28

Detailed information of TA system    

experimentalExperimentally validated    

Overview


TA module


Type II Classification (family/domain) relBE/-
Location 946345..946969 Replicon chromosome
Accession NC_000915
Organism Helicobacter pylori 26695

Toxin (Protein)


Gene name relE Uniprot ID O25554
Locus tag HP_RS04360 Protein ID WP_000916169.1
Coordinates 946345..946611 (-) Length 89 a.a.

Antitoxin (Protein)


Gene name relB Uniprot ID O25555
Locus tag HP_RS04365 Protein ID WP_001134075.1
Coordinates 946592..946969 (-) Length 126 a.a.

Genomic Context


Locus tag Coordinates Strand Size (bp) Protein ID Product Description
HP_RS04330 (HP0888) 942347..943114 - 768 WP_000242349.1 ABC transporter ATP-binding protein -
HP_RS04335 (HP0889) 943114..944094 - 981 WP_000921458.1 iron ABC transporter permease -
HP_RS04340 (HP0890) 944087..944935 - 849 WP_000504124.1 SDR family oxidoreductase -
HP_RS04345 (HP0891) 945075..945599 + 525 WP_001135603.1 acyl-CoA thioesterase -
HP_RS04350 (HP0892) 945691..945963 - 273 WP_000955518.1 type II toxin-antitoxin system mRNA interferase toxin, HP0892 family -
HP_RS04355 (HP0893) 945977..946264 - 288 WP_001134157.1 type II toxin-antitoxin system antitoxin -
HP_RS04360 (HP0894) 946345..946611 - 267 WP_000916169.1 type II toxin-antitoxin system mRNA interferase toxin, RelE/StbE family Toxin
HP_RS04365 (HP0895) 946592..946969 - 378 WP_001134075.1 hypothetical protein Antitoxin
HP_RS04370 (HP0896) 947580..949706 - 2127 WP_000753173.1 Hop family adhesin BabB -
HP_RS04385 950510..950773 - 264 WP_015056067.1 hypothetical protein -
HP_RS04390 (HP0898) 950740..951852 - 1113 WP_000109824.1 hydrogenase formation protein HypD -

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

(3-88)

Antitoxin


No domain identified.



Sequences


Toxin        


Download         Length: 89 a.a.        Molecular weight: 10344.18 Da        Isoelectric Point: 8.0602

>T28 WP_000916169.1 NC_000915:c946611-946345 [Helicobacter pylori 26695]
VLKLNLKKSFQKDFDKLLLNGFDDSVLNEVILTLRKKEPLDPQFQDHALKGKWKPFRECHIKPDVLLVYLVKDDELILLR
LGSHSELF

Download         Length: 267 bp

>T28 NC_000915:c946611-946345 [Helicobacter pylori 26695]
GTGTTGAAGCTCAATCTTAAAAAATCTTTTCAAAAAGATTTTGATAAATTGCTTTTGAATGGGTTTGATGATAGCGTTTT
GAATGAAGTCATTCTAACCTTAAGAAAAAAAGAACCGCTAGATCCACAATTTCAAGATCATGCCTTAAAGGGAAAGTGGA
AACCTTTTAGGGAATGCCACATTAAGCCTGATGTTTTGCTTGTGTATTTAGTGAAAGATGATGAACTGATTTTGTTAAGG
TTAGGCAGTCATAGCGAGCTGTTTTAA

Antitoxin


Download         Length: 126 a.a.        Molecular weight: 14713.74 Da        Isoelectric Point: 9.0068

>AT28 WP_001134075.1 NC_000915:c946969-946592 [Helicobacter pylori 26695]
MPNTTAKKDYTKYSKKQLFNLIHQLERKIKKMQNDRISFKEKMAKELEKRDQNFKDKIDALNELLQKISQAFDDKRDCCL
GHEIPNIETQQAMRDVGNKETDLIVEDFSSYSNERKRALGVEAQS

Download         Length: 378 bp

>AT28 NC_000915:c946969-946592 [Helicobacter pylori 26695]
ATGCCTAACACCACCGCCAAAAAAGACTACACAAAATACAGCAAAAAACAGCTTTTTAATTTAATCCATCAATTAGAGCG
AAAAATCAAAAAGATGCAAAATGATAGAATTTCTTTTAAAGAAAAAATGGCTAAAGAATTGGAAAAAAGGGATCAAAACT
TTAAGGATAAAATAGACGCGTTAAATGAACTCTTGCAAAAAATCAGTCAAGCTTTTGATGATAAAAGAGATTGTTGTTTG
GGGCATGAGATCCCAAACATTGAAACGCAACAAGCCATGAGAGATGTAGGTAACAAAGAGACAGATTTGATTGTTGAGGA
TTTTTCTAGTTACAGCAATGAAAGAAAAAGGGCTTTAGGTGTTGAAGCTCAATCTTAA

Similar Proteins


Only experimentally validated proteins are listed.


Structures


Toxin

Source ID Structure
PDB 1Z8M
PDB 4LSY
PDB 4LTT
PDB 4LS4


Antitoxin

Source ID Structure
AlphaFold DB A0A2J9KIQ1

References


(1) Ae-Ran Kwon et al. (2012) Structural and biochemical characterization of HP0315 from Helicobacter pylori as a VapD protein with an endoribonuclease activity. Nucleic Acids Research 40(9):4216-28. [PubMed:22241770] 3D_structure

(2) Chinar Pathak et al. (2013) Crystal structure of apo and copper bound HP0894 toxin from Helicobacter pylori 26695 and insight into mRNase activity. Biochimica Et Biophysica Acta 1834(12):2579-90. [PubMed:24060809] 3D_structure

(3) Julija Armalyte et al. (2012) Characterization of Escherichia coli dinJ-yafQ toxin-antitoxin system using insights from mutagenesis data. Journal of Bacteriology 194(6):1523-32. [PubMed:22247505] experimental

(4) Kyung-Doo Han et al. (2011) Functional identification of toxin-antitoxin molecules from Helicobacter pylori 26695 and structural elucidation of the molecular interactions. The Journal of Biological Chemistry 286(6):4842-53. [PubMed:21123184] experimental


experimental experimental literature
3D_structure protein structure literature