Detailed information of TA system    

insolicoBioinformatically predicted

Overview


TA module


Type IV Classification (family/domain) yafW-ykfI/CbtA-CbeA
Location 1022975..1023654 Replicon chromosome
Accession NZ_CP010443
Organism Escherichia coli K-12 strain K-12 MG1655

Toxin (Protein)


Gene name ykfI Uniprot ID P77692
Locus tag SH04_RS04975 Protein ID WP_000854672.1
Coordinates 1022975..1023316 (-) Length 114 a.a.

Antitoxin (Protein)


Gene name yafW Uniprot ID Q47684
Locus tag SH04_RS04980 Protein ID WP_000070395.1
Coordinates 1023337..1023654 (-) Length 106 a.a.

Genomic Context


Locus tag Coordinates Strand Size (bp) Protein ID Product Description
SH04_RS04950 1018252..1018653 + 402 WP_000174689.1 sigma factor-binding protein Crl -
SH04_RS04955 1018692..1019747 - 1056 WP_000749863.1 phosphoporin PhoE -
SH04_RS04960 1020035..1021138 + 1104 WP_001285288.1 glutamate 5-kinase -
SH04_RS04965 1021150..1022403 + 1254 WP_000893278.1 glutamate-5-semialdehyde dehydrogenase -
SH04_RS04975 1022975..1023316 - 342 WP_000854672.1 type IV toxin-antitoxin system toxin YkfI Toxin
SH04_RS04980 1023337..1023654 - 318 WP_000070395.1 type IV toxin-antitoxin system antitoxin YafW Antitoxin
SH04_RS23435 1023673..1023894 - 222 WP_000691994.1 DUF987 domain-containing protein -
SH04_RS04985 1023903..1024379 - 477 WP_000811693.1 RadC family protein -
SH04_RS04990 1024395..1024853 - 459 WP_000211838.1 antirestriction protein -
SH04_RS04995 1024951..1025190 - 240 WP_000194654.1 DUF905 domain-containing protein -
SH04_RS05000 1025267..1025734 - 468 WP_001547765.1 hypothetical protein -
SH04_RS25385 1025757..1026200 - 444 WP_000824223.1 hypothetical protein -
SH04_RS25390 1026200..1026427 - 228 WP_001548158.1 hypothetical protein -
SH04_RS25395 1026423..1026614 - 192 Protein_926 DeoR family transcriptional regulator -
SH04_RS05015 1026831..1027652 - 822 WP_000197389.1 DUF945 domain-containing protein -
SH04_RS05020 1027744..1028607 - 864 WP_001065553.1 GTPase family protein -

Associated MGEs


MGE
detail
Similar
MGEs
Relative
position
MGE Type Cargo ARG Virulence gene Coordinates Length (bp)
- inside Prophage - gmhA/lpcA 982037..1056668 74631


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

(1-112)

Antitoxin

(6-104)


Sequences


Toxin        


Download         Length: 114 a.a.        Molecular weight: 12905.01 Da        Isoelectric Point: 9.6543

>T52619 WP_000854672.1 NZ_CP010443:c1023316-1022975 [Escherichia coli K-12]
MKTLPAITQRAVKPCLSPVAVWQMLLTRLLEQHYGLTINDTPFCNEAVIKEHIDAGITLADAVNFLVEKYELVRIDRKGF
SWQEQSPYLRAADILRARQATGLLRQSRNNVVR

Download         Length: 342 bp

>T52619 NZ_CP010443:c1023316-1022975 [Escherichia coli K-12]
ATGAAAACTTTACCTGCAATAACTCAGCGGGCGGTGAAGCCCTGCCTGTCACCCGTGGCTGTCTGGCAAATGTTACTGAC
ACGTCTGCTGGAACAGCACTATGGTCTGACAATAAACGACACGCCATTCTGCAATGAGGCTGTGATTAAGGAACACATCG
ATGCCGGTATCACCCTAGCCGATGCCGTGAATTTTCTGGTAGAAAAATACGAGCTGGTTCGTATCGACAGGAAGGGATTT
AGCTGGCAGGAACAATCTCCTTATCTCCGGGCTGCAGACATTCTGCGAGCGCGGCAGGCAACTGGCTTGTTGCGGCAAAG
CCGTAACAACGTAGTACGATGA

Antitoxin


Download         Length: 106 a.a.        Molecular weight: 11939.59 Da        Isoelectric Point: 6.7391

>AT52619 WP_000070395.1 NZ_CP010443:c1023654-1023337 [Escherichia coli K-12]
MSNPTRGLQREITLRLGARLVQEGNRLHYLADRASITGKFSDIECRKLDETFPHFILQMESMLTTGELSPHHAHCVTLYH
NDLTCEADTLGSCGYVYIAIYPTQR

Download         Length: 318 bp

>AT52619 NZ_CP010443:c1023654-1023337 [Escherichia coli K-12]
ATGAGCAACCCTACCAGGGGCCTGCAGCGGGAGATTACACTGCGCCTGGGAGCCCGTCTGGTGCAGGAAGGCAACCGACT
GCATTATCTGGCTGACCGGGCCAGCATCACCGGCAAGTTCAGTGACATCGAATGCCGGAAGCTGGATGAAACATTCCCGC
ACTTTATCCTCCAGATGGAATCGATGCTGACCACCGGTGAACTCAGCCCCCACCATGCCCACTGCGTTACCCTGTACCAC
AACGATTTAACCTGCGAAGCCGACACCCTTGGCAGTTGCGGCTACGTATACATCGCCATTTACCCCACTCAGCGTTAA

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
AlphaFold DB P77692


Antitoxin

Source ID Structure
AlphaFold DB Q47684

References