rpb8 (SPBC14C8.12)

Gene Standard Namerpb8 Characterisation Statuspublished
Systematic IDSPBC14C8.12 Feature Typeprotein coding
Synonyms Name Description
ProductDNA-directed RNA polymerase I, II and III subunit Rpb8 Product Size125aa, 14.30 kDa
Genomic Location Chromosome II, 2223641-2224720 (1080nt); CDS:2223772-2224256 (485nt)

Ensembl Gene Location
GO Molecular Function
Term IDTerm NameEvidenceWith/FromReferenceCount
GO:0003677DNA bindingIEAUniProtKB-KW:KW-0238GO_REF:0000037385
GO:0003899DNA-directed RNA polymerase activity37
GO:0005515protein bindingIPIrpb11PMID:10648788887
GO Biological Process
Term IDTerm NameEvidenceWith/FromReferenceCount
GO:0006360transcription from RNA polymerase I promoterTASPMID:1033540729
GO:0006366transcription from RNA polymerase II promoterTASPMID:10335407130
GO:0006383transcription from RNA polymerase III promoterTASPMID:1033540728
GO Cellular Component
Term IDTerm NameEvidenceWith/FromReferenceCount
GO:0005736DNA-directed RNA polymerase I complexIDAPMID:1033540714
GO:0005665DNA-directed RNA polymerase II, core complexIDAPMID:1033540710
GO:0005666DNA-directed RNA polymerase III complexIDAPMID:1033540717
Fission Yeast Phenotype Ontology

Population Phenotype

Term IDTerm NameEvidenceAlleleExpressionConditionReferenceCount
FYPO:0002061inviable vegetative cell populationMicroscopyrpb8ΔNullPECO:0000005, PECO:0000137PMID:236978061309

Cell Phenotype

Term IDTerm NameEvidenceAlleleExpressionConditionReferenceCount
FYPO:0000059abnormal mitotic cell cycleMicroscopyrpb8ΔNullPECO:0000005, PECO:0000137PMID:23697806564
FYPO:0000310inviable after spore germination, without cell division, with normal germ tube morphologyMicroscopyrpb8ΔNullPECO:0000005, PECO:0000137PMID:23697806303
FYPO:0002411inviable curved elongated vegetative cellMicroscopyrpb8ΔNullPECO:0000005, PECO:0000137PMID:2369780615
penetrance FYPO_EXT:0000003
FYPO:0002151inviable sporeMicroscopyrpb8ΔNullPECO:0000005, PECO:0000137PMID:23697806447
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
PF03870 Pfam IPR005570 RNA polymerase, Rpb8 8 125 1
SM00658 SMART IPR005570 RNA polymerase, Rpb8 3 125 1
PTHR10917:SF0 HMMPANTHER 2 125 1
PTHR10917 HMMPANTHER IPR005570 RNA polymerase, Rpb8 2 125 1
G3DSA: Gene3D IPR012340 66 125 47
G3DSA: Gene3D IPR012340 3 65 47
SSF50249 SuperFamily IPR012340 4 125 57
PIRSF000779 PIRSF IPR005570 RNA polymerase, Rpb8 1 125 1

View domain organization at Pfam

Protein Properties

Ave. residue weight 114.40 Da
Charge -1.00
Isoelectric point 5.75
Molecular weight 14.30 kDa
Number of residues 125
Gene Expression

Quantitative Gene Expression

Protein Level

Molecules/Cell (average)DuringConditionScaleEvidenceReference
3255during GO:0072690PECO:0000005,
population_wideexperimental evidencePMID:23101633
9261.2during cell quiescence following G1 arrest due to nitrogen limitationPECO:0000005,
population_wideexperimental evidencePMID:23101633

RNA Level

Molecules/Cell (average)DuringConditionScaleEvidenceReference
0.4during cell quiescence following G1 arrest due to nitrogen limitationPECO:0000005,
population_wideexperimental evidencePMID:23101633
2.7during GO:0072690PECO:0000005,
population_wideexperimental evidencePMID:23101633
Species Distribution
predominantly single copy (one to one)3080
conserved in fungi4564
conserved in eukaryotes4482
conserved in metazoa3419
conserved in vertebrates3394
conserved in eukaryotes only2485

Manually curated orthologous groups


Orthologs in Compara

Physical Interactions

Source: BioGRID

Gene Product Evidence Reference
rpb3RNA polymerase II subunit 3 Affinity Capture-MSPMID:11839823
Affinity Capture-WesternPMID:9325316
Reconstituted ComplexPMID:9548938
Reconstituted Complex
rpb6DNA-directed RNA polymerase I, II and III subunit Rpb6 Far WesternPMID:9642054
rpb2RNA polymerase II complex subunit Rpb2 Far WesternPMID:9642054
rpb1RNA polymerase II large subunit Rpb1 Far WesternPMID:9642054
Affinity Capture-WesternPMID:9325316
Reconstituted ComplexPMID:10648788
Affinity Capture-MSPMID:15743411
fcp1CTD phosphatase Fcp1 Affinity Capture-MSPMID:11839823
rpb7DNA-directed RNA polymerase complex II subunit Rpb7 Affinity Capture-MSPMID:16204182
External References
Database Identifier Description
NBRP SPBC14C8.12 Fission yeast strain database, National BioResource Project (Japan)
YOGY SPBC14C8.12 Retrieval of eukaryotic orthologs (Bähler Lab)
BioGrid SPBC14C8.12 BioGRID Interaction Datasets
Expression Viewer SPBC14C8.12 Cell Cycle Expression Profile (Bähler Lab)
Expression Viewer SPBC14C8.12 Meiosis/Sporulation Expression Profies (Bähler Lab)
Expression Viewer SPBC14C8.12 Pheromone response/mating expression profiles (Bähler Lab)
Expression Viewer SPBC14C8.12 Environmental stress expression profiles (Bähler Lab)
Pomb(A) SPBC14C8.12 Polyadenylation Viewer (Gullerova lab)
pombeTV SPBC14C8.12 Transcriptome Viewer (Bähler Lab)
Cyclebase SPBC14C8.12 Cell Cycle Data
GEO SPBC14C8.12 GEO profiles
PInt SPBC14C8.12 Protein-Protein Interaction Predictor (Bähler Lab)
SPD / RIKEN31/31E02Orfeome Localization Data
EntrezGene2539794DNA-directed RNA polymerase I, II and III subunit Rpb8
WikiGene2539794DNA-directed RNA polymerase I, II and III subunit Rpb8
UniProtKB/SwissProtQ92399DNA-directed RNA polymerases I, II, and III subunit RPABC3
ModBaseQ92399Database of comparative protein structure models
StringQ92399Network display of known and predicted interactions and functional associations
RefSeq PeptideNP_595915DNA-directed RNA polymerase I, II and III subunit Rpb8
RefSeq mRNANM_001021823972h- DNA-directed RNA polymerase I, II and III subunit Rpb8 (rpb8), mRNA
ePDB3H0GThe European PDB
European Nucleotide ArchiveAAB93482ENA Protein Mapping
European Nucleotide ArchiveAAC39321ENA Protein Mapping
European Nucleotide ArchiveBAA22803ENA Protein Mapping
European Nucleotide ArchiveBAA34367ENA Protein Mapping
European Nucleotide ArchiveCAA18430ENA Protein Mapping
European Nucleotide ArchiveCAA68926ENA Protein Mapping
European Nucleotide ArchiveCAA68927ENA Protein Mapping
UniParcUPI00001345E5UniProt Archive

Literature for rpb8

Search: Europe PMC or PubMed

Release Version: PomBase:21_41 - 24 Feb 2014