SPT2 Spt2p [Saccharomyces cerevisiae S288C] - Gene

Summary

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Official Symbol: SPT2
Official Full Name: Spt2p
Primary source: SGD:S000000963
Locus tag: YER161C
See related: AllianceGenome:SGD:S000000963; FungiDB:YER161C; VEuPathDB:YER161C
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: EXA1; SIN1
Summary: Enables DNA secondary structure binding activity. Involved in negative regulation of transcription by RNA polymerase II and transcription elongation-coupled chromatin remodeling. Located in cytosol and nucleus. [provided by Alliance of Genome Resources, Nov 2024]
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Genomic context

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See SPT2 in Genome Data Viewer

Location:: chromosome: V

Exon count:: 1

Sequence:: Chromosome: V; NC_001137.3 (499347..500348, complement)

Chromosome V - NC_001137.3 Genomic Context describing neighboring genes

Genomic regions, transcripts, and products

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Go to reference sequence details

Genomic Sequence:: NC_001137.3

Go to nucleotide: Graphics FASTA GenBank

Bibliography

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GeneRIFs: Gene References Into Functions

What's a GeneRIF?

CK2 regulates the function of Spt2 by modulating its interaction with chromatin and the histone chaperone Spt6.
Title: Casein kinase 2 associates with the yeast chromatin reassembly factor Spt2/Sin1 to regulate its function in the repression of spurious transcription.
Spt2 is required for the major chromatin deposition pathway that uses old histones to refold nucleosomes in the wake of RNA polymerase II at the SRG1-SER3 locus.
Title: Transcription regulation by the noncoding RNA SRG1 requires Spt2-dependent chromatin deposition in the wake of RNA polymerase II.
Excess Spt2p expression induced gross chromosomal rearrangements.
Title: Spt2p defines a new transcription-dependent gross chromosomal rearrangement pathway.
Spt2, like other elongation factors, is required for the repression of transcription from a cryptic promoter within a coding region and that Spt2 is also required for repression of recombination within transcribed regions.
Title: Evidence that Spt2/Sin1, an HMG-like factor, plays roles in transcription elongation, chromatin structure, and genome stability in Saccharomyces cerevisiae.
Sin1p/Spt2p is likely to modulate local chromatin structure by binding two strands of double-stranded DNA at their crossover point
Title: Functional domains of the yeast chromatin protein Sin1p/Spt2p can bind four-way junction and crossing DNA structures.
Sin1p/Spt2 is required for, and is directly involved in, the efficient recruitment of the mRNA cleavage/polyadenylation complex.
Title: Recruitment of mRNA cleavage/polyadenylation machinery by the yeast chromatin protein Sin1p/Spt2p.

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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	IDA Inferred from Direct Assay more info	PubMed
enables DNA binding	IEA Inferred from Electronic Annotation more info
enables DNA secondary structure binding	IDA Inferred from Direct Assay more info	PubMed

Process	Evidence Code	Pubs
involved_in chromatin organization	IMP Inferred from Mutant Phenotype more info	PubMed
involved_in negative regulation of transcription by RNA polymerase II	IMP Inferred from Mutant Phenotype more info	PubMed
involved_in transcription elongation-coupled chromatin remodeling	IGI Inferred from Genetic Interaction more info	PubMed

Component	Evidence Code	Pubs
located_in cytosol	IDA Inferred from Direct Assay more info	PubMed
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: Spt2p

NP_011088.1

Protein involved in negative regulation of transcription; required for RNA polyadenylation; exhibits regulated interactions with both histones and SWI-SNF components; relocalizes to the cytosol in response to hypoxia; similar to mammalian HMG1 proteins