Detailed information of TA system    

experimentalExperimentally validated    

Overview


TA module


Type II Classification (family/domain) higBA (relBE)/-
Location 3548165..3548892 Replicon chromosome
Accession NZ_HG738867
Organism Escherichia coli str. K-12 substr. MC4100 strain K-12

Toxin (Protein)


Gene name higB Uniprot ID U9ZMR4
Locus tag BN896_RS17580 Protein ID WP_000550189.1
Coordinates 3548165..3548479 (+) Length 105 a.a.

Antitoxin (Protein)


Gene name higA Uniprot ID -
Locus tag BN896_RS17585 Protein ID WP_000560266.1
Coordinates 3548476..3548892 (+) Length 139 a.a.

Genomic Context


Locus tag Coordinates Strand Size (bp) Protein ID Product Description
BN896_RS17555 (BN896_2797) 3544323..3545309 - 987 WP_000617698.1 Gfo/Idh/MocA family oxidoreductase -
BN896_RS17560 (BN896_2796) 3545388..3546080 - 693 WP_000942548.1 vancomycin high temperature exclusion protein -
BN896_RS17565 (BN896_2795) 3546157..3546660 - 504 WP_001333820.1 M48 family metallopeptidase -
BN896_RS17570 (BN896_2794) 3546745..3547881 + 1137 WP_000018695.1 23S rRNA (guanine(1835)-N(2))-methyltransferase RlmG -
BN896_RS17580 (BN896_2793) 3548165..3548479 + 315 WP_000550189.1 type II toxin-antitoxin system toxin HigB Toxin
BN896_RS17585 (BN896_2792) 3548476..3548892 + 417 WP_000560266.1 type II toxin-antitoxin system antitoxin HigA Antitoxin
BN896_RS17590 (BN896_2791) 3548937..3550955 - 2019 WP_000121433.1 NADPH-dependent 2,4-dienoyl-CoA reductase -
BN896_RS17595 (BN896_2790) 3551381..3553732 - 2352 WP_000695487.1 alpha-glucosidase -

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: 105 a.a.        Molecular weight: 12103.10 Da        Isoelectric Point: 10.0409

>T10125 WP_000550189.1 NZ_HG738867:3548165-3548479 [Escherichia coli str. K-12 substr. MC4100]
MHLITQKALKDAAEKYPQHKTELVALGNTIAKGYFKKPESLKAVFPSLDNFKYLDKHYVFNVGGNELRVVAMVFFESQKC
YIREVMTHKEYDFFTAVHRTKGKK

Download         Length: 315 bp

>T10125 NZ_HG738867:3548165-3548479 [Escherichia coli str. K-12 substr. MC4100]
ATGCACCTGATAACTCAAAAAGCATTGAAAGATGCTGCGGAAAAATACCCGCAACATAAAACGGAGTTGGTGGCTCTGGG
GAACACGATTGCTAAGGGATATTTCAAAAAACCTGAGTCATTAAAAGCAGTATTCCCATCTCTGGATAACTTCAAATATC
TGGATAAGCATTATGTTTTCAATGTTGGGGGCAATGAATTACGTGTTGTAGCAATGGTCTTTTTTGAATCGCAAAAGTGC
TACATACGTGAAGTTATGACGCATAAAGAATACGATTTCTTTACCGCTGTTCATCGTACTAAGGGGAAAAAATGA

Antitoxin


Download         Length: 139 a.a.        Molecular weight: 14995.42 Da        Isoelectric Point: 4.4547

>AT10125 WP_000560266.1 NZ_HG738867:3548476-3548892 [Escherichia coli str. K-12 substr. MC4100]
MIAIADILQAGEKLTAVAPFLAGIQNEEQYTQALELVDHLLLNDPENPLLDLVCAKITAWEESAPEFAEFNAMAQAMPGG
IAVIRTLMDQYGLTLSDLPEIGSKSMVSRVLSGKRKLTLEHAKKLATRFGISPALFID

Download         Length: 417 bp

>AT10125 NZ_HG738867:3548476-3548892 [Escherichia coli str. K-12 substr. MC4100]
ATGATTGCGATTGCCGACATCTTGCAAGCAGGAGAAAAGCTAACTGCTGTGGCACCTTTTCTGGCGGGTATTCAGAACGA
GGAACAATACACCCAGGCGCTGGAACTGGTAGATCATCTGCTGCTCAACGATCCTGAAAACCCCTTGCTGGATCTGGTGT
GTGCCAAAATAACCGCGTGGGAAGAATCAGCGCCCGAATTTGCGGAATTTAATGCCATGGCTCAAGCCATGCCTGGCGGT
ATAGCCGTGATTCGTACCCTTATGGATCAATATGGTTTAACCCTTTCCGATCTGCCGGAAATTGGCAGTAAATCTATGGT
GTCACGCGTTTTGAGCGGGAAGAGGAAATTAACGCTGGAACACGCTAAAAAATTGGCAACGCGATTCGGCATTTCTCCCG
CCTTGTTTATTGATTAA

Similar Proteins


Only experimentally validated proteins are listed.

Protein Organism Identities (%) Coverage (%) Ha-value
T1046 Escherichia coli str. K-12 substr. MG1655

100

100

1

T10135 Shigella flexneri 5a str. M90T

100

100

1

T6087 Salmonella enterica subsp. enterica serovar Typhimurium str. LT2

40.404

96.117

0.388


Multiple sequence alignment    


Protein Organism Identities (%) Coverage (%) Ha-value
AT10135 Shigella flexneri 5a str. M90T

100

100

1

AT1046 Escherichia coli str. K-12 substr. MG1655

100

100

1

AT6087 Salmonella enterica subsp. enterica serovar Typhimurium str. LT2

45.902

88.406

0.406


Multiple sequence alignment    




Structures


Toxin

Source ID Structure
PDB 6KMQ
PDB 5IFG
PDB 5YCL
PDB 6KML


Antitoxin

Source ID Structure

References


(1) Bing-Shuang Xu et al. (2019) Conformational changes of antitoxin HigA from Escherichia coli str. K-12 upon binding of its cognate toxin HigB reveal a new regulation mechanism in toxin-antitoxin systems. Biochemical And Biophysical Research Communications 514(1):37-43. [PubMed:31014676]