dnt1 (SPBC25D12.02c)

Gene Standard Namednt1 Characterisation Statuspublished
Systematic IDSPBC25D12.02c Feature Typeprotein coding
Synonyms Name Description
Productnucleolar protein Dnt1 Product Size599aa, 65.98 kDa
Genomic Location Chromosome II, 3717257-3714945 (2313nt); CDS:3717051-3715200 (1852nt)

Ensembl Gene Location
GO Molecular Function
Term IDTerm NameEvidenceWith/FromReferenceCount
GO:0005515protein bindingIPIclp1PMID:17538026887
during mitotic anaphaseIPIdma1PMID:22809626
during mitotic metaphaseIPIdma1PMID:22809626
GO Biological Process
Term IDTerm NameEvidenceWith/FromReferenceCount
GO:0000183chromatin silencing at rDNAIMPPMID:1753802610
GO:1902543negative regulation of protein localization to mitotic spindle pole body1
during mitotic metaphase, has input dma1IMPPMID:22809626
GO:0031030negative regulation of septation initiation signaling15
GO:0051436negative regulation of ubiquitin-protein ligase activity involved in mitotic cell cycle3
regulates dma1IMPPMID:22809626
GO:0010971positive regulation of G2/M transition of mitotic cell cycle9
not_dependent_on cut12IMPPMID:24006256
not_dependent_on cds1IMPPMID:24006256
not_dependent_on chk1IMPPMID:24006256
not_dependent_on pom1IMPPMID:24006256
not_dependent_on clp1IMPPMID:24006256
dependent on wee1IMPPMID:24006256
not_dependent_on cdc25IMPPMID:24006256
not_dependent_on rad3IMPPMID:24006256
GO Cellular Component
Term IDTerm NameEvidenceWith/FromReferenceCount
GO:0072686mitotic spindleIDAPMID:22809626216
during mitotic cell cycleIDAPMID:17538026
during mitotic anaphase BIDAPMID:17538026
Fission Yeast Phenotype Ontology

Population Phenotype

Term IDTerm NameEvidenceAlleleExpressionConditionReferenceCount
FYPO:0002060viable vegetative cell populationMicroscopydnt1ΔNullPMID:204732893755
Microscopydnt1ΔNullPECO:0000137, PECO:0000005PMID:23697806

Cell Phenotype

Term IDTerm NameEvidenceAlleleExpressionConditionReferenceCount
FYPO:0002971decreased protein localization to mitotic spindle pole body during telophaseMicroscopydnt1ΔNullPMID:228096261
affecting dma1
FYPO:0001327increased protein level during vegetative growthWestern blot assaydnt1ΔNullPMID:2400625627
affecting wee1
FYPO:0002970increased protein localization to mitotic spindle pole body during metaphaseMicroscopydnt1ΔNullPMID:228096261
affecting dma1
FYPO:0001038increased protein phosphorylation during vegetative growthWestern blot assaydnt1ΔNullPMID:2400625614
affecting cdc2
FYPO:0002082increased protein ubiquitinationWestern blot assaydnt1ΔNullPMID:228096265
affecting sid4
FYPO:0002973increased ubiquitin ligase activity during metaphaseWestern blot assaydnt1ΔNullPMID:228096261
affecting dma1
FYPO:0000012mitotic G2/M transition delayMicroscopydnt1ΔNullPMID:2400625613
FYPO:0000833normal protein levelWestern blot assaydnt1ΔNullPMID:2280962625
affecting dma1
FYPO:0002968normal protein localization to mitotic spindle pole body during G2Microscopydnt1ΔNullPMID:228096261
affecting dma1
FYPO:0001492viable elongated vegetative cellMicroscopydnt1ΔNullPMID:24006256170
FYPO:0002177viable vegetative cell with normal cell morphologyMicroscopydnt1ΔNullPECO:0000137, PECO:0000005PMID:236978063078
penetrance FYPO_EXT:0000001
Ensembl transcript structure with UTRs, exons and introns


Exon Start End


Region Start End Reference
Protein Features

Graphical View

Ensembl protein image with mapped locations of structural domains

Protein Families and Domains

Feature ID Database InterPro Description Start End Count
PF10407 Pfam IPR018844 Nucleolar protein Dnt1-like, N-terminal 15 83 1
Low complexity (SEG) seg 242 251
Low complexity (SEG) seg 308 323
Low complexity (SEG) seg 362 385
Low complexity (SEG) seg 445 455
Low complexity (SEG) seg 533 566

View domain organization at Pfam

Protein Properties

Ave. residue weight 110.15 Da
Charge -26.00
Isoelectric point 4.65
Molecular weight 65.98 kDa
Number of residues 599

Protein Modifications

Term IDTerm NameEvidenceResidueReferenceCount
MOD:00696phosphorylated residueIDAPMID:228096261192
Gene Expression

Quantitative Gene Expression

Protein Level

Molecules/Cell (average)DuringConditionScaleEvidenceReference
3844.61during cell quiescence following G1 arrest due to nitrogen limitationPECO:0000127,
population_wideexperimental evidencePMID:23101633
2696.74during GO:0072690PECO:0000014,
population_wideexperimental evidencePMID:23101633

RNA Level

Molecules/Cell (average)DuringConditionScaleEvidenceReference
1.9during GO:0072690PECO:0000014,
population_wideexperimental evidencePMID:23101633
0.55during cell quiescence following G1 arrest due to nitrogen limitationPECO:0000127,
population_wideexperimental evidencePMID:23101633
Species Distribution
predominantly single copy (one to one)3080
conserved in fungi only603
conserved in fungi4564
conserved in eukaryotes4482

Manually curated orthologous groups


Orthologs in Compara

Genetic Interactions

Source: BioGRID

Gene Product Evidence Reference
clp1Cdc14-related protein phosphatase Clp1/Flp1 Synthetic RescuePMID:17538026
dma1mitotic spindle checkpoint ubiquitin ligase Dma1 Phenotypic EnhancementPMID:22809626
Phenotypic Suppression
Synthetic Rescue
sid1PAK-related GC kinase Sid1 Synthetic RescuePMID:17538026
cdc14SIN component Cdc14 Synthetic RescuePMID:17538026
Synthetic RescuePMID:24006256
cdc25M phase inducer phosphatase Cdc25 Synthetic LethalityPMID:24006256
rrn5RNA polymerase I upstream activation factor complex subunit Rrn5 Synthetic Growth DefectPMID:17538026
sid2NDR kinase Sid2 Synthetic RescuePMID:17538026
Synthetic RescuePMID:24006256
myo2myosin II heavy chain Synthetic RescuePMID:17538026
nuc1DNA-directed RNA polymerase I complex large subunit Nuc1 Synthetic LethalityPMID:17538026
plo1Polo kinase Plo1 Synthetic Growth DefectPMID:22809626
Physical Interactions

Source: BioGRID

Gene Product Evidence Reference
clp1Cdc14-related protein phosphatase Clp1/Flp1 Two-hybridPMID:17538026
epe1Jmjc domain chromatin associated protein Epe1 Affinity Capture-MSPMID:24013502
dma1mitotic spindle checkpoint ubiquitin ligase Dma1 Two-hybridPMID:22809626
Affinity Capture-MS
Reconstituted Complex
Affinity Capture-Western
External References
Database Identifier Description
NBRP SPBC25D12.02c Fission yeast strain database, National BioResource Project (Japan)
YOGY SPBC25D12.02c Retrieval of eukaryotic orthologs (Bähler Lab)
BioGrid SPBC25D12.02c BioGRID Interaction Datasets
Expression Viewer SPBC25D12.02c Cell Cycle Expression Profile (Bähler Lab)
Expression Viewer SPBC25D12.02c Meiosis/Sporulation Expression Profies (Bähler Lab)
Expression Viewer SPBC25D12.02c Pheromone response/mating expression profiles (Bähler Lab)
Expression Viewer SPBC25D12.02c Environmental stress expression profiles (Bähler Lab)
Pomb(A) SPBC25D12.02c Polyadenylation Viewer (Gullerova lab)
pombeTV SPBC25D12.02c Transcriptome Viewer (Bähler Lab)
Cyclebase SPBC25D12.02c Cell Cycle Data
GEO SPBC25D12.02c GEO profiles
PInt SPBC25D12.02c Protein-Protein Interaction Predictor (Bähler Lab)
EntrezGene2540499nucleolar protein Dnt1
WikiGene2540499nucleolar protein Dnt1
SPD / RIKEN46/46A05Orfeome Localization Data
UniProtKB/SwissProtO74354Nucleolar protein dnt1
ModBaseO74354Database of comparative protein structure models
StringO74354Network display of known and predicted interactions and functional associations
RefSeq PeptideNP_596544nucleolar protein Dnt1
RefSeq mRNANM_001022465972h- nucleolar protein Dnt1 (dnt1), mRNA
European Nucleotide ArchiveCAA20098ENA Protein Mapping
UniParcUPI0000069C20UniProt Archive

Literature for dnt1

Search: Europe PMC or PubMed

Release Version: PomBase:21_41 - 24 Feb 2014