nxt1 (SPAPB1A10.03)

Gene Standard Namenxt1 Characterisation Statuspublished
Systematic IDSPAPB1A10.03 Feature Typeprotein coding
Synonyms Name Description
ProductmRNA export receptor Nxt1 Product Size115aa, 13.40 kDa
Genomic Location Chromosome I, 1863363-1863762 (400nt); CDS:1863363-1863762 (400nt)

Ensembl Gene Location
GO Biological Process
Term NameCount
poly(A)+ mRNA export from nucleus17
Annotation ExtensionEvidenceWith/FromReference
ribosomal subunit export from nucleus29
Annotation ExtensionEvidenceWith/FromReference
GO Cellular Component
Term NameCount
nuclear RNA export factor complex2
Annotation ExtensionEvidenceWith/FromReference
Fission Yeast Phenotype Ontology
Gene Deletion Viability: Viable

Population Phenotype

Term NameAlleleExpressionCount
sensitive to bortezomib256
expressivity FYPO_EXT:0000002nxt1ΔNull
viable vegetative cell populationnot recorded (unrecorded)3781

Cell Phenotype

Term NameAlleleExpressionCount
viable vegetative cell with normal cell morphology3092
penetrance FYPO_EXT:0000001nxt1ΔNull
Ensembl transcript structure with UTRs, exons and introns


Exon Start End
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
PF02136 Pfam IPR002075 Nuclear transport factor 2 8 96 3
PS50177 Prosite Profiles IPR018222 Nuclear transport factor 2, eukaryote 7 115 4
3.10.450.50 Gene3D 1 97 5
SSF54427 SuperFamily 2 97 6

View domain organization at Pfam

Protein Properties

Ave. residue weight 116.48 Da
Charge 0.50
Isoelectric point 7.34
Molecular weight 13.40 kDa
Number of residues 115
Gene Expression

Quantitative Gene Expression

Protein Level

Molecules/Cell (average)ExtensionConditionScaleEvidenceReference
4728.91during cell quiescence following G1 arrest due to nitrogen limitationPECO:0000005,
population wideexperimental evidencePMID:23101633

RNA Level

Molecules/Cell (average)ExtensionConditionScaleEvidenceReference
0.49during GO:0072690PECO:0000005,
population wideexperimental evidencePMID:23101633
0.24during cell quiescence following G1 arrest due to nitrogen limitationPECO:0000005,
population wideexperimental evidencePMID:23101633
Subunit Composition
heteromeric(2) PMID:1496304641
gene structure updated432
Species Distribution
predominantly single copy (one to one)3092
conserved in fungi4604
conserved in eukaryotes4516
conserved in bacteria1000
conserved in metazoa3432
conserved in vertebrates3407
conserved in archaea237

Manually curated orthologous groups


Orthologs in Compara

Physical Interactions

Source: BioGRID

View all interactions in esyN
View the HCPIN interactions in esyN

Gene Product Evidence Reference
pab2poly(A) binding protein Pab2 Affinity Capture-MSPMID:19336419
Genetic Interactions

Source: BioGRID

View these interactions in esyN

Gene Product Evidence Reference
elp3elongator complex subunit Elp3 (predicted) Positive GeneticPMID:22681890
ams2cell cycle regulated GATA-type transcription factor Ams2 Negative GeneticPMID:22681890
xap5xap-5-like protein Positive GeneticPMID:24957674
SPBPB10D8.02carylsulfatase (predicted) Positive GeneticPMID:22681890
SPBC16H5.13WD repeat protein, human WDR7 ortholog Positive GeneticPMID:22681890
ppk31serine/threonine protein kinase Ppk31 (predicted) Negative GeneticPMID:22681890
dad1DASH complex subunit Dad1 Positive GeneticPMID:22681890
ccr4CCR4-Not complex subunit Ccr4 (predicted) Negative GeneticPMID:22681890
sty1MAP kinase Sty1 Negative GeneticPMID:22681890
fin1serine/threonine protein kinase, NIMA related Fin1 Negative GeneticPMID:22681890
vph2endoplasmic reticulum membrane protein involved in assembly of the V-ATPase (predicted) Positive GeneticPMID:22681890
nup61nucleoporin Nup61 Negative GeneticPMID:22681890
nup132nucleoporin Nup132 Negative GeneticPMID:22681890
SPAC19B12.11czinc finger protein, human ZNF593 ortholog Negative GeneticPMID:22681890
hip4histone promoter control protein Hip4 Negative GeneticPMID:22681890
eso1sister chromatid cohesion protein/DNA polymerase eta Eso1 fusion protein Negative GeneticPMID:23050226
usp102U1 snRNP-associated protein Usp102 Negative GeneticPMID:22681890
hrr1Helicase Required for RNAi-mediated heterochromatin assembly Hrr1 Negative GeneticPMID:22681890
mug154conserved fungal protein Negative GeneticPMID:22681890
External References
Database Identifier Description
NBRP SPAPB1A10.03 Fission yeast strain database, National BioResource Project (Japan)
YOGY SPAPB1A10.03 Retrieval of eukaryotic orthologs (Bähler Lab)
BioGrid SPAPB1A10.03 BioGRID Interaction Datasets
Expression Viewer SPAPB1A10.03 Cell Cycle Expression Profile (Bähler Lab)
Expression Viewer SPAPB1A10.03 Meiosis/Sporulation Expression Profies (Bähler Lab)
Expression Viewer SPAPB1A10.03 Pheromone response/mating expression profiles (Bähler Lab)
Expression Viewer SPAPB1A10.03 Environmental stress expression profiles (Bähler Lab)
Pomb(A) SPAPB1A10.03 Polyadenylation Viewer (Gullerova lab)
pombeTV SPAPB1A10.03 Transcriptome Viewer (Bähler Lab)
Cyclebase SPAPB1A10.03 Cell Cycle Data
GEO SPAPB1A10.03 GEO profiles
PInt SPAPB1A10.03 Protein-Protein Interaction Predictor (Bähler Lab)
PeptideAtlas SPAPB1A10.03 Peptides identified in tandem mass spectrometry proteomics experiments
SYSGRO SPAPB1A10.03 Fission yeast phenotypic data & analysis
UniProtKB/SwissProtP0CAN8NTF2-related export protein 1
ModBaseP0CAN8Database of comparative protein structure models
STRINGP0CAN8Network display of known and predicted interactions and functional associations
RefSeq PeptideNP_593517mRNA export receptor Nxt1
RefSeq mRNANM_001018951972h- mRNA export receptor Nxt1 (nxt1), mRNA
European Nucleotide ArchiveCAC21476.2ENA Protein Mapping
UniParcUPI00019B23CCUniProt Archive

Literature for nxt1

Search: Europe PMC or PubMed

Release Version: PomBase:25_48 - 10 Jan 2015