CUP2 Cup2p [Saccharomyces cerevisiae S288C] - Gene

Summary

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Official Symbol: CUP2
Official Full Name: Cup2p
Primary source: SGD:S000003134
Locus tag: YGL166W
See related: AllianceGenome:SGD:S000003134; FungiDB:YGL166W; VEuPathDB:YGL166W
Gene type: protein coding
RefSeq status: REVIEWED
Organism: Saccharomyces cerevisiae S288C (strain: S288C)
Lineage: Eukaryota; Fungi; Dikarya; Ascomycota; Saccharomycotina; Saccharomycetes; Saccharomycetales; Saccharomycetaceae; Saccharomyces
Also known as: ACE1
Summary: Enables DNA-binding transcription factor activity, RNA polymerase II-specific; RNA polymerase II cis-regulatory region sequence-specific DNA binding activity; and copper ion binding activity. Involved in positive regulation of transcription by RNA polymerase II and stress response to copper ion. Located in nucleus. [provided by Alliance of Genome Resources, Dec 2024]
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Genomic context

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See CUP2 in Genome Data Viewer

Location:: chromosome: VII

Exon count:: 1

Sequence:: Chromosome: VII; NC_001139.9 (191129..191806)

Chromosome VII - NC_001139.9 Genomic Context describing neighboring genes

Genomic regions, transcripts, and products

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Go to reference sequence details

Genomic Sequence:: NC_001139.9

Go to nucleotide: Graphics FASTA GenBank

Bibliography

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GeneRIFs: Gene References Into Functions

What's a GeneRIF?

It has been shown that RSC does not affect the nucleosomal occupancy at CUP1. Therefore, transient binding of Ace1p and rapid bursts of transcription at CUP1 may be dependent on short repetitive cycles of nucleosome mobilization.
Title: Single-Molecule Analysis Reveals Linked Cycles of RSC Chromatin Remodeling and Ace1p Transcription Factor Binding in Yeast.
this work unveils a novel protection mechanism against copper toxicity mediated by Ace1, which relies in the activation of FET3 and results in the restriction of Aft1 activity as a means to prevent excessive copper accumulation
Title: Ace1 prevents intracellular copper accumulation by regulating Fet3 expression and thereby restricting Aft1 activity.
A characteristic residence time for non-specific interactions of Ace1 transcription factor with chromatin
Title: Single molecule tracking of Ace1p in Saccharomyces cerevisiae defines a characteristic residence time for non-specific interactions of transcription factors with chromatin.
The induction of CUP1 requires the presence of Ace1p and the binding of Ace1p at the CUP1 promoter during activation provides evidence that Ace1p is directly involved in CUP1 induction.
Title: Chromatin repositioning activity and transcription machinery are both recruited by Ace1p in yeast CUP1 activation.
findings report that fast & slow cycling of ACE1 can occur simultaneously on an endogenous promoter & that slow cycling in this system reflects an oscillation in the fraction of accessible promoters rather than recruitment & release of stably bound ACE1
Title: Concurrent fast and slow cycling of a transcriptional activator at an endogenous promoter.
Results show that metalloregulation of Ace1 and Mac1 occurs independently.
Title: Independent metalloregulation of Ace1 and Mac1 in Saccharomyces cerevisiae.

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Interactions

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Products	Interactant	Other Gene	Complex	Source	Pubs	Description

General gene information

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Homology

Orthologs from OrthoDB

Gene Ontology Provided by SGD

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

Process	Evidence Code	Pubs
involved_in intracellular copper ion homeostasis	IBA Inferred from Biological aspect of Ancestor more info
involved_in intracellular iron ion homeostasis	IBA Inferred from Biological aspect of Ancestor more info
involved_in positive regulation of transcription by RNA polymerase II	IBA Inferred from Biological aspect of Ancestor more info
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
involved_in regulation of transcription by RNA polymerase II	IMP Inferred from Mutant Phenotype more info	PubMed
involved_in response to copper ion	IMP Inferred from Mutant Phenotype more info	PubMed
involved_in stress response to copper ion	IMP Inferred from Mutant Phenotype more info	PubMed

Component	Evidence Code	Pubs
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

General protein information

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Preferred Names: Cup2p

NP_011349.3

Copper-binding transcription factor; activates transcription of the metallothionein genes CUP1-1 and CUP1-2 in response to elevated copper concentrations; required for regulation of copper genes in response to DNA-damaging reagents; CUP2 has a paralog, HAA1, that arose from the whole genome duplication