Standard name Systematic name Name description Description
URB2 YJR041C Protein required for normal metabolism of the rRNA primary transcript Protein required for normal metabolism of the rRNA primary transcript; nucleolar protein; proposed to be involved in ribosome biogenesis
Visualize the interactome of URB2
Links to external databases:
SGD   |   KEGG   |  

Cell cycle phase and timing of transcription peak

Cell cycle phase Time (min)

CYCLoPs localization & abundance

WT1 WT2 WT3
Nucleolus 0.851 0.754 0.783
Nucleus 0.215 0.346 0.256
SpindlePole 0.112 NaN 0.174
Mito NaN 0.050 0.159

GFP localization & abundance

GFP localization GFP abundance
no data no data

GO term count

Metabolism Cell cycle Cell division Signal transduction DNA replication
URB2 1 0 0 0 0

List of interactors

Use the search utility to find the interactor you are looking for. By clicking the column headers the table will be sorted on that column. Use shift+click to sort on multiple columns. Default sorting is on number of experiments, number of unique methods and the number of publications, and alphabetical on standard name, in that order.
Standard name Systematic name Name description Type #Experiments #Methods #Publications Evidence
RSA3 YLR221C Protein with a likely role in ribosomal maturation physical 8 4 4 Affinity Capture-MS, Affinity Capture-Western, Two-hybrid, Two-hybrid, Affinity Capture-Western, Affinity Capture-Western, Affinity Capture-Western, Co-purification
URB1 YKL014C Protein required for the normal accumulation of 25S and 5.8S rRNAs physical 7 3 5 Affinity Capture-MS, Affinity Capture-MS, Affinity Capture-MS, Affinity Capture-Western, Two-hybrid, Two-hybrid, Affinity Capture-Western
DBP6 YNR038W Essential protein involved in ribosome biogenesis physical 6 3 3 Affinity Capture-Western, Two-hybrid, Two-hybrid, Affinity Capture-Western, Affinity Capture-Western, Reconstituted Complex
NOP8 YOL144W Nucleolar protein required for 60S ribosomal subunit biogenesis physical 3 1 2 Affinity Capture-Western, Affinity Capture-Western, Affinity Capture-Western
RSA3 YLR221C Protein with a likely role in ribosomal maturation genetic 2 2 2 Synthetic Lethality, Negative Genetic
RPL17A YKL180W Ribosomal 60S subunit protein L17A physical 2 1 2 Affinity Capture-Western, Affinity Capture-Western
DHH1 YDL160C Cytoplasmic DEAD-box helicase and mRNA decapping activator physical 2 1 2 Affinity Capture-RNA, Affinity Capture-RNA
RPL17B YJL177W Ribosomal 60S subunit protein L17B physical 2 1 2 Affinity Capture-Western, Affinity Capture-Western
SSB1 YDL229W Cytoplasmic ATPase that is a ribosome-associated molecular chaperone physical 2 1 1 Affinity Capture-MS, Affinity Capture-MS
SFP1 YLR403W Regulates transcription of ribosomal protein and biogenesis genes regulation 1 1 1 DNA to cDNA expression microarray evidence
GCN5 YGR252W Catalytic subunit of ADA and SAGA histone acetyltransferase complexes regulation 1 1 1 chromatin immunoprecipitation-chip evidence
SPT10 YJL127C Histone H3 acetylase with a role in transcriptional regulation regulation 1 1 1 DNA to cDNA expression microarray evidence
GCR1 YPL075W Transcriptional activator of genes involved in glycolysis regulation 1 1 1 DNA to cDNA expression microarray evidence
MED2 YDL005C Subunit of the RNA polymerase II mediator complex regulation 1 1 1 chromatin immunoprecipitation-chip evidence
TFC7 YOR110W RNA pol III transcription initiation factor complex (TFIIIC) subunit regulation 1 1 1 chromatin immunoprecipitation-chip evidence
CIN5 YOR028C Basic leucine zipper (bZIP) transcription factor of the yAP-1 family regulation 1 1 1 chromatin immunoprecipitation-chip evidence
POB3 YML069W Subunit of the heterodimeric FACT complex (Spt16p-Pob3p) genetic 1 1 1 Negative Genetic
DBP9 YLR276C DEAD-box protein required for 27S rRNA processing physical 1 1 1 Affinity Capture-Western
DBP9 YLR276C DEAD-box protein required for 27S rRNA processing genetic 1 1 1 Negative Genetic
HAS1 YMR290C ATP-dependent RNA helicase genetic 1 1 1 Negative Genetic
NOP2 YNL061W rRNA m5C methyltransferase genetic 1 1 1 Negative Genetic
RPF1 YHR088W Protein involved in assembly and export of the large ribosomal subunit physical 1 1 1 Two-hybrid
DBP3 YGL078C RNA-Dependent ATPase, member of DExD/H-box family genetic 1 1 1 Negative Genetic
NOP58 YOR310C Protein involved in producing mature rRNAs and snoRNAs physical 1 1 1 Affinity Capture-MS
NOP56 YLR197W Essential evolutionarily-conserved nucleolar protein genetic 1 1 1 Negative Genetic
DBP7 YKR024C Putative ATP-dependent RNA helicase of the DEAD-box family physical 1 1 1 Affinity Capture-Western
DBP7 YKR024C Putative ATP-dependent RNA helicase of the DEAD-box family genetic 1 1 1 Negative Genetic
SAP155 YFR040W Protein required for function of the Sit4p protein phosphatase genetic 1 1 1 Negative Genetic
PAT1 YCR077C Deadenylation-dependent mRNA-decapping factor genetic 1 1 1 Negative Genetic
NOP1 YDL014W Histone glutamine methyltransferase, modifies H2A at Q105 in nucleolus genetic 1 1 1 Negative Genetic
LRP1 YHR081W Nuclear exosome-associated nucleic acid binding protein genetic 1 1 1 Synthetic Lethality
RRP6 YOR001W Nuclear exosome exonuclease component genetic 1 1 1 Negative Genetic
RPB5 YBR154C RNA polymerase subunit ABC27 genetic 1 1 1 Negative Genetic
RPL3 YOR063W Ribosomal 60S subunit protein L3 physical 1 1 1 Affinity Capture-Western
CBC2 YPL178W Small subunit of the heterodimeric cap binding complex with Sto1p physical 1 1 1 Affinity Capture-MS
STO1 YMR125W Large subunit of the nuclear mRNA cap-binding protein complex physical 1 1 1 Affinity Capture-MS
MED7 YOL135C Subunit of the RNA polymerase II mediator complex genetic 1 1 1 Negative Genetic
SNU56 YDR240C Component of U1 snRNP required for mRNA splicing via spliceosome genetic 1 1 1 Positive Genetic
RPT1 YKL145W ATPase of the 19S regulatory particle of the 26S proteasome genetic 1 1 1 Positive Genetic
ACT1 YFL039C Actin, structural protein in cytoskeleton genetic 1 1 1 Negative Genetic
KAP95 YLR347C Karyopherin beta physical 1 1 1 Affinity Capture-MS
SRP1 YNL189W Karyopherin alpha homolog physical 1 1 1 Affinity Capture-MS
CFT2 YLR115W Subunit of the mRNA cleavage and polyadenlylation factor (CPF) genetic 1 1 1 Negative Genetic
PRE10 YOR362C Alpha 7 subunit of the 20S proteasome genetic 1 1 1 Positive Genetic
PRE7 YBL041W Beta 6 subunit of the 20S proteasome genetic 1 1 1 Negative Genetic
ECM16 YMR128W Essential DEAH-box ATP-dependent RNA helicase specific to U3 snoRNP physical 1 1 1 Affinity Capture-MS
RNT1 YMR239C Nuclear dsRNA-specific ribonuclease (RNase III) genetic 1 1 1 Negative Genetic
ASC1 YMR116C G-protein beta subunit and guanine dissociation inhibitor for Gpa2p genetic 1 1 1 Negative Genetic
CDC28 YBR160W Cyclin-dependent kinase (CDK) catalytic subunit physical 1 1 1 Affinity Capture-MS
CDC28 YBR160W Cyclin-dependent kinase (CDK) catalytic subunit genetic 1 1 1 Negative Genetic
COP1 YDL145C Alpha subunit of COPI vesicle coatomer complex genetic 1 1 1 Negative Genetic
CUS1 YMR240C Protein required for assembly of U2 snRNP into the spliceosome genetic 1 1 1 Positive Genetic
DNA2 YHR164C ATP-dependent 5'-flap endonuclease and DNA helicase genetic 1 1 1 Negative Genetic
ENP1 YBR247C Protein associated with U3 and U14 snoRNAs physical 1 1 1 Affinity Capture-MS
ISW1 YBR245C ATPase subunit of imitation-switch (ISWI) class chromatin remodelers physical 1 1 1 Affinity Capture-RNA
CRM1 YGR218W Nuclear export factor, exportin physical 1 1 1 Affinity Capture-MS
MED11 YMR112C Subunit of the RNA polymerase II mediator complex genetic 1 1 1 Negative Genetic
HSC82 YMR186W Cytoplasmic chaperone of the Hsp90 family genetic 1 1 1 Negative Genetic
HRR25 YPL204W Conserved casein kinase, monopolin subunit genetic 1 1 1 Negative Genetic
MRP49 YKL167C Mitochondrial ribosomal protein of the large subunit genetic 1 1 1 Negative Genetic
ORC1 YML065W Largest subunit of the origin recognition complex genetic 1 1 1 Negative Genetic
POL1 YNL102W Catalytic subunit of the DNA polymerase I alpha-primase complex genetic 1 1 1 Negative Genetic
BLM10 YFL007W Proteasome activator genetic 1 1 1 Negative Genetic
DAM1 YGR113W Essential subunit of the Dam1 complex (aka DASH complex) genetic 1 1 1 Negative Genetic
BUD21 YOR078W Component of small ribosomal subunit (SSU) processosome genetic 1 1 1 Positive Genetic
HTA2 YBL003C Histone H2A physical 1 1 1 Affinity Capture-MS
NOC4 YPR144C Nucleolar protein physical 1 1 1 Affinity Capture-MS
MED8 YBR193C Subunit of the RNA polymerase II mediator complex genetic 1 1 1 Negative Genetic
MAF1 YDR005C Highly conserved negative regulator of RNA polymerase III genetic 1 1 1 Negative Genetic
RTS1 YOR014W B-type regulatory subunit of protein phosphatase 2A (PP2A) genetic 1 1 1 Positive Genetic
NUM1 YDR150W Protein required for nuclear migration genetic 1 1 1 Negative Genetic
SEC26 YDR238C Essential beta-coat protein of the COPI coatomer genetic 1 1 1 Negative Genetic
SEC63 YOR254C Essential subunit of Sec63 complex genetic 1 1 1 Negative Genetic
PRP9 YDL030W Subunit of the SF3a splicing factor complex genetic 1 1 1 Negative Genetic
SSE1 YPL106C ATPase component of heat shock protein Hsp90 chaperone complex genetic 1 1 1 Negative Genetic
SGV1 YPR161C Cyclin (Bur2p)-dependent protein kinase genetic 1 1 1 Negative Genetic
SUA7 YPR086W Transcription factor TFIIB genetic 1 1 1 Negative Genetic
NEW1 YPL226W Translation termination and ribosome biogenesis factor genetic 1 1 1 Positive Genetic
UBP15 YMR304W Ubiquitin-specific protease involved in protein deubiquitination genetic 1 1 1 Negative Genetic
HEK2 YBL032W RNA binding protein involved in asymmetric localization of ASH1 mRNA physical 1 1 1 Affinity Capture-RNA
CAB5 YDR196C Subunit of the CoA-Synthesizing Protein Complex (CoA-SPC) genetic 1 1 1 Negative Genetic
CAF20 YOR276W Phosphoprotein of the mRNA cap-binding complex physical 1 1 1 Affinity Capture-MS
STI1 YOR027W Evolutionarily-conserved Hsp90 cochaperone genetic 1 1 1 Negative Genetic
FKH1 YIL131C Forkhead family transcription factor genetic 1 1 1 Negative Genetic
NOP6 YDL213C rRNA-binding protein required for 40S ribosomal subunit biogenesis physical 1 1 1 Affinity Capture-MS
SEC53 YFL045C Phosphomannomutase genetic 1 1 1 Negative Genetic
COF1 YLL050C Cofilin, involved in pH-dependent actin filament depolarization genetic 1 1 1 Negative Genetic
UBI4 YLL039C Ubiquitin genetic 1 1 1 Negative Genetic
BUL1 YMR275C Alpha-arrestin, component of the Rsp5p E3-ubiquitin ligase complex genetic 1 1 1 Negative Genetic
CDC4 YFL009W F-box protein required for both the G1/S and G2/M phase transitions genetic 1 1 1 Negative Genetic
CDC15 YAR019C Hippo-like kinase of the Mitotic Exit Network genetic 1 1 1 Negative Genetic
RAS2 YNL098C GTP-binding protein genetic 1 1 1 Negative Genetic
CDC123 YLR215C Assembly factor for the eIF2 translation initiation factor complex genetic 1 1 1 Negative Genetic
TEF4 YKL081W Gamma subunit of translational elongation factor eEF1B genetic 1 1 1 Negative Genetic
PPZ1 YML016C Serine/threonine protein phosphatase Z, isoform of Ppz2p genetic 1 1 1 Negative Genetic
RRP3 YHR065C Protein involved in rRNA processing genetic 1 1 1 Negative Genetic
RPL5 YPL131W Ribosomal 60S subunit protein L5 physical 1 1 1 Affinity Capture-Western
ASI3 YNL008C Subunit of the inner nuclear membrane Asi ubiquitin ligase complex genetic 1 1 1 Negative Genetic
SRV2 YNL138W CAP (cyclase-associated protein) genetic 1 1 1 Negative Genetic
SPC24 YMR117C Component of the kinetochore-associated Ndc80 complex genetic 1 1 1 Negative Genetic
MTQ2 YDR140W S-adenosylmethionine-dependent methyltransferase physical 1 1 1 Affinity Capture-MS
ATG1 YGL180W Protein serine/threonine kinase genetic 1 1 1 Negative Genetic
GNA1 YFL017C Glucosamine-6-phosphate acetyltransferase genetic 1 1 1 Negative Genetic
TRS85 YDR108W Component of transport protein particle (TRAPP) complex III genetic 1 1 1 Negative Genetic
MOB2 YFL034C-B Activator of Cbk1p kinase genetic 1 1 1 Negative Genetic
PUT4 YOR348C Proline permease genetic 1 1 1 Negative Genetic
RPS26B YER131W Protein component of the small (40S) ribosomal subunit physical 1 1 1 Affinity Capture-MS
CDC34 YDR054C Ubiquitin-conjugating enzyme (E2) genetic 1 1 1 Negative Genetic
SEC10 YLR166C Essential 100kDa subunit of the exocyst complex genetic 1 1 1 Negative Genetic
SPB1 YCL054W AdoMet-dependent methyltransferase physical 1 1 1 Two-hybrid
AIM4 YBR194W Protein proposed to be associated with the nuclear pore complex genetic 1 1 1 Negative Genetic
SAC3 YDR159W mRNA export factor genetic 1 1 1 Positive Genetic
SWC5 YBR231C Component of the SWR1 complex genetic 1 1 1 Negative Genetic
SWI6 YLR182W Transcription cofactor genetic 1 1 1 Negative Genetic
RPS1A YLR441C Ribosomal protein of the small (40S) subunit physical 1 1 1 Affinity Capture-MS
RPS8A YBL072C Protein component of the small (40S) ribosomal subunit physical 1 1 1 Affinity Capture-MS
RPL22A YLR061W Ribosomal 60S subunit protein L22A genetic 1 1 1 Positive Genetic
RPS22A YJL190C Protein component of the small (40S) ribosomal subunit physical 1 1 1 Affinity Capture-MS
MIF2 YKL089W Centromeric CDEIII region binding protein genetic 1 1 1 Negative Genetic
ATG8 YBL078C Ub-like protein genetic 1 1 1 Negative Genetic
DBF4 YDR052C Regulatory subunit of Cdc7p-Dbf4p kinase complex genetic 1 1 1 Negative Genetic
MDM12 YOL009C Mitochondrial outer membrane protein, ERMES complex subunit genetic 1 1 1 Positive Genetic
OST2 YOR103C Epsilon subunit of the oligosaccharyltransferase complex genetic 1 1 1 Negative Genetic
SEC61 YLR378C Conserved ER protein translocation channel physical 1 1 1 Affinity Capture-MS
SEC22 YLR268W R-SNARE protein genetic 1 1 1 Negative Genetic
JNM1 YMR294W Component of the yeast dynactin complex genetic 1 1 1 Negative Genetic
MOB1 YIL106W Component of the mitotic exit network genetic 1 1 1 Negative Genetic
MPT5 YGL178W mRNA-binding protein of the PUF family physical 1 1 1 Affinity Capture-RNA
ABF1 YKL112W DNA binding protein with possible chromatin-reorganizing activity genetic 1 1 1 Negative Genetic
RBL2 YOR265W Protein involved in microtubule morphogenesis genetic 1 1 1 Negative Genetic
STE50 YCL032W Adaptor protein for various signaling pathways genetic 1 1 1 Positive Genetic
NBP1 YLR457C Spindle pole body (SPB) component genetic 1 1 1 Negative Genetic
RPL25 YOL127W Ribosomal 60S subunit protein L25 physical 1 1 1 Affinity Capture-MS
PRI1 YIR008C Subunit of DNA primase genetic 1 1 1 Negative Genetic
SUR1 YPL057C Mannosylinositol phosphorylceramide (MIPC) synthase catalytic subunit genetic 1 1 1 Negative Genetic
RPS3 YNL178W Protein component of the small (40S) ribosomal subunit physical 1 1 1 Affinity Capture-MS
DBP6 YNR038W Essential protein involved in ribosome biogenesis genetic 1 1 1 Negative Genetic
RPS20 YHL015W Protein component of the small (40S) ribosomal subunit physical 1 1 1 Affinity Capture-MS
RPS0A YGR214W Ribosomal 40S subunit protein S0A physical 1 1 1 Affinity Capture-MS
PRP24 YMR268C Splicing factor that reanneals snRNPs during spliceosome recycling genetic 1 1 1 Negative Genetic
RIM1 YCR028C-A ssDNA-binding protein essential for mitochondrial genome maintenance genetic 1 1 1 Negative Genetic
PUF4 YGL014W Member of the PUF protein family physical 1 1 1 Affinity Capture-RNA
RPL37A YLR185W Ribosomal 60S subunit protein L37A physical 1 1 1 Affinity Capture-Western
YRA1 YDR381W Nuclear polyadenylated RNA-binding protein physical 1 1 1 Affinity Capture-MS
YRA2 YKL214C Member of the REF (RNA and export factor binding proteins) family physical 1 1 1 Affinity Capture-MS
YTM1 YOR272W Ribosomal assembly factor and 66S pre-ribosomal particle constituent physical 1 1 1 Two-hybrid
UTP10 YJL109C Nucleolar protein physical 1 1 1 Affinity Capture-MS
UTP14 YML093W Subunit of U3-containing Small Subunit (SSU) processome complex physical 1 1 1 Affinity Capture-MS
UTP13 YLR222C Nucleolar protein genetic 1 1 1 Positive Genetic
YHC1 YLR298C Component of the U1 snRNP complex required for pre-mRNA splicing genetic 1 1 1 Negative Genetic
YCR016W YCR016W Putative protein of unknown function genetic 1 1 1 Negative Genetic
VAM6 YDL077C Guanine nucleotide exchange factor for the GTPase Gtr1p genetic 1 1 1 Negative Genetic
YGR283C YGR283C Putative methyltransferase genetic 1 1 1 Negative Genetic
YPT7 YML001W Rab family GTPase genetic 1 1 1 Negative Genetic
YMR310C YMR310C Putative methyltransferase genetic 1 1 1 Negative Genetic
YDJ1 YNL064C Type I HSP40 co-chaperone genetic 1 1 1 Negative Genetic
VPS27 YNR006W Endosomal protein that forms a complex with Hse1p genetic 1 1 1 Negative Genetic
VTS1 YOR359W Flap-structured DNA-binding and RNA-binding protein genetic 1 1 1 Negative Genetic
VPS30 YPL120W Subunit of phosphatidylinositol (PtdIns) 3-kinase complexes I and II genetic 1 1 1 Negative Genetic
VPS4 YPR173C AAA-ATPase involved in multivesicular body (MVB) protein sorting genetic 1 1 1 Negative Genetic
THP3 YPR045C Protein that may have a role in transcription elongation genetic 1 1 1 Positive Genetic
ROT1 YMR200W Molecular chaperone involved in protein folding in ER genetic 1 1 1 Negative Genetic
RPL8B YLL045C Ribosomal 60S subunit protein L8A physical 1 1 1 Affinity Capture-Western
RPS10A YOR293W Protein component of the small (40S) ribosomal subunit physical 1 1 1 Affinity Capture-MS
GPI17 YDR434W Transmembrane protein genetic 1 1 1 Negative Genetic
RPL8A YHL033C Ribosomal 60S subunit protein L8A physical 1 1 1 Affinity Capture-Western
RPL26A YLR344W Ribosomal 60S subunit protein L26A physical 1 1 1 Affinity Capture-MS
APJ1 YNL077W Hsp40 chaperone with a role in SUMO-mediated protein degradation physical 1 1 1 Affinity Capture-MS
GPI12 YMR281W ER membrane protein involved in the second step of GPI anchor assembly genetic 1 1 1 Negative Genetic
NMT1 YLR195C N-myristoyl transferase genetic 1 1 1 Negative Genetic
PUF2 YPR042C PUF family mRNA-binding protein physical 1 1 1 Affinity Capture-RNA
EOS1 YNL080C Protein involved in N-glycosylation genetic 1 1 1 Negative Genetic
CYT1 YOR065W Cytochrome c1 genetic 1 1 1 Negative Genetic
RPS27A YKL156W Protein component of the small (40S) ribosomal subunit physical 1 1 1 Affinity Capture-MS
LIP1 YMR298W Ceramide synthase subunit genetic 1 1 1 Negative Genetic
SHE1 YBL031W Mitotic spindle protein genetic 1 1 1 Negative Genetic
DYN3 YMR299C Dynein light intermediate chain (LIC) genetic 1 1 1 Negative Genetic
ERG3 YLR056W C-5 sterol desaturase genetic 1 1 1 Positive Genetic
MRN1 YPL184C RNA-binding protein that may be involved in translational regulation genetic 1 1 1 Negative Genetic
ATG15 YCR068W Phospholipase genetic 1 1 1 Negative Genetic
CUR1 YPR158W Sorting factor, central regulator of spatial protein quality control genetic 1 1 1 Negative Genetic
TGL3 YMR313C Bifunctional triacylglycerol lipase and LPE acyltransferase genetic 1 1 1 Negative Genetic
GPI8 YDR331W Catalytic subunit of the ER membrane GPI transamidase complex genetic 1 1 1 Negative Genetic
RPS15 YOL040C Protein component of the small (40S) ribosomal subunit physical 1 1 1 Affinity Capture-MS
BCD1 YHR040W Essential protein required for the accumulation of box C/D snoRNA genetic 1 1 1 Negative Genetic
FSH1 YHR049W Lysophospholipase genetic 1 1 1 Negative Genetic
RPL37B YDR500C Ribosomal 60S subunit protein L37B physical 1 1 1 Affinity Capture-Western
PGA3 YML125C Putative cytochrome b5 reductase, localized to the plasma membrane genetic 1 1 1 Negative Genetic
TFC8 YPL007C Subunit of RNA polymerase III transcription initiation factor complex genetic 1 1 1 Negative Genetic
TPT1 YOL102C tRNA 2'-phosphotransferase that catalyzes final step in tRNA splicing genetic 1 1 1 Negative Genetic