Detailed information of TA system    

experimentalExperimentally validated    

Overview


TA module


Type I Classification (family/domain) ralRA/-
Location 1413556..1413927 Replicon chromosome
Accession NC_000913
Organism Escherichia coli str. K-12 substr. MG1655
T1TAdb ID TA04746

Toxin (Protein)


Gene name ralR Uniprot ID P33229
Locus tag b1348 Protein ID NP_415864.1
Coordinates 1413733..1413927 (-) Length 65 a.a.

Antitoxin (RNA)


Gene name ralA
Locus tag b4714
Coordinates 1413556..1413734 (+)

Genomic Context


Locus tag Coordinates Strand Size (bp) Protein ID Product Description
b4743 1409308..1409481 + 174 YP_009518775.1 protein YnaL -
b1343 1409511..1410884 + 1374 NP_415859.1 ATP-dependent RNA helicase DbpA -
b1344 1411013..1411948 - 936 NP_415860.1 tRNA cytosine(32) 2-sulfurtransferase TtcA -
b1345 1412000..1413235 - 1236 NP_415861.1 putative integrase -
b1346 1413237..1413452 - 216 NP_415862.4 excisionase -
b1347 1413531..1413740 - 210 NP_415863.1 double-strand break reduction protein -
- 1413556..1413734 + 179 - - Antitoxin
b1348 1413733..1413927 - 195 NP_415864.1 endodeoxyribonuclease toxin RalR Toxin
b1349 1413984..1414793 - 810 NP_415865.1 recombinase RecT -
b1350 1414786..1417386 - 2601 NP_415866.1 exonuclease VIII, ds DNA exonuclease, 5' --> 3' specific -
b1351 1417488..1417763 - 276 NP_415867.1 protein RacC -
b4526 1417838..1418008 - 171 YP_588451.1 zinc-binding protein -
b1352 1418008..1418229 - 222 NP_415869.2 inhibitor of FtsZ -

Associated MGEs


MGE
detail
Similar
MGEs
Relative
position
MGE Type Cargo ARG Virulence gene Coordinates Length (bp)
inside Prophage - - 1412000..1433674 21674


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

(6-54)


Sequences


Toxin        


Download         Length: 65 a.a.        Molecular weight: 7018.89 Da        Isoelectric Point: 8.9538

>T6362 NP_415864.1 NC_000913:c1413927-1413733 [Escherichia coli str. K-12 substr. MG1655]
MRYDNVKPCPFCGCPSVTVKAISGYYRAKCNGCESRTGYGGSEKEALERWNKRTTGNNNGGVHV

Download         Length: 195 bp

>T6362 NC_000913:c1413927-1413733 [Escherichia coli str. K-12 substr. MG1655]
ATGAGATATGACAATGTTAAACCATGTCCATTTTGTGGTTGTCCATCAGTAACGGTGAAAGCCATTTCAGGATATTACCG
AGCGAAGTGTAACGGATGCGAATCCCGAACCGGTTATGGTGGAAGTGAAAAAGAAGCACTCGAAAGATGGAATAAACGAA
CCACTGGAAATAATAATGGAGGTGTTCATGTATAA

Antitoxin


Download         Length: 179 bp

>AT6362 NC_000913:1413556-1413734 [Escherichia coli str. K-12 substr. MG1655]
GAGGACTGAAGTTTCTCGCAATTAAAATTTATCAGTTTTACTTTCTGCTCTCTGGAAACGCCTGCTTCTTTTTTACCTGA
GAGCATTTTTTCGCATTCTGATTTCGTTAGTTTAGATTTTGAATATCTTGTCCAGTTAGTAGGAGTGCCACCTTCCTTTT
CAATAGTGGCGGTAATTTT

Similar Proteins


Only experimentally validated proteins are listed.

Protein Organism Identities (%) Coverage (%) Ha-value
T10218 Escherichia coli O157:H7 str. EDL933

100

100

1


Multiple sequence alignment    


Protein Organism Identities (%) Coverage (%) Ha-value

Structures


Toxin

Source ID Structure
AlphaFold DB P33229


Antitoxin

Download structure file

References


(1) Yunxue Guo et al. (2014) RalR (a DNase) and RalA (a small RNA) form a type I toxin-antitoxin system in Escherichia coli. Nucleic Acids Research 42(10):6448-62. [PubMed:24748661] experimental


experimental experimental literature