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protein coding gene - smd2 (SPAC2C4.03c) - Sm snRNP core protein Smd2

Gene summary

Standard name
smd2
Systematic ID
SPAC2C4.03c
Product
Sm snRNP core protein Smd2
Organism
Schizosaccharomyces pombe (fission yeast)
Synonyms
cwf9
UniProt ID
O14036
ORFeome ID
05/05C07
Characterisation status
biological role published
Feature type
mRNA gene
Genomic location
chromosome I: 4263953..4264591 reverse strand

Annotation

GO biological process

GO:0000395 - mRNA 5'-splice site recognition

References:

GO:0045292 - mRNA cis splicing, via spliceosome

References:

GO:0000387 - spliceosomal snRNP assembly

References:

GO cellular component

GO:0071013 - catalytic step 2 spliceosome

References:

GO:0005829 - cytosol

References:

GO:0005634 - nucleus

References:

GO:0034715 - pICln-Sm protein complex

References:

GO:0071014 - post-mRNA release spliceosomal complex

References:

GO:0071011 - precatalytic spliceosome

References:

GO:0000974 - Prp19 complex

References:

GO:0005681 - spliceosomal complex

References:

GO:0005685 - U1 snRNP

References:

GO:0005686 - U2 snRNP

References:

GO:0071004 - U2-type prespliceosome

References:

GO:0046540 - U4/U6 x U5 tri-snRNP complex

References:

GO:0005682 - U5 snRNP

References:

GO molecular function

GO:0003723 - RNA binding

References:

Modification

MOD:00046 - O-phospho-L-serine

References:

MOD:00048 - O4'-phospho-L-tyrosine

References:

MOD:00696 - phosphorylated residue

References:

Qualitative gene expression

PomGeneEx:0000012 - RNA level decreased

References:

Quantitative gene expression

PBO:0006310 - protein level

References:

PBO:0011963 - RNA level

References:

Single locus phenotype

FYPO:0003412 - decreased chromatin silencing at centromere outer repeat

References:

Genotypes:

FYPO:0000311 - inviable after spore germination with normal, unseptated germ tube morphology

References:

Genotypes:

FYPO:0002061 - inviable vegetative cell population

References:

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
PF01423LSMSm_dom_euk/arcPFAM
cd01720Sm_D2Sm_D2CDD
PS52002SMSmPROSITE_PROFILES
SM00651Sm3Sm_dom_euk/arcSMART
G3DSA:2.30.30.100:FF:000018FUNFAM
SSF50182Sm-like ribonucleoproteinsLSM_dom_sfSUPERFAMILY
G3DSA:2.30.30.100GENE3D
PTHR12777SMALL NUCLEAR RIBONUCLEOPROTEIN SM D2Sm_D2PANTHER

Orthologs

References / Literature

GO_REF:0000002 - Comments
PMID:16537923 - Sterol regulatory element binding protein is a principal regulator of anaerobic gene expression in fission yeast.
Todd BL et al. Mol Cell Biol 2006 Apr;26(7):2817-31
PMID:24713849 - Post-transcriptional regulation of meiotic genes by a nuclear RNA silencing complex.
Egan ED et al. RNA 2014 Jun;20(6):867-81
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:24874881 - The proper splicing of RNAi factors is critical for pericentric heterochromatin assembly in fission yeast.
Kallgren SP et al. PLoS Genet 2014;10(5):e1004334
PMID:32101745 - Dense Transposon Integration Reveals Essential Cleavage and Polyadenylation Factors Promote Heterochromatin Formation.
Lee SY et al. Cell Rep 2020 Feb 25;30(8):2686-2698.e8
PMID:21386897 - Systematic two-hybrid and comparative proteomic analyses reveal novel yeast pre-mRNA splicing factors connected to Prp19.
Ren L et al. PLoS One 2011 Feb 28;6(2):e16719
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: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:25245948 - Tls1 regulates splicing of shelterin components to control telomeric heterochromatin assembly and telomere length.
Wang J et al. Nucleic Acids Res 2014 Oct;42(18):11419-32
GO_REF:0000024 - Manual transfer of experimentally-verified manual GO annotation data to orthologs by curator judgment of sequence similarity.
PMID:10409726 - Myb-related fission yeast cdc5p is a component of a 40S snRNP-containing complex and is essential for pre-mRNA splicing.
McDonald WH et al. Mol Cell Biol 1999 Aug;19(8):5352-62
PMID:28947618 - Sde2 is an intron-specific pre-mRNA splicing regulator activated by ubiquitin-like processing.
Thakran P et al. EMBO J 2018 Jan 04;37(1):89-101
PMID:21511999 - Comparative functional genomics of the fission yeasts.
Rhind N et al. Science 2011 May 20;332(6032):930-6
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: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:17264129 - Proteomic analysis of the U1 snRNP of Schizosaccharomyces pombe reveals three essential organism-specific proteins.
Newo AN et al. Nucleic Acids Res 2007;35(5):1391-401
PMID:39833470 - Structures of aberrant spliceosome intermediates on their way to disassembly.
Soni K et al. Nat Struct Mol Biol 2025 Jan 20;
PMID:24442611 - Endogenous U2·U5·U6 snRNA complexes in S. pombe are intron lariat spliceosomes.
Chen W et al. RNA 2014 Mar;20(3):308-20
PMID:24298023 - Characterization and in vivo functional analysis of the Schizosaccharomyces pombe ICLN gene.
Barbarossa A et al. Mol Cell Biol 2014 Feb;34(4):595-605
PMID:15755920 - Dim1p is required for efficient splicing and export of mRNA encoding lid1p, a component of the fission yeast anaphase-promoting complex.
Carnahan RH et al. Eukaryot Cell 2005 Mar;4(3):577-87
PMID:22446625 - Telomerase RNA biogenesis involves sequential binding by Sm and Lsm complexes.
Tang W et al. Nature 2012 Mar 25;484(7393):260-4
PMID:36361590 - Defining the Functional Interactome of Spliceosome-Associated G-Patch Protein Gpl1 in the Fission Yeast Schizosaccharomyces pombe .
Selicky T et al. Int J Mol Sci 2022 Oct 24;23(21)
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:31219728 - Identification of proteins associated with splicing factors Ntr1, Ntr2, Brr2 and Gpl1 in the fission yeast Schizosaccharomyces pombe .
Cipakova I et al. Cell Cycle 2019 Jul;18(14):1532-1536
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:21436456 - Clr4/Suv39 and RNA quality control factors cooperate to trigger RNAi and suppress antisense RNA.
Zhang K et al. Science 2011 Mar 25;331(6024):1624-7
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
GO_REF:0000033 - Annotation inferences using phylogenetic trees
GO_REF:0000044 - Gene Ontology annotation based on UniProtKB/Swiss-Prot Subcellular Location vocabulary mapping, accompanied by conservative changes to GO terms applied by UniProt.
PMID:24014766 - Structural and functional characterization of the N terminus of Schizosaccharomyces pombe Cwf10.
Livesay SB et al. Eukaryot Cell 2013 Nov;12(11):1472-89
PMID:24081329 - Poly(A) tail-mediated gene regulation by opposing roles of Nab2 and Pab2 nuclear poly(A)-binding proteins in pre-mRNA decay.
Grenier St-Sauveur V et al. Mol Cell Biol 2013 Dec;33(23):4718-31
PMID:26682798 - The spliceosome-associated protein Nrl1 suppresses homologous recombination-dependent R-loop formation in fission yeast.
Aronica L et al. Nucleic Acids Res 2016 Feb 29;44(4):1703-17
PMID:19547744 - Evolution of phosphoregulation: comparison of phosphorylation patterns across yeast species.
Beltrao P et al. PLoS Biol 2009 Jun 16;7(6):e1000134
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:24210919 - Mtr4-like protein coordinates nuclear RNA processing for heterochromatin assembly and for telomere maintenance.
Lee NN et al. Cell 2013 Nov 21;155(5):1061-74
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:25274039 - A systematic genetic screen identifies new factors influencing centromeric heterochromatin integrity in fission yeast.
Bayne EH et al. Genome Biol 2014;15(10):481
PMID:26292707 - Structure of a yeast spliceosome at 3.6-angstrom resolution.
Yan C et al. Science 2015 Sep 11;349(6253):1182-91
PMID:11884590 - Proteomics analysis reveals stable multiprotein complexes in both fission and budding yeasts containing Myb-related Cdc5p/Cef1p, novel pre-mRNA splicing factors, and snRNAs.
Ohi MD et al. Mol Cell Biol 2002 Apr;22(7):2011-24