SIP3 Sip3p [Saccharomyces cerevisiae S288C] - Gene

Summary

Official Symbol: SIP3
Official Full Name: Sip3p
Primary source: SGD:S000005201
Locus tag: YNL257C
See related: AllianceGenome:SGD:S000005201; FungiDB:YNL257C; VEuPathDB:YNL257C
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: LAM3
Summary: Enables transcription coregulator activity. Involved in intracellular sterol transport and positive regulation of transcription by RNA polymerase II. Located in cortical endoplasmic reticulum. Orthologous to human CCNY (cyclin Y) and CCNYL1 (cyclin Y like 1). [provided by Alliance of Genome Resources, Dec 2024]
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Chromosome XIV - NC_001146.8 Genomic Context describing neighboring genes

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Products	Interactant	Other Gene	Complex	Source	Pubs	Description

Function	Evidence Code	Pubs
enables transcription coregulator activity	IDA Inferred from Direct Assay more info	PubMed

Process	Evidence Code	Pubs
involved_in intracellular sterol transport	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

Component	Evidence Code	Pubs
located_in cortical endoplasmic reticulum	IDA Inferred from Direct Assay more info	PubMed
located_in cytoplasm	HDA more info	PubMed
located_in cytoplasm	IEA Inferred from Electronic Annotation more info
located_in endoplasmic reticulum	HDA more info	PubMed
is_active_in endoplasmic reticulum	IBA Inferred from Biological aspect of Ancestor more info
located_in endoplasmic reticulum	IEA Inferred from Electronic Annotation more info
located_in endoplasmic reticulum membrane	IEA Inferred from Electronic Annotation more info
located_in membrane	IEA Inferred from Electronic Annotation more info
located_in plasma membrane	HDA more info	PubMed
is_active_in plasma membrane	IBA Inferred from Biological aspect of Ancestor more info

NP_014142.1

Putative sterol transfer protein; has a probable role in retrograde transport of sterols from the plasma membrane to the ER; co-localizes to puncta in the cortical ER with Ysp2p; contains GRAM, StART-like (VASt) and two PH-like domains; one of 6 StART-like domain-containing proteins in yeast that may be involved in sterol transfer between intracellular membranes; conserved across eukaryotes; previously identified as a transcription cofactor that interacts with DNA-bound Snf1p

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