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protein coding gene - ist2 (SPBC691.05c) - Ca(2+)-activated phospholipid scramblase involved in ER-plasma membrane tethering Ist2

Gene summary

Standard name
ist2
Systematic ID
SPBC691.05c
Product
Ca(2+)-activated phospholipid scramblase involved in ER-plasma membrane tethering Ist2
Organism
Schizosaccharomyces pombe (fission yeast)
Synonyms
SPBP22H7.01c, pi030, SPACTOKYO_453.04
UniProt ID
O13621
ORFeome ID
49/49D06
Characterisation status
biological role inferred
Feature type
mRNA gene
Genomic location
chromosome II: 1430519..1432906 reverse strand

Annotation

Disease association

MONDO:0013392 - autosomal recessive spinocerebellar ataxia 10

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GO biological process

GO:0017121 - plasma membrane phospholipid scrambling

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GO cellular component

GO:0032541 - cortical endoplasmic reticulum

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GO:0005783 - endoplasmic reticulum

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GO:0140268 - endoplasmic reticulum-plasma membrane contact site

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GO molecular function

GO:0017128 - phospholipid scramblase activity

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Modification

MOD:00046 - O-phospho-L-serine

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MOD:01148 - ubiquitinylated lysine

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Protein sequence feature

SO:0001812 - transmembrane_helix

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Qualitative gene expression

PomGeneEx:0000018 - protein level increased

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PomGeneEx:0000012 - RNA level decreased

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Quantitative gene expression

PBO:0006310 - protein level

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PBO:0011963 - RNA level

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Single locus phenotype

FYPO:0001309 - increased viability in stationary phase

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Genotypes:

FYPO:0002674 - normal protein localization to plasma membrane

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Genotypes:

FYPO:0009038 - resistance to egtazic acid

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Genotypes:

FYPO:0009043 - resistance to potassium chloride and sodium dodecyl sulfate

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Genotypes:

FYPO:0003383 - resistance to tert-butyl hydroperoxide

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Genotypes:

FYPO:0001034 - resistance to tunicamycin

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Genotypes:

FYPO:0000799 - sensitive to diamide

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Genotypes:

FYPO:0001719 - sensitive to lithium

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Genotypes:

FYPO:0002060 - viable vegetative cell population

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Genotypes:

FYPO:0002177 - viable vegetative cell with normal cell morphology

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Genotypes:

Taxonomic conservation

PBO:0011065 - conserved in eukaryotes

PBO:0011071 - conserved in eukaryotes only

PBO:0011064 - conserved in fungi

PBO:0011069 - conserved in metazoa

PBO:0011070 - conserved in vertebrates

Protein features

IDNameInterPro nameDB name
PF04547AnoctaminAnoctamin_TMPfam
PF20877Anoctamin_NAnoctamin_N_fungPfam
PTHR12308AnoctaminPANTHER
Transmembrane alpha helixDeepTMHMM

Orthologs

References / Literature

PMID:37787768 - Broad functional profiling of fission yeast proteins using phenomics and machine learning.
Rodríguez-López M et al. Elife 2023 Oct 03;12
PMID:23697806 - A genome-wide resource of cell cycle and cell shape genes of fission yeast.
Hayles J et al. Open Biol 2013 May 22;3(5):130053
GO_REF:0000033 - Annotation inferences using phylogenetic trees
PMID:21511999 - Comparative functional genomics of the fission yeasts.
Rhind N et al. Science 2011 May 20;332(6032):930-6
PMID:37970674 - SUMOylation regulates Lem2 function in centromere clustering and silencing.
Strachan J et al. J Cell Sci 2023 Dec 01;136(23)
PMID:39239853 - Fission yeast Duc1 links to ER-PM contact sites and influences PM lipid composition and cytokinetic ring anchoring.
Willet AH et al. J Cell Sci 2024 Sep 06;
PB_REF:0000006 - Disease associations from Monarch via human-pombe orthologs
PMID:20473289 - Analysis of a genome-wide set of gene deletions in the fission yeast Schizosaccharomyces pombe.
Kim DU et al. Nat Biotechnol 2010 Jun;28(6):617-623
PMID:23101633 - Quantitative analysis of fission yeast transcriptomes and proteomes in proliferating and quiescent cells.
Marguerat S et al. Cell 2012 Oct 26;151(3):671-83
PMID:24763107 - Absolute proteome and phosphoproteome dynamics during the cell cycle of Schizosaccharomyces pombe (Fission Yeast).
Carpy A et al. Mol Cell Proteomics 2014 Aug;13(8):1925-36
PMID:11152613 - Predicting transmembrane protein topology with a hidden Markov model: application to complete genomes.
Krogh A et al. J Mol Biol 2001 Jan 19;305(3):567-80
PMID:22681890 - Hierarchical modularity and the evolution of genetic interactomes across species.
Ryan CJ et al. Mol Cell 2012 Jun 08;46(5):691-704
PMID:25720772 - Quantitative phosphoproteomics reveals pathways for coordination of cell growth and division by the conserved fission yeast kinase pom1.
Kettenbach AN et al. Mol Cell Proteomics 2015 May;14(5):1275-87
GO_REF:0000108 - Automatic assignment of GO terms using logical inference, based on on inter-ontology links.
PMID:16823372 - ORFeome cloning and global analysis of protein localization in the fission yeast Schizosaccharomyces pombe.
Matsuyama A et al. Nat Biotechnol 2006 Jul;24(7):841-7
PMID:34250083 - Barcode sequencing and a high-throughput assay for chronological lifespan uncover ageing-associated genes in fission yeast.
Romila CA et al. Microb Cell 2021 Jul 05;8(7):146-160
PMID:39367033 - Quantitative proteomics and phosphoproteomics profiling of meiotic divisions in the fission yeast Schizosaccharomyces pombe.
Sivakova B et al. Sci Rep 2024 Oct 04;14(1):23105
PMID:41259369 - Hydroxyurea induces an oxidative stress response that triggers ER expansion and cytoplasmic protein aggregation.
Sánchez-Molina A et al. PLoS Biol 2025 Nov 19;23(11):e3003493
PMID:28945192 - Regulated Ire1-dependent mRNA decay requires no-go mRNA degradation to maintain endoplasmic reticulum homeostasis in S. pombe .
Guydosh NR et al. Elife 2017 Sep 25;6