKKLVEVLESPRIEANKLRGMPDCYKIKLRSSGYRLVYQVIDEKVVVFVISVGK
RERSEVYSEAVKRIL

Download         Length: 288 bp

>T55975 NZ_CP012137:c1628398-1628111 [Shigella flexneri 2a]
ATGGCGTATTTTCTGGATTTTGACGAGCGGGCACTAAAGGAATGGCGAAAGCTGGGCTCGACGGTACGTGAACAGTTGAA
AAAGAAGCTGGTTGAAGTACTTGAGTCACCCCGGATTGAAGCAAACAAGCTCCGTGGTATGCCTGATTGTTACAAGATTA
AGCTCCGGTCTTCAGGCTATCGCCTTGTATACCAGGTTATAGACGAGAAAGTTGTCGTTTTCGTGATTTCTGTTGGGAAA
AGAGAACGCTCGGAAGTATATAGCGAGGCGGTCAAACGCATTCTCTGA

Antitoxin


Download         Length: 80 a.a.        Molecular weight: 9071.48 Da        Isoelectric Point: 4.5230

>AT55975 WP_000534858.1 NZ_CP012137:c1628637-1628398 [Shigella flexneri 2a]
MGSINLRIDDELKARSYAALEKMGVTPSEALRLMLEYIADNERLPFKQTLLSDEDAELVEIVKERLRNPKPVRVTLDEL

Download         Length: 240 bp

>AT55975 NZ_CP012137:c1628637-1628398 [Shigella flexneri 2a]
ATGGGTAGCATTAACCTGCGTATTGACGATGAACTTAAAGCGCGTTCTTACGCCGCGCTTGAAAAAATGGGTGTAACTCC
TTCTGAAGCGCTTCGTCTCATGCTCGAGTATATCGCTGACAATGAACGCTTGCCGTTCAAACAGACACTCCTGAGTGATG
AAGATGCTGAACTTGTGGAGATAGTGAAAGAACGGCTTCGTAATCCTAAGCCAGTACGTGTGACGCTGGATGAACTCTGA

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
PDB 4V7K
PDB 4V7J
PDB 4FXI
PDB 4FXE
PDB 2KC8
PDB 4FXH
PDB 2KC9


Antitoxin

Source ID Structure
PDB 4FXE
PDB 2KC8
PDB 2K29
AlphaFold DB A0A4V1CTS8

References