Detailed information of TA system    

insolicoBioinformatically predicted

Overview


TA module


Type II Classification (family/domain) relBE/ParE-RelB
Location 4000733..4001259 Replicon chromosome
Accession NZ_CP121223
Organism Shigella flexneri 2a strain Sflex 21-42

Toxin (Protein)


Gene name relE Uniprot ID S1EXL1
Locus tag P5F89_RS21995 Protein ID WP_000323025.1
Coordinates 4000972..4001259 (+) Length 96 a.a.

Antitoxin (Protein)


Gene name relB Uniprot ID S1F6D3
Locus tag P5F89_RS21990 Protein ID WP_000534858.1
Coordinates 4000733..4000972 (+) Length 80 a.a.

Genomic Context


Locus tag Coordinates Strand Size (bp) Protein ID Product Description
P5F89_RS21970 (3998008) 3998008..3998757 - 750 Protein_3871 fimbrial protein -
P5F89_RS21975 (3998813) 3998813..3999510 + 698 WP_225620329.1 IS1 family transposase -
P5F89_RS21980 (3999528) 3999528..4000406 + 879 Protein_3873 IS3-like element IS600 family transposase -
P5F89_RS21985 (4000403) 4000403..4000708 - 306 WP_071818640.1 hypothetical protein -
P5F89_RS21990 (4000733) 4000733..4000972 + 240 WP_000534858.1 type II toxin-antitoxin system antitoxin RelB Antitoxin
P5F89_RS21995 (4000972) 4000972..4001259 + 288 WP_000323025.1 type II toxin-antitoxin system mRNA interferase RelE Toxin
P5F89_RS22000 (4001331) 4001331..4001486 + 156 WP_000813254.1 type I toxin-antitoxin system toxin HokD -
P5F89_RS22005 (4001704) 4001704..4001955 + 252 WP_000980987.1 protein Rem -
P5F89_RS22010 (4002022) 4002022..4002300 + 279 Protein_3879 hypothetical protein -
P5F89_RS22015 (4002302) 4002302..4003351 + 1050 WP_001265249.1 DUF968 domain-containing protein -
P5F89_RS22020 (4003364) 4003364..4003720 + 357 WP_000904111.1 RusA family crossover junction endodeoxyribonuclease -
P5F89_RS22025 (4003735) 4003735..4004556 + 822 WP_000762882.1 antitermination protein -
P5F89_RS22040 (4005477) 4005477..4005585 + 109 Protein_3883 DUF3927 family protein -
P5F89_RS22045 (4005866) 4005866..4006201 - 336 WP_000871291.1 anti-adapter protein IraM -

Associated MGEs


MGE
detail
Similar
MGEs
Relative
position
MGE Type Cargo ARG Virulence gene Coordinates Length (bp)
inside Prophage - - 3995395..4009398 14003


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

>T276100 WP_000323025.1 NZ_CP121223:4000972-4001259 [Shigella flexneri 2a]
MAYFLDFDERALKEWRKLGSTVREQLKKKLVEVLESPRIEANKLRGMPDCYKIKLRSSGYRLVYQVIDEKVVVFVISVGK
RERSEVYSEAVKRIL

Download         Length: 288 bp


Antitoxin


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

>AT276100 WP_000534858.1 NZ_CP121223:4000733-4000972 [Shigella flexneri 2a]
MGSINLRIDDELKARSYAALEKMGVTPSEALRLMLEYIADNERLPFKQTLLSDEDAELVEIVKERLRNPKPVRVTLDEL

Download         Length: 240 bp


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