SUV3 ATP-dependent RNA helicase SUV3 [Saccharomyces cerevisiae S288C] - Gene

Summary

Official Symbol: SUV3
Official Full Name: ATP-dependent RNA helicase SUV3
Primary source: SGD:S000005950
Locus tag: YPL029W
See related: AllianceGenome:SGD:S000005950; FungiDB:YPL029W; VEuPathDB:YPL029W
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: LPB2
Summary: Enables RNA helicase activity. Contributes to exoribonuclease II activity. Involved in Group I intron splicing; mitochondrial DNA replication; and mitochondrial RNA catabolic process. Located in mitochondrion. Part of mitochondrial degradosome. Orthologous to human SUPV3L1 (Suv3 like RNA helicase). [provided by Alliance of Genome Resources, Nov 2024]
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Chromosome XVI - NC_001148.4 Genomic Context describing neighboring genes

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SUV3 helicase has a role in maintenance of mitochondrial genome stability and RNA degradation
Title: Uncoupling the roles of the SUV3 helicase in maintenance of mitochondrial genome stability and RNA degradation.
defects in Suv3p result in accumulation of stable, excised group I intron ribonucleoproteins, which result in sequestration of Mrs1p, and a concomitant reduction in splicing of aI5beta
Title: Splicing of yeast aI5beta group I intron requires SUV3 to recycle MRS1 via mitochondrial degradosome-promoted decay of excised intron ribonucleoprotein (RNP).
A model in which the Suv3p RNA helicase acts as a molecular motor feeding the substrate to the catalytic centre of the RNase subunit.
Title: In vitro reconstitution and characterization of the yeast mitochondrial degradosome complex unravels tight functional interdependence.

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Products	Interactant	Other Gene	Complex	Source	Pubs	Description

Function	Evidence Code	Pubs
enables ATP binding	IEA Inferred from Electronic Annotation more info
enables ATP hydrolysis activity	IEA Inferred from Electronic Annotation more info
enables RNA binding	IEA Inferred from Electronic Annotation more info
enables RNA helicase activity	IBA Inferred from Biological aspect of Ancestor more info
enables RNA helicase activity	IDA Inferred from Direct Assay more info	PubMed
enables RNA helicase activity	IEA Inferred from Electronic Annotation more info
contributes_to exoribonuclease II activity	IDA Inferred from Direct Assay more info	PubMed
enables helicase activity	IEA Inferred from Electronic Annotation more info
enables hydrolase activity	IEA Inferred from Electronic Annotation more info
enables hydrolase activity, acting on acid anhydrides	IEA Inferred from Electronic Annotation more info

Process	Evidence Code	Pubs
involved_in Group I intron splicing	IGI Inferred from Genetic Interaction more info	PubMed
involved_in mitochondrial DNA replication	IMP Inferred from Mutant Phenotype more info	PubMed
involved_in mitochondrial RNA 3'-end processing	IBA Inferred from Biological aspect of Ancestor more info
involved_in mitochondrial RNA catabolic process	IMP Inferred from Mutant Phenotype more info	PubMed

Component	Evidence Code	Pubs
part_of mitochondrial degradosome	IBA Inferred from Biological aspect of Ancestor more info
part_of mitochondrial degradosome	IDA Inferred from Direct Assay more info	PubMed
located_in mitochondrial matrix	IEA Inferred from Electronic Annotation more info
located_in mitochondrion	HDA more info	PubMed
located_in mitochondrion	IEA Inferred from Electronic Annotation more info

NP_015296.1

ATP-dependent RNA helicase; component of the mitochondrial degradosome along with the RNase Dss1p; the degradosome associates with the ribosome and mediates RNA turnover; also required during splicing of the COX1 AI5_beta intron; expression of a processed form of human homolog SUPV3L1 carrying an N-terminal deletion of 46 amino acids rescues yeast suv3 null mutant

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