USV1 / YPL230W Overview

Standard Name
USV1 1 2
Systematic Name
NSF1 6
Feature Type
ORF , Verified
Putative transcription factor containing a C2H2 zinc finger; mutation affects transcriptional regulation of genes involved in growth on non-fermentable carbon sources, response to salt stress and cell wall biosynthesis; USV1 has a paralog, RGM1, that arose from the whole genome duplication 3 4 5 6 7
Name Description
Up in StarVation
RGM1 7
Comparative Info
Sequence Details


The S. cerevisiae Reference Genome sequence is derived from laboratory strain S288C. Download DNA or protein sequence, view genomic context and coordinates. Click "Sequence Details" to view all sequence information for this locus, including that for other strains.

USV1 has a paralog, RGM1, that arose from the whole genome duplication
Protein Details


Basic sequence-derived (length, molecular weight, isoelectric point) and experimentally-determined (median abundance, median absolute deviation) protein information. Click "Protein Details" for further information about the protein such as half-life, abundance, domains, domains shared with other proteins, protein sequence retrieval for various strains, physico-chemical properties, protein modification sites, and external identifiers for the protein.

Length (a.a.)
Mol. Weight (Da)
Isoelectric Point
Median Abundance (molecules/cell)
210 +/- 185


Curated mutant alleles for the specified gene, listed alphabetically. Click on the allele name to open the allele page. Click "SGD search" to view all alleles in search results. Click "YeastMine" to view all alleles in YeastMine.

View all USV1 alleles in SGD search | YeastMine

Gene Ontology Details

Gene Ontology

GO Annotations consist of four mandatory components: a gene product, a term from one of the three Gene Ontology (GO) controlled vocabularies (Molecular Function, Biological Process, and Cellular Component), a reference, and an evidence code. SGD has manually curated and high-throughput GO Annotations, both derived from the literature, as well as computational, or predicted, annotations. Click "Gene Ontology Details" to view all GO information and evidence for this locus as well as biological processes it shares with other genes.

Sequence-specific DNA-binding protein involved in regulation of transcription by salt stress and carbon catabolites

View computational annotations

Molecular Function

Manually Curated

Cellular Component

Manually Curated
Phenotype Details


Phenotype annotations for a gene are curated single mutant phenotypes that require an observable (e.g., "cell shape"), a qualifier (e.g., "abnormal"), a mutant type (e.g., null), strain background, and a reference. In addition, annotations are classified as classical genetics or high-throughput (e.g., large scale survey, systematic mutation set). Whenever possible, allele information and additional details are provided. Click "Phenotype Details" to view all phenotype annotations and evidence for this locus as well as phenotypes it shares with other genes.

Interaction Details


Interaction annotations are curated by BioGRID and include physical or genetic interactions observed between at least two genes. An interaction annotation is composed of the interaction type, name of the interactor, assay type (e.g., Two-Hybrid), annotation type (e.g., manual or high-throughput), and a reference, as well as other experimental details. Click "Interaction Details" to view all interaction annotations and evidence for this locus, including an interaction visualization.

The usv1 null mutant is viable; the null mutant of paralog rgm1 is viable; the usv1 rgm1 double mutant has not been annotated for phenotype.

102 total interactions for 101 unique genes

Physical Interactions

  • Affinity Capture-RNA: 8
  • Affinity Capture-Western: 1

Genetic Interactions

  • Dosage Lethality: 3
  • Negative Genetic: 68
  • Phenotypic Enhancement: 1
  • Positive Genetic: 20
  • Synthetic Growth Defect: 1
Regulation Details


The number of putative Regulators (genes that regulate it) and Targets (genes it regulates) for the given locus, based on experimental evidence. This evidence includes data generated through high-throughput techniques. Click "Regulation Details" to view all regulation annotations, shared GO enrichment among regulation Targets, and a regulator/target diagram for the locus.

USV1 encodes a transcription factor containing a C2H2 zinc finger. Usv1p activates transcription of genes involved in respiratory metabolism, such as ACS1, IDH1, and CIT2, and also activates transcription of the ENA1 gene involved in salt and alkaline pH stress tolerance. In large-scale experiments, Usv1p has been found to be required for hyperosmotic stress resistance, and to bind to the promoter of the FLO11 gene involved in filamentous growth and flocculation. Transcription of USV1 is regulated by the transcription factors Adr1p and Nrg1p. Expression is not detectable during growth on glucose, but is activated on nonfermentable carbon sources and in the presence of high salt. USV1 transcription was also found to be differentially regulated in distinct subpopulations of cells within a growing colony. USV1 has a paralog, RGM1, that encodes a putative transcription factor.
Expression Details


Expression data are derived from records contained in the Gene Expression Omnibus (GEO), and are first log2 transformed and normalized. Referenced datasets may contain one or more condition(s), and as a result there may be a greater number of conditions than datasets represented in a single clickable histogram bar. The histogram division at 0.0 separates the down-regulated (green) conditions and datasets from those that are up-regulated (red). Click "Expression Details" to view all expression annotations and details for this locus, including a visualization of genes that share a similar expression pattern.

Literature Details


All manually curated literature for the specified gene, organized into topics according to their relevance to the gene (Primary Literature, Additional Literature, or Review). Click "Literature Details" to view all literature information for this locus, including shared literature between genes.