6075

Detailed information of TA system    

experimentalExperimentally validated    

Overview


TA module


Type II Classification (family/domain) rnlAB/-
Location 2743827..2745264 Replicon chromosome
Accession NC_017638
Organism Escherichia coli DH1

Toxin (Protein)


Gene name rnlA Uniprot ID P52129
Locus tag ECDH1ME8569_RS13545 Protein ID WP_000155570.1
Coordinates 2743827..2744900 (+) Length 358 a.a.

Antitoxin (Protein)


Gene name rnlB Uniprot ID P52130
Locus tag ECDH1ME8569_RS13550 Protein ID WP_000461704.1
Coordinates 2744893..2745264 (+) Length 124 a.a.

Genomic Context


Locus tag Coordinates Strand Size (bp) Protein ID Product Description
ECDH1ME8569_RS13530 (ECDH1ME8569_2546) 2739260..2741449 - 2190 WP_000136402.1 DEAD/DEAH box helicase -
ECDH1ME8569_RS13535 (ECDH1ME8569_2547) 2741446..2743062 - 1617 WP_000445380.1 anti-bacteriophage protein AbpA -
ECDH1ME8569_RS13540 (ECDH1ME8569_2548) 2743422..2743685 - 264 WP_000502050.1 DUF1524 domain-containing protein -
ECDH1ME8569_RS13545 (ECDH1ME8569_2549) 2743827..2744900 + 1074 WP_000155570.1 type II toxin-antitoxin system toxin mRNA endoribonuclease RnlA Toxin
ECDH1ME8569_RS13550 (ECDH1ME8569_2550) 2744893..2745264 + 372 WP_000461704.1 type II toxin-antitoxin system antitoxin RnlB Antitoxin
ECDH1ME8569_RS13555 (ECDH1ME8569_2551) 2745619..2746482 + 864 WP_000787597.1 GTPase family protein -
ECDH1ME8569_RS13560 (ECDH1ME8569_2552) 2746574..2747395 + 822 WP_000197391.1 DUF945 domain-containing protein -
ECDH1ME8569_RS13565 (ECDH1ME8569_2553) 2747612..2748313 + 702 WP_000189409.1 WYL domain-containing protein -
ECDH1ME8569_RS13570 (ECDH1ME8569_2554) 2748354..2748590 + 237 WP_001144029.1 hypothetical protein -
ECDH1ME8569_RS13575 (ECDH1ME8569_2555) 2748590..2749033 + 444 WP_000824222.1 hypothetical protein -
ECDH1ME8569_RS13580 (ECDH1ME8569_2556) 2749057..2749524 + 468 WP_000702495.1 hypothetical protein -
ECDH1ME8569_RS13585 (ECDH1ME8569_2557) 2749749..2750063 - 315 WP_000065803.1 arsenate reductase -

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.



Sequences


Toxin        


Download         Length: 358 a.a.        Molecular weight: 40061.13 Da        Isoelectric Point: 6.8293

>T6075 WP_000155570.1 NC_017638:2743827-2744900 [Escherichia coli DH1]
MTIRSYKNLNLVRANIETESRQFIENKNYSIQSIGPMPGSRAGLRVVFTRPGVNLATVDIFYNGDGSTTIQYLTGANRSL
GQELADHLFETINPAEFEQVNMVLQGFVETSVLPVLELSADESHIEFREHSRNAHTVVWKIISTSYQDELTVSLHITTGK
LQIQGRPLSCYRVFTFNLAALLDLQGLEKVLIRQEDGKANIVQQEVARTYLQTVMADAYPHLHVTAEKLLVSGLCVKLAA
PDLPDYCMLLYPELRTIEGVLKSKMSGLGMPVQQPAGFGTYFDKPAAHYILKPQFAATLRPEQINIISTAYTFFNVERHS
LFHMETVVDASRMISDMARLMGKATRAWGIIKDLYIV

Download         Length: 1074 bp

>T6075 NC_017638:2743827-2744900 [Escherichia coli DH1]
ATGACAATCAGGAGTTACAAAAACTTAAATCTGGTCAGGGCAAATATCGAGACTGAATCCAGACAATTCATTGAAAATAA
AAACTATTCAATCCAATCAATTGGTCCTATGCCAGGGTCAAGGGCTGGGCTTCGGGTCGTATTTACCAGACCAGGGGTTA
ACTTGGCAACTGTGGACATTTTTTATAACGGGGACGGTTCGACTACAATTCAATATCTCACTGGAGCCAATCGTTCTCTG
GGCCAAGAGTTAGCGGATCATCTTTTTGAAACCATCAATCCTGCTGAATTTGAGCAGGTAAATATGGTACTGCAAGGATT
TGTAGAGACAAGCGTTCTACCTGTACTTGAGCTATCAGCAGATGAATCGCATATAGAGTTCAGAGAACACTCTCGTAACG
CTCATACCGTAGTGTGGAAAATTATTTCCACCAGCTATCAGGACGAATTGACTGTGAGCCTGCATATCACAACAGGTAAG
CTCCAGATTCAGGGCCGACCGCTGTCATGTTACAGAGTTTTCACGTTTAACTTGGCAGCCCTGCTTGATTTACAGGGTTT
GGAGAAAGTGCTAATCCGCCAGGAGGATGGTAAAGCTAATATTGTTCAACAGGAGGTTGCCCGCACTTACTTGCAGACTG
TAATGGCCGATGCTTACCCGCATCTCCACGTGACTGCCGAAAAATTGCTCGTTTCAGGGCTATGTGTTAAACTCGCCGCC
CCTGATTTGCCTGACTACTGTATGTTACTTTATCCTGAACTACGCACCATTGAAGGTGTCTTAAAAAGTAAGATGAGTGG
GTTAGGCATGCCAGTACAGCAGCCGGCAGGTTTTGGAACTTACTTTGATAAACCTGCTGCTCATTACATTCTGAAACCGC
AATTTGCAGCTACTCTTAGACCGGAACAGATTAACATCATCAGCACAGCCTATACTTTTTTTAATGTGGAACGTCATTCT
CTGTTCCACATGGAAACTGTGGTCGATGCCAGCCGTATGATTTCTGATATGGCCCGGTTGATGGGTAAAGCCACTAGAGC
GTGGGGAATAATCAAGGACTTATATATTGTTTGA

Antitoxin


Download         Length: 124 a.a.        Molecular weight: 13664.69 Da        Isoelectric Point: 4.2391

>AT6075 WP_000461704.1 NC_017638:2744893-2745264 [Escherichia coli DH1]
MFEITGINVSGALKAVVMATGFENPLSSVNEIETKLSALLGSETTGEILFDLLCANGPEWNRFVTLEMKYGRIMLDTAKI
IDEQDVPTHILSKLTFTLRNHPEYLEASVLSPDDVRQVLSMDF

Download         Length: 372 bp

>AT6075 NC_017638:2744893-2745264 [Escherichia coli DH1]
TTGTTTGAAATCACCGGAATTAACGTCTCAGGGGCTCTAAAAGCTGTCGTTATGGCGACCGGCTTCGAGAACCCTTTGTC
CTCAGTTAATGAAATTGAGACGAAACTTTCTGCCCTACTGGGTAGTGAGACCACTGGTGAAATCCTTTTTGACCTCTTGT
GCGCTAACGGTCCAGAGTGGAACCGCTTCGTTACGCTGGAAATGAAATATGGCCGGATCATGCTGGATACGGCCAAAATT
ATTGATGAGCAGGACGTTCCGACACATATCCTGAGCAAACTGACTTTTACTTTACGTAATCATCCTGAGTACCTAGAAGC
CTCTGTTTTGTCTCCCGATGATGTACGCCAAGTCCTGTCAATGGATTTTTGA

Similar Proteins


Only experimentally validated proteins are listed.

Protein Organism Identities (%) Coverage (%) Ha-value
T10023 Escherichia coli BW25113

100

100

1

T10022 Escherichia coli str. K-12 substr. W3110 strain K-12 substr. ZK126

100

100

1

T6077 Escherichia coli str. K-12 substr. MG1655

100

100

1

T6076 Escherichia coli BW2952

100

100

1


Multiple sequence alignment    


Protein Organism Identities (%) Coverage (%) Ha-value
AT10023 Escherichia coli BW25113

100

100

1

AT10022 Escherichia coli str. K-12 substr. W3110 strain K-12 substr. ZK126

100

100

1

AT6077 Escherichia coli str. K-12 substr. MG1655

100

100

1

AT6076 Escherichia coli BW2952

100

100

1


Multiple sequence alignment    




Structures


Toxin

Source ID Structure
PDB 6Y2R
PDB 7AEX
PDB 6Y2Q
PDB 4I8O
PDB 6Y2P
PDB 6Y2S


Antitoxin

Source ID Structure
AlphaFold DB A0A373F4G4

References


(1) Gabriela Garcia-Rodriguez et al. (2021) Alternative dimerization is required for activity and inhibition of the HEPN ribonuclease RnlA. Nucleic Acids Research 49(12):7164-7178. [PubMed:34139012] 3D_structure

(2) Mitsunori Koga et al. (2011) Escherichia coli rnlA and rnlB compose a novel toxin-antitoxin system. Genetics 187(1):123-30. [PubMed:20980243] experimental

(3) Francesca L Short et al. (2012) A promiscuous antitoxin of bacteriophage T4 ensures successful viral replication. Molecular Microbiology 83(4):665-8. [PubMed:22283468] experimental

(4) Yuichi Otsuka et al. (2012) Dmd of bacteriophage T4 functions as an antitoxin against Escherichia coli LsoA and RnlA toxins. Molecular Microbiology 83(4):669-81. [PubMed:22403819] experimental

(5) Nava Hosseini et al. (2019) Modulation of Toxin-Antitoxin System Rnl AB Type II in Phage-Resistant Gammaproteobacteria Surviving Photodynamic Treatment. Journal of Lasers in Medical Sciences 10(1):21-28. [PubMed:31360364]

(6) Yong Wei et al. (2016) Structural characterizations of phage antitoxin Dmd and its interactions with bacterial toxin RnlA. Biochemical And Biophysical Research Communications 472(4):592-7. [PubMed:26972252] 3D_structure

(7) Gabriela Garcia-Rodriguez et al. (2020) The Escherichia coli RnlA-RnlB toxin-antitoxin complex: production, characterization and crystallization. Acta Crystallographica. Section F, Structural Biology Communications 76(Pt 1):31-39. [PubMed:31929184] 3D_structure

(8) Miyuki Tsukuda et al. (2015) Counterselection method based on conditional silencing of antitoxin genes in Escherichia coli. Journal of Bioscience And Bioengineering 120(5):591-5. [PubMed:25912447] experimental

(9) Yong Wei et al. (2013) Structure-function studies of Escherichia coli RnlA reveal a novel toxin structure involved in bacteriophage resistance. Molecular Microbiology 90(5):956-65. [PubMed:24112600] 3D_structure

(10) Kenta Naka et al. (2017) RnlB Antitoxin of the Escherichia coli RnlA-RnlB Toxin-Antitoxin Module Requires RNase HI for Inhibition of RnlA Toxin Activity. Toxins 9(1):29. [PubMed:28085056] in_silico

(11) Kenta Naka et al. (2014) RNase HI stimulates the activity of RnlA toxin in Escherichia coli. Molecular Microbiology 91(3):596-605. [PubMed:24308852] experimental


experimental experimental literature
in_silico in silico analysis literature
3D_structure protein structure literature