Standard name Systematic name Name description Description
GPB2 YAL056W Multistep regulator of cAMP-PKA signaling Multistep regulator of cAMP-PKA signaling; inhibits PKA downstream of Gpa2p and Cyr1p, thereby increasing cAMP dependency; inhibits Ras activity through direct interactions with Ira1p/2p; regulated by G-alpha protein Gpa2p; GPB2 has a paralog, GPB1, that arose from the whole genome duplication
Visualize the interactome of GPB2
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
Cytoplasm 0.662 0.526 0.831
Mito 0.353 0.451 0.063
Vac/Vac Memb 0.051 0.053 NaN

GFP localization & abundance

GFP localization GFP abundance
cytoplasm, mitochondrion low signal

GO term count

Metabolism Cell cycle Cell division Signal transduction DNA replication
GPB2 0 0 0 3 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
GPA2 YER020W Nucleotide binding alpha subunit of the heterotrimeric G protein physical 5 3 4 Affinity Capture-Western, Two-hybrid, Two-hybrid, Reconstituted Complex, Two-hybrid
GPB1 YOR371C Multistep regulator of cAMP-PKA signaling genetic 4 2 4 Phenotypic Enhancement, Phenotypic Enhancement, Negative Genetic, Negative Genetic
RIM15 YFL033C Protein kinase involved in cell proliferation in response to nutrients genetic 4 1 3 Negative Genetic, Negative Genetic, Negative Genetic, Negative Genetic
IRA2 YOL081W GTPase-activating protein genetic 4 1 2 Negative Genetic, Negative Genetic, Negative Genetic, Negative Genetic
COG5 YNL051W Component of the conserved oligomeric Golgi complex genetic 3 1 2 Negative Genetic, Negative Genetic, Negative Genetic
UBP3 YER151C Ubiquitin-specific protease that cleaves Ub-protein fusions genetic 3 1 2 Negative Genetic, Negative Genetic, Negative Genetic
RPS22B YLR367W Protein component of the small (40S) ribosomal subunit genetic 3 1 2 Negative Genetic, Negative Genetic, Negative Genetic
IDH2 YOR136W Subunit of mitochondrial NAD(+)-dependent isocitrate dehydrogenase genetic 3 1 2 Negative Genetic, Negative Genetic, Negative Genetic
VAC17 YCL063W Phosphoprotein involved in vacuole inheritance genetic 2 1 2 Negative Genetic, Negative Genetic
PEX34 YCL056C Protein that regulates peroxisome populations genetic 2 1 2 Negative Genetic, Negative Genetic
MXR2 YCL033C Methionine-R-sulfoxide reductase genetic 2 1 2 Negative Genetic, Negative Genetic
STE50 YCL032W Adaptor protein for various signaling pathways genetic 2 1 2 Negative Genetic, Negative Genetic
YOR1 YGR281W Plasma membrane ATP-binding cassette (ABC) transporter genetic 2 1 2 Negative Genetic, Negative Genetic
LRP1 YHR081W Nuclear exosome-associated nucleic acid binding protein genetic 2 1 2 Negative Genetic, Negative Genetic
STB5 YHR178W Transcription factor genetic 2 1 2 Negative Genetic, Negative Genetic
MRT4 YKL009W Protein involved in mRNA turnover and ribosome assembly genetic 2 1 2 Negative Genetic, Negative Genetic
QCR2 YPR191W Subunit 2 of ubiquinol cytochrome-c reductase (Complex III) genetic 2 1 2 Negative Genetic, Negative Genetic
SCO1 YBR037C Copper-binding protein of mitochondrial inner membrane genetic 2 1 2 Negative Genetic, Negative Genetic
MSS2 YDL107W Peripherally bound inner membrane protein of the mitochondrial matrix genetic 2 1 2 Negative Genetic, Negative Genetic
RRP1 YDR087C Essential evolutionarily conserved nucleolar protein genetic 2 1 2 Negative Genetic, Negative Genetic
RML2 YEL050C Mitochondrial ribosomal protein of the large subunit (L2) genetic 2 1 2 Negative Genetic, Negative Genetic
RSM7 YJR113C Mitochondrial ribosomal protein of the small subunit genetic 2 1 2 Negative Genetic, Negative Genetic
YCK2 YNL154C Palmitoylated plasma membrane-bound casein kinase I (CK1) isoform genetic 2 1 2 Negative Genetic, Negative Genetic
GFD2 YCL036W Protein of unknown function genetic 2 1 2 Negative Genetic, Negative Genetic
DSE4 YNR067C Daughter cell-specific secreted protein with similarity to glucanases genetic 2 1 2 Negative Genetic, Negative Genetic
RHB1 YCR027C Putative Rheb-related GTPase genetic 2 1 1 Negative Genetic, Negative Genetic
NFU1 YKL040C Protein involved in Fe-S cluster transfer to mitochondrial clients genetic 2 1 1 Negative Genetic, Negative Genetic
MSC1 YML128C Protein of unknown function genetic 2 1 1 Negative Genetic, Negative Genetic
LSM6 YDR378C Lsm (Like Sm) protein genetic 2 1 1 Negative Genetic, Negative Genetic
FKH1 YIL131C Forkhead family transcription factor regulation 1 1 1 chromatin immunoprecipitation-chip evidence
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
DSN1 YIR010W Essential component of the outer kinetochore MIND complex genetic 1 1 1 Dosage Rescue
CCR4 YAL021C Component of the CCR4-NOT transcriptional complex physical 1 1 1 Affinity Capture-RNA
BUD31 YCR063W Component of the SF3b subcomplex of the U2 snRNP genetic 1 1 1 Positive Genetic
COX4 YGL187C Subunit IV of cytochrome c oxidase genetic 1 1 1 Negative Genetic
CYR1 YJL005W Adenylate cyclase genetic 1 1 1 Synthetic Rescue
DHH1 YDL160C Cytoplasmic DEAD-box helicase and mRNA decapping activator physical 1 1 1 Affinity Capture-RNA
AEP1 YMR064W Protein required for expression of the mitochondrial OLI1 gene genetic 1 1 1 Negative Genetic
CRM1 YGR218W Nuclear export factor, exportin physical 1 1 1 Affinity Capture-MS
CDC25 YLR310C Membrane bound guanine nucleotide exchange factor genetic 1 1 1 Positive Genetic
BCY1 YIL033C Regulatory subunit of the cyclic AMP-dependent protein kinase (PKA) genetic 1 1 1 Phenotypic Suppression
BRO1 YPL084W Cytoplasmic class E vacuolar protein sorting (VPS) factor genetic 1 1 1 Negative Genetic
GPA2 YER020W Nucleotide binding alpha subunit of the heterotrimeric G protein genetic 1 1 1 Phenotypic Suppression
DIA2 YOR080W Origin-binding F-box protein genetic 1 1 1 Positive Genetic
GBP2 YCL011C Poly(A+) RNA-binding protein genetic 1 1 1 Positive Genetic
BIR1 YJR089W Subunit of chromosomal passenger complex (CPC) genetic 1 1 1 Negative Genetic
ERG11 YHR007C Lanosterol 14-alpha-demethylase genetic 1 1 1 Negative Genetic
DAL81 YIR023W Positive regulator of genes in multiple nitrogen degradation pathways genetic 1 1 1 Negative Genetic
GPG1 YGL121C Proposed gamma subunit of the heterotrimeric G protein physical 1 1 1 Two-hybrid
TPK1 YJL164C cAMP-dependent protein kinase catalytic subunit physical 1 1 1 Reconstituted Complex
TPK2 YPL203W cAMP-dependent protein kinase catalytic subunit physical 1 1 1 Reconstituted Complex
TPK3 YKL166C cAMP-dependent protein kinase catalytic subunit physical 1 1 1 Reconstituted Complex
IRA1 YBR140C GTPase-activating protein physical 1 1 1 Affinity Capture-Western
IRA2 YOL081W GTPase-activating protein physical 1 1 1 Affinity Capture-Western
PAT1 YCR077C Deadenylation-dependent mRNA-decapping factor physical 1 1 1 Affinity Capture-RNA
MFT1 YML062C Subunit of the THO complex physical 1 1 1 Affinity Capture-MS
THO2 YNL139C Subunit of the THO complex physical 1 1 1 Affinity Capture-MS
VAM6 YDL077C Guanine nucleotide exchange factor for the GTPase Gtr1p physical 1 1 1 Affinity Capture-MS
PUF3 YLL013C Protein of the mitochondrial outer surface physical 1 1 1 Affinity Capture-RNA
ISW1 YBR245C ATPase subunit of imitation-switch (ISWI) class chromatin remodelers physical 1 1 1 Affinity Capture-RNA
VTS1 YOR359W Flap-structured DNA-binding and RNA-binding protein physical 1 1 1 Affinity Capture-RNA
SCS3 YGL126W Protein required for normal ER membrane biosynthesis in response to ER physical 1 1 1 PCA
MRC1 YCL061C S-phase checkpoint protein required for DNA replication genetic 1 1 1 Negative Genetic
PCP1 YGR101W Mitochondrial serine protease genetic 1 1 1 Negative Genetic
SOD2 YHR008C Mitochondrial manganese superoxide dismutase genetic 1 1 1 Negative Genetic
RPS27B YHR021C Protein component of the small (40S) ribosomal subunit genetic 1 1 1 Negative Genetic
SSY1 YDR160W Component of the SPS plasma membrane amino acid sensor system genetic 1 1 1 Negative Genetic
PDE2 YOR360C High-affinity cyclic AMP phosphodiesterase genetic 1 1 1 Synthetic Rescue
RAS2 YNL098C GTP-binding protein genetic 1 1 1 Phenotypic Suppression
YKU70 YMR284W Subunit of the telomeric Ku complex (Yku70p-Yku80p) genetic 1 1 1 Negative Genetic
POL1 YNL102W Catalytic subunit of the DNA polymerase I alpha-primase complex genetic 1 1 1 Synthetic Growth Defect
RLP24 YLR009W Essential protein required for ribosomal large subunit biogenesis genetic 1 1 1 Positive Genetic
YTA7 YGR270W Chromatin-binding ATPase that regulates histone gene expression genetic 1 1 1 Positive Genetic
OST4 YDL232W Subunit of the oligosaccharyltransferase complex of the ER lumen genetic 1 1 1 Positive Genetic
TIM13 YGR181W Mitochondrial intermembrane space protein genetic 1 1 1 Positive Genetic
SUC2 YIL162W Invertase genetic 1 1 1 Positive Genetic
NDL1 YLR254C Homolog of nuclear distribution factor NudE genetic 1 1 1 Positive Genetic
POR1 YNL055C Mitochondrial porin (voltage-dependent anion channel) genetic 1 1 1 Positive Genetic
VMA13 YPR036W Subunit H of the V1 peripheral membrane domain of V-ATPase genetic 1 1 1 Positive Genetic
TAF5 YBR198C Subunit (90 kDa) of TFIID and SAGA complexes genetic 1 1 1 Negative Genetic
SUP35 YDR172W Translation termination factor eRF3 genetic 1 1 1 Negative Genetic
NCB2 YDR397C Subunit of a heterodimeric NC2 transcription regulator complex genetic 1 1 1 Negative Genetic
VHT1 YGR065C High-affinity plasma membrane H+-biotin (vitamin H) symporter genetic 1 1 1 Negative Genetic
TEM1 YML064C GTPase involved in initiation of Mitotic Exit Network (MEN) genetic 1 1 1 Negative Genetic
SPC24 YMR117C Component of the kinetochore-associated Ndc80 complex genetic 1 1 1 Negative Genetic
RPA190 YOR341W RNA polymerase I largest subunit A190 genetic 1 1 1 Negative Genetic
MLO50 YLR049C Mitochondrial protein of unknown function genetic 1 1 1 Negative Genetic
SEC72 YLR292C Non-essential subunit of Sec63 complex genetic 1 1 1 Negative Genetic
UBX2 YML013W Bridging factor involved in ER-associated protein degradation (ERAD) genetic 1 1 1 Negative Genetic
LSM7 YNL147W Lsm (Like Sm) protein genetic 1 1 1 Negative Genetic
ISN1 YOR155C Inosine 5'-monophosphate (IMP)-specific 5'-nucleotidase genetic 1 1 1 Negative Genetic
YBR298C-A YBR298C-A Putative protein of unknown function genetic 1 1 1 Negative Genetic
TRS85 YDR108W Component of transport protein particle (TRAPP) complex III genetic 1 1 1 Negative Genetic
YGL235W YGL235W Putative protein of unknown function genetic 1 1 1 Negative Genetic
QCR9 YGR183C Subunit 9 of ubiquinol cytochrome-c reductase (Complex III) genetic 1 1 1 Negative Genetic
SCH9 YHR205W AGC family protein kinase genetic 1 1 1 Negative Genetic
QCR8 YJL166W Subunit 8 of ubiquinol cytochrome-c reductase (Complex III) genetic 1 1 1 Negative Genetic
YLR162W YLR162W Protein of unknown function genetic 1 1 1 Negative Genetic
ROM2 YLR371W Guanine nucleotide exchange factor (GEF) for Rho1p and Rho2p genetic 1 1 1 Negative Genetic
RPL31B YLR406C Ribosomal 60S subunit protein L31B genetic 1 1 1 Negative Genetic
YML100W-A YML100W-A Putative protein of unknown function genetic 1 1 1 Negative Genetic
MRPL17 YNL252C Mitochondrial ribosomal protein of the large subunit genetic 1 1 1 Negative Genetic
YOR012W YOR012W Putative protein of unknown function genetic 1 1 1 Negative Genetic
MGM1 YOR211C Mitochondrial GTPase, present in complex with Ugo1p and Fzo1p genetic 1 1 1 Negative Genetic
HAP5 YOR358W Subunit of the Hap2p/3p/4p/5p CCAAT-binding complex genetic 1 1 1 Negative Genetic
MRPS16 YPL013C Mitochondrial ribosomal protein of the small subunit genetic 1 1 1 Negative Genetic
SUV3 YPL029W ATP-dependent RNA helicase genetic 1 1 1 Negative Genetic
HRQ1 YDR291W 3'-5' DNA helicase of the conserved RecQ family genetic 1 1 1 Negative Genetic
SGS1 YMR190C RecQ family nucleolar DNA helicase genetic 1 1 1 Negative Genetic
EAF7 YNL136W Subunit of the NuA4 histone acetyltransferase complex genetic 1 1 1 Negative Genetic
COX10 YPL172C Heme A:farnesyltransferase genetic 1 1 1 Negative Genetic
CYT1 YOR065W Cytochrome c1 genetic 1 1 1 Negative Genetic
CYC2 YOR037W Mitochondrial peripheral inner membrane protein genetic 1 1 1 Negative Genetic
COX23 YHR116W Protein that functions in mitochondrial copper homeostasis genetic 1 1 1 Negative Genetic
EDC1 YGL222C RNA-binding protein that activates mRNA decapping directly genetic 1 1 1 Positive Genetic
COX9 YDL067C Subunit VIIa of cytochrome c oxidase (Complex IV) genetic 1 1 1 Negative Genetic