Rv0960 (vapC9)

Current annotations:
- TBCAP: (community-based annotations - see table at bottom of page)
- TBDB: toxin
- REFSEQ: hypothetical protein
- PATRIC: Toxin 1 PIN domain
- TUBERCULIST: Possible toxin VapC9
- NCBI: Possible toxin VapC9
- updated information (H37Rv4):
  - gene name: vapC9
  - function:
  - reference:
Type: Not Target
Start: 1073545
End: 1073928
Operon:

Trans-membrane region:
Role: V - Conserved hypotheticals
GO terms:
- GO:0090501 - RNA phosphodiester bond hydrolysis (Uniprot)
- GO:0090305 - nucleic acid phosphodiester bond hydrolysis (Uniprot)
- GO:0046872 - metal ion binding (Uniprot)
- GO:0016787 - hydrolase activity (Uniprot)
- GO:0004540 - ribonuclease activity (Uniprot)
- GO:0004518 - nuclease activity (Uniprot)
Reaction(s) (based on iSM810 metabolic model):
Gene Expression Profile (Transcriptional Responses to Drugs; Boshoff et al, 2004)
Gene Modules extracted from cluster analysis of 249 transcriptomic datasets using ICA
Orthologs among selected mycobacteria
Protein structure:
Search for Homologs in PDB
Top 10 Homologs in PDB (as of Nov 2020): (none with >35% aa id)
Links to additional information on vapC9:
- KEGG - nucleotide and amino acid sequences of gene
- Mycobrowser
- PATRIC
- BioCyc
- Systems Biology
- TBDB (updated)
- Phyre2 structure prediction, model: final.casp.pdb (from Mao et al, 2013)
- UniProt
- AlphaFold model
- Vulnerability = -2.073 (from Jeremy Rock's lab)

Amino Acid Sequence

MIVVDASAALAALLNDGQARQLIAAERLHVPHLVDSEIASGLRRLAQRDRLGAADGRRALQTWRRLAVTRYPVVGLFERIWEIRANLSAYDASYVALAEA
LNCALVTADLRLSDTGQAQCPITVVPR

(Nucleotide sequence available on KEGG)

Additional Information

ESSENTIALITY

MtbTnDB - interactive tool for exploring a database of published TnSeq datasets for Mtb

TnSeqCorr - genes with correlated TnSeq profiles across >100 conditions *new*

Classification	Condition	Strain	Method	Reference	Notes
Non-Essential	Sodium Oleate	H37RvMA	Gumbel	Subhalaxmi Nambi	Probability of Essentiality: 0.000000; 2 non-insertions in a row out of 6 sites
Non-Essential	Lignoceric Acid	H37RvMA	Gumbel	Subhalaxmi Nambi	Probability of Essentiality: 0.000000; 2 non-insertions in a row out of 6 sites
Non-Essential	Phosphatidylcholine	H37RvMA	Gumbel	Subhalaxmi Nambi	Probability of Essentiality: 0.000000; 2 non-insertions in a row out of 6 sites
Non-Essential	minimal media + 0.1% glycerol	H37RvMA	Gumbel	Griffin et al. (2011)	Probability of Essentiality: 0.000000; 2 non-insertions in a row out of 7 sites
Non-Essential	minimal media + 0.01% cholesterol	H37RvMA	Gumbel	Griffin et al. (2011)	Probability of Essentiality: 0.000000; 2 non-insertions in a row out of 7 sites
Non-Essential	7H10-glycerol	H37RvMA	TraSH	Sassetti et al. (2003a)
Non-Essential	C57BL/6J mice (8 weeks)	H37RvMA	TraSH	Sassetti et al. (2003b)	Hybridization Ratio: 3.32
Non-Essential	7H09/7H10 + rich media	H37RvMA	MotifHMM	DeJesus et al. (2017)	Fully saturated (14 reps).

TnSeq Data No data currently available.

No TnSeq data currently available for this Target.

RNASeq Data No data currently available.

No RNA-Seq data currently available for this Target.

Metabolomic Profiles No data currently available.

No Metabolomic data currently available for this Target.

Proteomic Data No data currently available.

No Proteomic data currently available for this Target.

Regulatory Relationships from Systems Biology

BioCyc

Gene interactions based on ChIPSeq and Transcription Factor Over-Expression (TFOE) (Systems Biology)

NOTE: Green edges represent the connected genes being classified as differentially essential as a result of the middle gene being knocked out. These interactions are inferred based on RNASeq.

Interactions based on ChIPSeq data

Binds To:
- No bindings to other targets were found.
Bound By:

Interactions based on ChIPSeq data (Minch et al. 2014)

Binds To:
- No bindings to other targets were found.
Bound By:
- Rv3488 (-) (Direct binding)

Interactions based on TFOE data (Rustad et al. 2014)

Upregulates:
- Does not upregulate other genes.
Upregulated by:
- Rv0691c (-)
- Rv0818 (-)
Downregulates:
- Does not downregulate other genes.
Downregulated by:
- Rv2011c (-)
- Rv2595 (vapB40)

Property	Value	Creator	Evidence	PMID	Comment
Citation	Distant structural homology leads to the functional characterization of an archaeal PIN domain as an exonuclease. authors,VL. Arcus,K. Bckbro,A. Roos,EL. Daniel,EN. Baker J. Biol. Chem. 2004	karthigai_peace	IMP	14734548	Co-expression (Functional linkage)
Citation	Structure and proposed activity of a member of the VapBC family of toxin-antitoxin systems. VapBC-5 from Mycobacterium tuberculosis. authors,L. Miallau,M. Faller,J. Chiang,M. Arbing,F. Guo,D. Cascio,D. Eisenberg J. Biol. Chem. 2009	karthigai_peace	IMP	18952600	Co-expression (Functional linkage)
Citation	The PIN-domain toxin-antitoxin array in mycobacteria. authors,VL. Arcus,PB. Rainey,SJ. Turner Trends Microbiol. 2005	karthigai_peace	IMP	15993073	Co-expression (Functional linkage)
Citation	Comprehensive functional analysis of Mycobacterium tuberculosis toxin-antitoxin systems: implications for pathogenesis, stress responses, and evolution. authors,HR. Ramage,LE. Connolly,JS. Cox PLoS Genet. 2009	jlew		20011113	VapC homolog, PIN domain, Not toxic when expressed in Msmeg
Symbol	VapC9	jlew			We report the heterologous toxicity of these TA loci in Escherichia coli and show that only a few of the M. tuberculosis-encoded toxins can inhibit E. coli growth and have a killing effect. This killing effect can be suppressed by coexpression of the cognate antitoxin. authors,A. Gupta Killing activity and rescue function of genome-wide toxin-antitoxin loci of Mycobacterium tuberculosis. FEMS Microbiol. Lett. 2009
Citation	Killing activity and rescue function of genome-wide toxin-antitoxin loci of Mycobacterium tuberculosis. authors,A. Gupta FEMS Microbiol. Lett. 2009	jlew		19016878	We report the heterologous toxicity of these TA loci in Escherichia coli and show that only a few of the M. tuberculosis-encoded toxins can inhibit E. coli growth and have a killing effect. This killing effect can be suppressed by coexpression of the cognate antitoxin.
Other	stop:1073928	rslayden			MTV030.08 (133 aa), FASTA scores: E(): 1.5e-14, (38.3% identity in 128 aa overlap), Rv1720c (129 aa), and Rv0549c (137 aa).
Other	strand:+	rslayden			MTV030.08 (133 aa), FASTA scores: E(): 1.5e-14, (38.3% identity in 128 aa overlap), Rv1720c (129 aa), and Rv0549c (137 aa).
Other	start:1073545	rslayden			Conserved hypothetical protein, similar to other Mycobacterium tuberculosis hypothetical proteins e.g. Rv0065
Other	stop:1073928	rslayden			Conserved hypothetical protein, similar to other Mycobacterium tuberculosis hypothetical proteins e.g. Rv0065
Other	strand:+	rslayden			Conserved hypothetical protein, similar to other Mycobacterium tuberculosis hypothetical proteins e.g. Rv0065
Other	start:1073545	rslayden			MTV030.08 (133 aa), FASTA scores: E(): 1.5e-14, (38.3% identity in 128 aa overlap), Rv1720c (129 aa), and Rv0549c (137 aa).

TB Genome Annotation Portal