WAR1 War1p [Saccharomyces cerevisiae S288C] - Gene

Summary

Official Symbol: WAR1
Official Full Name: War1p
Primary source: SGD:S000004541
Locus tag: YML076C
See related: AllianceGenome:SGD:S000004541; FungiDB:YML076C; VEuPathDB:YML076C
Gene type: protein coding
RefSeq status: REVIEWED
Organism: Saccharomyces cerevisiae S288C (strain: S288C)
Lineage: Eukaryota; Fungi; Dikarya; Ascomycota; Saccharomycotina; Saccharomycetes; Saccharomycetales; Saccharomycetaceae; Saccharomyces
Summary: Enables DNA-binding transcription factor activity and sequence-specific DNA binding activity. Involved in cellular response to acidic pH and positive regulation of transcription by RNA polymerase II. Located in nucleus. [provided by Alliance of Genome Resources, Oct 2024]
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Chromosome XIII - NC_001145.3 Genomic Context describing neighboring genes

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Haa1 and War1 directly bind to various weak acid anions with different affinities.
Title: Activation of Haa1 and War1 transcription factors by differential binding of weak acid anions in Saccharomyces cerevisiae.
Activity of the War1 is lost with alanine mutation of two putative phosphorylation sites in the activation domain.
Title: Activity of the yeast zinc-finger transcription factor War1 is lost with alanine mutation of two putative phosphorylation sites in the activation domain.
Data suggest that phosphorylation might play a role in stabilizing War1 activity on the promoter elements, hence changing the dynamics and kinetics of the stress response.
Title: Weak organic acid stress triggers hyperphosphorylation of the yeast zinc-finger transcription factor War1 and dampens stress adaptation.
War1 activation is accompanied by conformational changes enhancing promoter association, thus initiating the adaptation process
Title: Weak organic acids trigger conformational changes of the yeast transcription factor War1 in vivo to elicit stress adaptation.
Phosphorylation of War1p, its activation and DNA binding are tightly linked processes that are essential for adaptation to weak-acid stress.
Title: A genetic screen identifies mutations in the yeast WAR1 gene, linking transcription factor phosphorylation to weak-acid stress adaptation.

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Products	Interactant	Other Gene	Complex	Source	Pubs	Description

Function	Evidence Code	Pubs
enables DNA binding	IEA Inferred from Electronic Annotation more info
enables DNA-binding transcription factor activity	IMP Inferred from Mutant Phenotype more info	PubMed
enables DNA-binding transcription factor activity, RNA polymerase II-specific	IBA Inferred from Biological aspect of Ancestor more info
enables DNA-binding transcription factor activity, RNA polymerase II-specific	IEA Inferred from Electronic Annotation more info
enables metal ion binding	IEA Inferred from Electronic Annotation more info
enables sequence-specific DNA binding	IDA Inferred from Direct Assay more info	PubMed
enables zinc ion binding	IEA Inferred from Electronic Annotation more info

Process	Evidence Code	Pubs
involved_in cellular response to acidic pH	IDA Inferred from Direct Assay more info	PubMed
involved_in cellular response to acidic pH	IMP Inferred from Mutant Phenotype more info	PubMed
involved_in positive regulation of transcription by RNA polymerase II	IDA Inferred from Direct Assay more info	PubMed
involved_in positive regulation of transcription by RNA polymerase II	IMP Inferred from Mutant Phenotype more info	PubMed
involved_in regulation of DNA-templated transcription	IEA Inferred from Electronic Annotation more info

Component	Evidence Code	Pubs
located_in mitochondrion	HDA more info	PubMed
is_active_in nucleus	IBA Inferred from Biological aspect of Ancestor more info
located_in nucleus	IDA Inferred from Direct Assay more info	PubMed
located_in nucleus	IEA Inferred from Electronic Annotation more info

NP_013635.1

Homodimeric Zn2Cys6 zinc finger transcription factor; binds to a weak acid response element to induce transcription of PDR12 and FUN34, encoding an acid transporter and a putative ammonia transporter, respectively

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