Detailed information of TA system TA104871

Bioinformatically predicted

Overview

TA module

• Type: II
• Classification (family/domain): tacAT/DUF1778(antitoxin)
• Location: 80615..81351
• Replicon: plasmid unnamed3
• Accession: NZ_CP029101
• Organism: Klebsiella pneumoniae strain AR438

Toxin (Protein)

• Gene name: tacT
• Uniprot ID: L7SZ15
• Locus tag: CSC25_RS28575
• Protein ID: WP_003026803.1
• Coordinates: 80869..81351 (+)
• Length: 161 a.a.

Antitoxin (Protein)

• Gene name: tacA
• Uniprot ID: L7SZ29
• Locus tag: CSC25_RS28570
• Protein ID: WP_003026799.1
• Coordinates: 80615..80881 (+)
• Length: 89 a.a.

Genomic Context

Locus tag	Coordinates	Strand	Size (bp)	Protein ID	Product	Description
CSC25_RS28525	76677..77039	-	363	WP_004152100.1	arsenite efflux transporter metallochaperone ArsD	-
CSC25_RS28530	77089..77439	-	351	WP_004152101.1	As(III)-sensing metalloregulatory transcriptional repressor ArsR	-
CSC25_RS28535	77797..78066	+	270	WP_004152102.1	hypothetical protein	-
CSC25_RS28540	78054..78629	+	576	WP_004152103.1	hypothetical protein	-
CSC25_RS28545	78660..79154	+	495	WP_004152104.1	DNA-binding protein	-
CSC25_RS28550	79198..79566	+	369	WP_004152105.1	hypothetical protein	-
CSC25_RS28555	79600..79803	+	204	WP_004152106.1	hemolysin expression modulator Hha	-
CSC25_RS28560	79852..80109	+	258	WP_004152107.1	hypothetical protein	-
CSC25_RS28565	80185..80439	+	255	WP_004152108.1	hypothetical protein	-
CSC25_RS28570	80615..80881	+	267	WP_003026799.1	DUF1778 domain-containing protein	Antitoxin
CSC25_RS28575	80869..81351	+	483	WP_003026803.1	GNAT family N-acetyltransferase	Toxin
CSC25_RS28580	81563..82909	+	1347	WP_020314316.1	ISNCY family transposase	-
CSC25_RS28585	83410..84664	-	1255	Protein_89	IS3 family transposase	-
CSC25_RS28590	84752..85714	-	963	WP_004152113.1	M48 family metalloprotease	-

Associated MGEs

MGE detail	Similar MGEs	Relative position	MGE Type	Cargo ARG	Virulence gene	Coordinates	Length (bp)
	-	inside	Conjugative plasmid	aph(3')-Ia / mph(A) / sul1 / qacE / aadA2 / dfrA12 / catA1	-	1..208035	208035

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

• GNAT domain (45-149)

Antitoxin

• Vibrio phage ICP1, Orf50 (6-82)

Sequences

Toxin

Protein

• Length: 161 a.a.
• Molecular weight: 17353.97 Da
• Isoelectric Point: 9.5822

>T104871 WP_003026803.1 NZ_CP029101:80869-81351 [Klebsiella pneumoniae]
VGRITTPEPLSSSHQLAEFVSGETVLDEWLKQRGLKNQALGAARTFVVCKTGTKQVAGFYSLATGSVNHTEATGSLRRNM
PDPIPVIILARLAVDVSLHGKGVGADLLHDAVLRCYRVAENIGVRAIMVHALTEEAKGFYAHHGFKASQTHERTLFLKLP

Nucleotide

• Length: 483 bp

>T104871 NZ_CP029101:80869-81351 [Klebsiella pneumoniae]
GTGGGACGTATAACCACGCCCGAGCCGTTATCCAGCTCTCATCAGCTGGCTGAGTTCGTCAGTGGAGAGACAGTCCTCGA
TGAATGGCTAAAACAGAGAGGTTTAAAAAATCAAGCTCTTGGCGCTGCCCGAACGTTCGTTGTTTGCAAGACGGGTACGA
AGCAAGTAGCTGGTTTTTACTCTTTGGCCACCGGTAGCGTTAACCATACGGAAGCGACAGGTAGTCTTCGGCGTAACATG
CCAGATCCTATACCGGTGATTATACTCGCTCGCCTGGCGGTAGATGTCTCATTGCACGGAAAAGGGGTTGGCGCCGATTT
ACTCCACGATGCAGTTCTACGGTGTTATCGCGTAGCTGAGAACATTGGGGTTCGTGCGATAATGGTTCATGCGCTTACTG
AAGAAGCCAAAGGTTTCTATGCTCACCATGGATTTAAGGCATCACAAACTCATGAGAGGACTCTGTTTCTAAAGCTTCCA
TGA

Antitoxin

Protein

• Length: 89 a.a.
• Molecular weight: 10147.59 Da
• Isoelectric Point: 4.5256

>AT104871 WP_003026799.1 NZ_CP029101:80615-80881 [Klebsiella pneumoniae]
MKSDVQLNLRAKESQRALIDAAAEILHKSRTDFILEMACKAAENVILDRRVFNFNDEQYAEFIDMLDAPVEDEPAINKLL
ARKPQWDV

Nucleotide

• Length: 267 bp

>AT104871 NZ_CP029101:80615-80881 [Klebsiella pneumoniae]
ATGAAATCAGATGTTCAACTCAACCTAAGAGCTAAAGAGTCTCAGAGAGCACTCATCGATGCTGCTGCAGAGATCCTTCA
TAAATCGCGAACCGACTTTATCCTGGAGATGGCCTGCAAGGCTGCGGAGAATGTGATCCTTGATCGCCGTGTTTTCAATT
TTAACGACGAACAGTATGCAGAGTTCATCGATATGCTCGATGCACCAGTCGAGGATGAGCCCGCCATTAATAAACTACTG
GCAAGGAAACCTCAGTGGGACGTATAA

Structures

Toxin

• AlphaFold DB: A0A0J2GNW6

Antitoxin

• AlphaFold DB: A0A1Q8YL66