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protein coding gene - sad1 (SPBC12D12.01) - spindle pole body SUN domain protein Sad1

Gene summary

Standard name
sad1
Systematic ID
SPBC12D12.01
Product
spindle pole body SUN domain protein Sad1
Organism
Schizosaccharomyces pombe (fission yeast)
Synonyms
SPBC16H5.01c
UniProt ID
Q09825
ORFeome ID
33/33B06
Characterisation status
biological role published
Feature type
mRNA gene
Genomic location
chromosome II: 2303766..2306661 forward strand

Annotation

Disease association

MONDO:0014961 - spermatogenic failure 16

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GO biological process

GO:0072766 - centromere clustering at the mitotic interphase nuclear envelope

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GO:0032121 - meiotic attachment of telomeric heterochromatin to spindle pole body

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GO:0140480 - mitotic spindle pole body insertion into the nuclear envelope

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GO cellular component

GO:0061497 - inner plaque of mitotic spindle pole body

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GO:0031021 - interphase microtubule organizing center

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GO:0034993 - meiotic nuclear membrane microtubule tethering complex

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GO:0090619 - meiotic spindle pole

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GO:0035974 - meiotic spindle pole body

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GO:0044732 - mitotic spindle pole body

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GO:0071958 - new mitotic spindle pole body

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GO:0005635 - nuclear envelope

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GO:0005637 - nuclear inner membrane

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GO:0071957 - old mitotic spindle pole body

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GO:1990612 - Sad1-Kms1 LINC complex

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GO:0035861 - site of double-strand break

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GO molecular function

GO:0005515 - protein binding

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GO:0030674 - protein-macromolecule adaptor activity

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GO:0106166 - spindle pole body-nuclear membrane anchor activity

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Modification

MOD:00006 - N-glycosylated residue

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MOD:00046 - O-phospho-L-serine

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MOD:00047 - O-phospho-L-threonine

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MOD:01149 - sumoylated lysine

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Multi-locus phenotype

FYPO:0000737 - abnormal meiotic spindle assembly

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Genotypes:

FYPO:0003379 - abolished meiosis II

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Genotypes:

FYPO:0006455 - abolished protein localization to meiotic spindle during meiosis I

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Genotypes:

FYPO:0007864 - abolished protein localization to meiotic spindle pole during meiosis I

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Genotypes:

FYPO:0007851 - abolished spindle assembly during meiosis I

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Genotypes:

FYPO:0001355 - decreased vegetative cell population growth

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Genotypes:

FYPO:0007847 - long meiosis I spindle

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Genotypes:

FYPO:0006391 - meiotic spindle absent from cell during meiosis

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Genotypes:

FYPO:0007852 - normal meiotic spindle polarity

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Genotypes:

FYPO:0007750 - normal protein localization to meiotic spindle during meiosis I

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Genotypes:

FYPO:0007857 - normal protein localization to meiotic spindle midzone during meiosis I

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Genotypes:

FYPO:0004764 - normal protein localization to meiotic spindle pole body during meiosis I

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Genotypes:

FYPO:0000703 - normal protein-protein interaction

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Genotypes:

FYPO:0007846 - short meiotic spindle during anaphase I

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Genotypes:

FYPO:0007103 - spindle collapse during meiosis I

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Genotypes:

FYPO:0007849 - spindle self-assembly during meiosis I

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Genotypes:

FYPO:0000678 - unequal homologous chromosome segregation

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Genotypes:

Protein sequence feature

SO:0001812 - transmembrane_helix

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Qualitative gene expression

PomGeneEx:0000018 - protein level increased

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PomGeneEx:0000011 - RNA level increased

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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:0001779 - abnormal centromere clustering at nuclear periphery during vegetative growth

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Genotypes:

FYPO:0005640 - abnormal meiotic centromere clustering with centromeres dissociated from spindle pole body

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Genotypes:

FYPO:0000059 - abnormal mitotic cell cycle

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Genotypes:

FYPO:0001791 - abnormal mitotic spindle pole body duplication

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Genotypes:

FYPO:0003569 - abnormal mitotic spindle pole body insertion into nuclear envelope, with spindle pole body in cytoplasm

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Genotypes:

FYPO:0001946 - abolished mitotic sister chromatid separation

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Genotypes:

FYPO:0001683 - abolished mitotic spindle assembly

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Genotypes:

FYPO:0000941 - abolished protein localization to mitotic spindle pole body

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Genotypes:

FYPO:0006800 - decreased centromere clustering at nuclear periphery during mitotic interphase

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Genotypes:

FYPO:0006927 - decreased nucleus:cytoplasm ratio

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Genotypes:

FYPO:0002772 - decreased protein localization to meiotic spindle pole body

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Genotypes:

FYPO:0000940 - decreased protein localization to mitotic spindle pole body

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Genotypes:

FYPO:0000320 - inviable after spore germination, single cell division, normal cell morphology

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Genotypes:

FYPO:0000310 - inviable after spore germination, without cell division, with normal germ tube morphology

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Genotypes:

FYPO:0001490 - inviable elongated vegetative cell

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Genotypes:

FYPO:0002061 - inviable vegetative cell population

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Genotypes:

FYPO:0000733 - long mitotic spindle

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Genotypes:

FYPO:0002018 - mitotic spindle absent from cell

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Genotypes:

FYPO:0004160 - normal meiotic spindle

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Genotypes:

FYPO:0004093 - normal meiotic telomere clustering

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Genotypes:

FYPO:0004367 - normal mitotic spindle assembly

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Genotypes:

FYPO:0005380 - normal mitotic spindle pole body duplication

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Genotypes:

FYPO:0001221 - normal nucleus:cytoplasm ratio

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Genotypes:

FYPO:0003541 - normal protein localization to meiotic spindle pole body

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Genotypes:

FYPO:0000732 - short bipolar mitotic spindle

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Genotypes:

FYPO:0001234 - slow vegetative cell population growth

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Genotypes:

FYPO:0002060 - viable vegetative cell population

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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

PBO:0006222 - predominantly single copy (one to one)

Protein features

IDNameInterPro nameDB name
PF07738Sad1_UNCSUN_domPFAM
PS51469SUNSUN_domPROSITE_PROFILES
G3DSA:2.60.120.260:FF:000248FUNFAM
G3DSA:2.60.120.260GENE3D
PTHR12911SAD1/UNC-84-LIKE PROTEIN-RELATEDSUN1-5PANTHER
CoilCoilCOILS
mobidb-lite-Disorderdisorder_predictionMOBIDB-Disorder
mobidb-lite-Low-complexitydisorder_predictionMOBIDB-Low-complexity
mobidb-lite-Polardisorder_predictionMOBIDB-Polar

Orthologs

References / Literature

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:23427262 - The internal loop of fission yeast Ndc80 binds Alp7/TACC-Alp14/TOG and ensures proper chromosome attachment.
Tang NH et al. Mol Biol Cell 2013 Apr;24(8):1122-33
PMID:22633491 - Mapping N-glycosylation sites across seven evolutionarily distant species reveals a divergent substrate proteome despite a common core machinery.
Zielinska DF et al. Mol Cell 2012 May 25;46(4):542-8
PMID:15047861 - Loss of Apm1, the micro1 subunit of the clathrin-associated adaptor-protein-1 complex, causes distinct phenotypes and synthetic lethality with calcineurin deletion in fission yeast.
Kita A et al. Mol Biol Cell 2004 Jun;15(6):2920-31
PMID:16224022 - Counting cytokinesis proteins globally and locally in fission yeast.
Wu JQ et al. Science 2005 Oct 14;310(5746):310-4
PMID:26771498 - A Proteome-wide Fission Yeast Interactome Reveals Network Evolution Principles from Yeasts to Human.
Vo TV et al. Cell 2016 Jan 14;164(1-2):310-323
PMID:37714149 - Direct recruitment of Mis18 to interphase spindle pole bodies promotes CENP-A chromatin assembly.
London N et al. Curr Biol 2023 Oct 09;33(19):4187-4201.e6
PMID:9420333 - Asymmetric segregation on spindle poles of the Schizosaccharomyces pombe septum-inducing protein kinase Cdc7p.
Sohrmann M et al. Genes Dev 1998 Jan 01;12(1):84-94
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
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:9802907 - Dynamics of centromeres during metaphase-anaphase transition in fission yeast: Dis1 is implicated in force balance in metaphase bipolar spindle.
Nabeshima K et al. Mol Biol Cell 1998 Nov;9(11):3211-25
PMID:22174761 - Roles of the DYRK kinase Pom2 in cytokinesis, mitochondrial morphology, and sporulation in fission yeast.
Wu P et al. PLoS One 2011;6(12):e28000
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:24963130 - The KASH protein Kms2 coordinates mitotic remodeling of the spindle pole body.
Wälde S et al. J Cell Sci 2014 Aug 15;127(Pt 16):3625-40
PMID:21712547 - Mitotic substrates of the kinase aurora with roles in chromatin regulation identified through quantitative phosphoproteomics of fission yeast.
Koch A et al. Sci Signal 2011 Jun 28;4(179):rs6
PMID:31474649 - Identification of 15 New Bypassable Essential Genes of Fission Yeast.
Takeda A et al. Cell Struct Funct 2019 Sep 27;44(2):113-119
PMID:31015410 - Nuclear membrane protein Lem2 regulates nuclear size through membrane flow.
Kume K et al. Nat Commun 2019 Apr 23;10(1):1871
PMID:21511999 - Comparative functional genomics of the fission yeasts.
Rhind N et al. Science 2011 May 20;332(6032):930-6
PMID:19948484 - Membrane proteins Bqt3 and -4 anchor telomeres to the nuclear envelope to ensure chromosomal bouquet formation.
Chikashige Y et al. J Cell Biol 2009 Nov 02;187(3):413-27
PMID:39476757 - Characterization of Ksg1 protein kinase-dependent phosphoproteome in the fission yeast S. pombe.
Cipak L et al. Biochem Biophys Res Commun 2024 Oct 25;736:150895
PMID:29996109 - Quantitative Phosphoproteomics Reveals the Signaling Dynamics of Cell-Cycle Kinases in the Fission Yeast Schizosaccharomyces pombe.
Swaffer MP et al. Cell Rep 2018 Jul 10;24(2):503-514
PMID:23695164 - Cross-species protein interactome mapping reveals species-specific wiring of stress response pathways.
Das J et al. Sci Signal 2013 May 21;6(276):ra38
PMID:26537787 - Targeting of SUMO substrates to a Cdc48-Ufd1-Npl4 segregase and STUbL pathway in fission yeast.
Køhler JB et al. Nat Commun 2015 Nov 05;6:8827
PMID:22042620 - Brr6 drives the Schizosaccharomyces pombe spindle pole body nuclear envelope insertion/extrusion cycle.
Tamm T et al. J Cell Biol 2011 Oct 31;195(3):467-84
PMID:16615890 - Meiotic proteins bqt1 and bqt2 tether telomeres to form the bouquet arrangement of chromosomes.
Chikashige Y et al. Cell 2006 Apr 07;125(1):59-69
PMID:33823663 - A TOR (target of rapamycin) and nutritional phosphoproteome of fission yeast reveals novel targets in networks conserved in humans.
Halova L et al. Open Biol 2021 Apr;11(4):200405
PMID:10769201 - The S. pombe orthologue of the S. cerevisiae mob1 gene is essential and functions in signalling the onset of septum formation.
Salimova E et al. J Cell Sci 2000 May;113 ( Pt 10):1695-704
PMID:27984725 - CDK Substrate Phosphorylation and Ordering the Cell Cycle.
Swaffer MP et al. Cell 2016 Dec 15;167(7):1750-1761.e16
PMID:38773107 - The SUN-family protein Sad1 mediates heterochromatin spatial organization through interaction with histone H2A-H2B.
Sun W et al. Nat Commun 2024 May 21;15(1):4322
PMID:12161753 - The transcriptional program of meiosis and sporulation in fission yeast.
Mata J et al. Nat Genet 2002 Sep;32(1):143-7
PMID:34080538 - Kinesin-6 Klp9 orchestrates spindle elongation by regulating microtubule sliding and growth.
Krüger LK et al. Elife 2021 Jun 03;10
PMID:20967237 - Fission yeast cells undergo nuclear division in the absence of spindle microtubules.
Castagnetti S et al. PLoS Biol 2010 Oct 12;8(10):e1000512
PMID:12857865 - Fission yeast cdc31p is a component of the half-bridge and controls SPB duplication.
Paoletti A et al. Mol Biol Cell 2003 Jul;14(7):2793-808
PMID:24943839 - A role for nuclear envelope-bridging complexes in homology-directed repair.
Swartz RK et al. Mol Biol Cell 2014 Aug 15;25(16):2461-71
PMID:30853434 - NDR Kinase Sid2 Drives Anillin-like Mid1 from the Membrane to Promote Cytokinesis and Medial Division Site Placement.
Willet AH et al. Curr Biol 2019 Mar 18;29(6):1055-1063.e2
PMID:23084836 - Epigenetic regulation of condensin-mediated genome organization during the cell cycle and upon DNA damage through histone H3 lysine 56 acetylation.
Tanaka A et al. Mol Cell 2012 Nov 30;48(4):532-46
PMID:27889481 - Mitotic Nuclear Envelope Breakdown and Spindle Nucleation Are Controlled by Interphase Contacts between Centromeres and the Nuclear Envelope.
Fernández-Álvarez A et al. Dev Cell 2016 Dec 05;39(5):544-559
PMID:20833892 - Schizosaccharomyces pombe calmodulin, Cam1, plays a crucial role in sporulation by recruiting and stabilizing the spindle pole body components responsible for assembly of the forespore membrane.
Itadani A et al. Eukaryot Cell 2010 Dec;9(12):1925-35
PMID:36200823 - The chromatin remodeler RSC prevents ectopic CENP-A propagation into pericentromeric heterochromatin at the chromatin boundary.
Tsunemine S et al. Nucleic Acids Res 2022 Oct 28;50(19):10914-10928
PMID:36408920 - UniProt: the Universal Protein Knowledgebase in 2023.
UniProt Consortium Nucleic Acids Res 2023 Jan 06;51(D1):D523-D531
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:14655046 - Two-hybrid search for proteins that interact with Sad1 and Kms1, two membrane-bound components of the spindle pole body in fission yeast.
Miki F et al. Mol Genet Genomics 2004 Jan;270(6):449-61
PB_REF:0000006 - Disease associations from Monarch via human-pombe orthologs
PMID:22438582 - Spindle pole body components are reorganized during fission yeast meiosis.
Ohta M et al. Mol Biol Cell 2012 May;23(10):1799-811
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:23669133 - Csi1 illuminates the mechanism and function of Rabl configuration.
Hou H et al. Nucleus 2013;4(3):176-81
PMID:37783794 - An ESCRT grommet cooperates with a diffusion barrier to maintain nuclear integrity.
Ader NR et al. Nat Cell Biol 2023 Oct;25(10):1465-1477
PMID:23166349 - Csi1 links centromeres to the nuclear envelope for centromere clustering.
Hou H et al. J Cell Biol 2012 Nov 26;199(5):735-44
PMID:23649273 - Fission yeast leucine-rich repeat protein Lrp1 is essential for cell morphogenesis as a component of the morphogenesis Orb6 network (MOR).
Kume K et al. Biosci Biotechnol Biochem 2013;77(5):1086-91
PMID:21880100 - Inner nuclear membrane protein Ima1 is dispensable for intranuclear positioning of centromeres.
Hiraoka Y et al. Genes Cells 2011 Oct;16(10):1000-11
PMID:12376568 - An evolutionarily conserved fission yeast protein, Ned1, implicated in normal nuclear morphology and chromosome stability, interacts with Dis3, Pim1/RCC1 and an essential nucleoporin.
Tange Y et al. J Cell Sci 2002 Nov 15;115(Pt 22):4375-85
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:28619713 - Molecular model of fission yeast centrosome assembly determined by superresolution imaging.
Bestul AJ et al. J Cell Biol 2017 Aug 07;216(8):2409-2424
PMID:33109728 - High-Throughput Identification of Nuclear Envelope Protein Interactions in Schizosaccharomyces pombe Using an Arrayed Membrane Yeast-Two Hybrid Library.
Varberg JM et al. G3 (Bethesda) 2020 Dec 03;10(12):4649-4663
PMID:39705284 - Proteomic and phosphoproteomic analyses reveal that TORC1 is reactivated by pheromone signaling during sexual reproduction in fission yeast.
Bérard M et al. PLoS Biol 2024 Dec 20;22(12):e3002963
PMID:7744953 - The product of the spindle formation gene sad1+ associates with the fission yeast spindle pole body and is essential for viability.
Hagan I et al. J Cell Biol 1995 May;129(4):1033-47
PMID:34346498 - Loss of kinesin-8 improves the robustness of the self-assembled spindle in Schizosaccharomyces pombe.
Pineda-Santaella A et al. J Cell Sci 2021 Aug 15;134(16)
PMID:30462301 - Structural insights into chromosome attachment to the nuclear envelope by an inner nuclear membrane protein Bqt4 in fission yeast.
Hu C et al. Nucleic Acids Res 2019 Feb 20;47(3):1573-1584
PMID:18257517 - Phosphoproteome analysis of fission yeast.
Wilson-Grady JT et al. J Proteome Res 2008 Mar;7(3):1088-97
PMID:25253718 - csi2p modulates microtubule dynamics and organizes the bipolar spindle for chromosome segregation.
Costa J et al. Mol Biol Cell 2014 Dec 01;25(24):3900-8
PMID:30503780 - The Inner Nuclear Membrane Protein Bqt4 in Fission Yeast Contains a DNA-Binding Domain Essential for Telomere Association with the Nuclear Envelope.
Hu C et al. Structure 2019 Feb 05;27(2):335-343.e3
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
PMID:30759079 - A systematic genetic screen identifies essential factors involved in nuclear size control.
Cantwell H et al. PLoS Genet 2019 Feb;15(2):e1007929