Standard name Systematic name Name description Description
PSP1 YDR505C Asn and gln rich protein of unknown function Asn and gln rich protein of unknown function; high-copy suppressor of POL1 (DNA polymerase alpha) and partial suppressor of CDC2 (polymerase delta) and CDC6 (pre-RC loading factor) mutations; overexpression results in growth inhibition; capable of forming the prion [PSP1+]; PSP1 has a paralog, YLR177W, that arose from the whole genome duplication
Visualize the interactome of PSP1
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 0.992 0.974 0.963

GFP localization & abundance

GFP localization GFP abundance
cytoplasm 259

GO term count

Metabolism Cell cycle Cell division Signal transduction DNA replication
PSP1 0 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
CIK1 YMR198W Kinesin-associated protein genetic 4 1 3 Negative Genetic, Negative Genetic, Negative Genetic, Negative Genetic
CMR1 YDL156W Nuclear protein with role in transcription, protein quality control genetic 3 2 2 Synthetic Growth Defect, Synthetic Growth Defect, Negative Genetic
SCS7 YMR272C Sphingolipid alpha-hydroxylase genetic 3 1 2 Negative Genetic, Negative Genetic, Negative Genetic
LRP1 YHR081W Nuclear exosome-associated nucleic acid binding protein genetic 2 2 2 Negative Genetic, Synthetic Lethality
NAB2 YGL122C Nuclear polyadenylated RNA-binding protein physical 2 2 2 Two-hybrid, Affinity Capture-RNA
HOF1 YMR032W F-BAR protein that regulates actin cytoskeleton organization genetic 2 2 2 Negative Genetic, Dosage Rescue
FKH1 YIL131C Forkhead family transcription factor regulation 2 1 2 chromatin immunoprecipitation-chip evidence, chromatin immunoprecipitation-chip evidence
CEG1 YGL130W Guanylyltransferase involved in mRNA 5' capping genetic 2 1 2 Negative Genetic, Negative Genetic
BRE5 YNR051C Ubiquitin protease cofactor genetic 2 1 2 Negative Genetic, Negative Genetic
AKR1 YDR264C Palmitoyl transferase involved in protein palmitoylation genetic 2 1 2 Negative Genetic, Negative Genetic
BTS1 YPL069C Geranylgeranyl diphosphate synthase (GGPPS) genetic 2 1 2 Negative Genetic, Negative Genetic
SUB1 YMR039C Transcriptional regulator genetic 2 1 2 Negative Genetic, Negative Genetic
MOT3 YMR070W Transcriptional repressor, activator genetic 2 1 2 Negative Genetic, Negative Genetic
BEM1 YBR200W Protein containing SH3-domains genetic 2 1 1 Negative Genetic, Negative Genetic
ELP2 YGR200C Subunit of Elongator complex genetic 2 1 1 Negative Genetic, Negative Genetic
SSB1 YDL229W Cytoplasmic ATPase that is a ribosome-associated molecular chaperone physical 2 1 1 Affinity Capture-MS, Affinity Capture-MS
VPS27 YNR006W Endosomal protein that forms a complex with Hse1p genetic 2 1 1 Negative Genetic, Negative Genetic
XBP1 YIL101C Transcriptional repressor 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
FHL1 YPR104C Regulator of ribosomal protein (RP) transcription regulation 1 1 1 chromatin immunoprecipitation-chip evidence
UGA3 YDL170W Transcriptional activator for GABA-dependent induction of GABA genes regulation 1 1 1 chromatin immunoprecipitation-chip evidence
EBP2 YKL172W Required for 25S rRNA maturation and 60S ribosomal subunit assembly genetic 1 1 1 Negative Genetic
ERB1 YMR049C Constituent of 66S pre-ribosomal particles genetic 1 1 1 Negative Genetic
CDC48 YDL126C AAA ATPase with protein-unfoldase activity genetic 1 1 1 Dosage Rescue
NAP1 YKR048C Histone chaperone and assembly chaperone for Rps6a/b genetic 1 1 1 Negative Genetic
CCR4 YAL021C Component of the CCR4-NOT transcriptional complex physical 1 1 1 Affinity Capture-RNA
ARC15 YIL062C Subunit of the ARP2/3 complex genetic 1 1 1 Negative Genetic
ARP3 YJR065C Essential component of the Arp2/3 complex genetic 1 1 1 Negative Genetic
CDC28 YBR160W Cyclin-dependent kinase (CDK) catalytic subunit genetic 1 1 1 Negative Genetic
CKS1 YBR135W Cyclin-dependent protein kinase regulatory subunit and adaptor genetic 1 1 1 Negative Genetic
ERV25 YML012W Member of the p24 family involved in ER to Golgi transport genetic 1 1 1 Negative Genetic
DYN1 YKR054C Cytoplasmic heavy chain dynein physical 1 1 1 Two-hybrid
IPP1 YBR011C Cytoplasmic inorganic pyrophosphatase (PPase) genetic 1 1 1 Negative Genetic
ISW1 YBR245C ATPase subunit of imitation-switch (ISWI) class chromatin remodelers physical 1 1 1 Affinity Capture-RNA
END3 YNL084C EH domain-containing protein involved in endocytosis genetic 1 1 1 Negative Genetic
CRM1 YGR218W Nuclear export factor, exportin physical 1 1 1 Affinity Capture-MS
COG3 YER157W Essential component of the conserved oligomeric Golgi complex genetic 1 1 1 Negative Genetic
MED6 YHR058C Subunit of the RNA polymerase II mediator complex genetic 1 1 1 Negative Genetic
MRPL24 YMR193W Mitochondrial ribosomal protein of the large subunit genetic 1 1 1 Positive Genetic
GEP3 YOR205C Protein required for mitochondrial ribosome small subunit biogenesis genetic 1 1 1 Negative Genetic
CMR1 YDL156W Nuclear protein with role in transcription, protein quality control physical 1 1 1 Affinity Capture-MS
MUM2 YBR057C Protein essential for meiotic DNA replication and sporulation physical 1 1 1 Two-hybrid
MYO1 YHR023W Type II myosin heavy chain physical 1 1 1 Two-hybrid
MYO1 YHR023W Type II myosin heavy chain genetic 1 1 1 Dosage Rescue
ARP8 YOR141C Nuclear actin-related protein involved in chromatin remodeling genetic 1 1 1 Negative Genetic
NOT3 YIL038C Component of the CCR4-NOT core complex, involved in mRNA decapping genetic 1 1 1 Negative Genetic
DOA4 YDR069C Ubiquitin hydrolase genetic 1 1 1 Negative Genetic
POL1 YNL102W Catalytic subunit of the DNA polymerase I alpha-primase complex genetic 1 1 1 Dosage Rescue
POL12 YBL035C B subunit of DNA polymerase alpha-primase complex genetic 1 1 1 Dosage Rescue
POP7 YBR167C Subunit of RNase MRP, nuclear RNase P and telomerase genetic 1 1 1 Negative Genetic
DAM1 YGR113W Essential subunit of the Dam1 complex (aka DASH complex) genetic 1 1 1 Negative Genetic
CDC6 YJL194W Essential ATP-binding protein required for DNA replication genetic 1 1 1 Dosage Rescue
BRR1 YPR057W snRNP protein component of spliceosomal snRNPs genetic 1 1 1 Negative Genetic
ACE2 YLR131C Transcription factor required for septum destruction after cytokinesis 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
GET2 YER083C Subunit of the GET complex genetic 1 1 1 Negative Genetic
ILV3 YJR016C Dihydroxyacid dehydratase genetic 1 1 1 Negative Genetic
HHT1 YBR010W Histone H3 physical 1 1 1 Affinity Capture-MS
DPB11 YJL090C DNA replication initiation protein genetic 1 1 1 Positive Genetic
LSC1 YOR142W Alpha subunit of succinyl-CoA ligase genetic 1 1 1 Negative Genetic
AIR1 YIL079C Zinc knuckle protein genetic 1 1 1 Synthetic Lethality
BUB3 YOR026W Kinetochore checkpoint WD40 repeat protein genetic 1 1 1 Positive Genetic
GCR2 YNL199C Transcriptional activator of genes involved in glycolysis genetic 1 1 1 Negative Genetic
BIR1 YJR089W Subunit of chromosomal passenger complex (CPC) genetic 1 1 1 Positive Genetic
CLN3 YAL040C G1 cyclin involved in cell cycle progression genetic 1 1 1 Negative Genetic
GZF3 YJL110C GATA zinc finger protein physical 1 1 1 Two-hybrid
ASK10 YGR097W Regulator of the Fps1p glycerol channel genetic 1 1 1 Positive Genetic
BUB1 YGR188C Protein kinase involved in the cell cycle checkpoint into anaphase genetic 1 1 1 Positive Genetic
PAN1 YIR006C Part of actin cytoskeleton-regulatory complex Pan1p-Sla1p-End3p genetic 1 1 1 Negative Genetic
BET1 YIL004C Type II membrane protein required for vesicular transport genetic 1 1 1 Negative Genetic
HAP1 YLR256W Zinc finger transcription factor genetic 1 1 1 Negative Genetic
MPT5 YGL178W mRNA-binding protein of the PUF family physical 1 1 1 Affinity Capture-RNA
POL3 YDL102W Catalytic subunit of DNA polymerase delta genetic 1 1 1 Dosage Rescue
HHT2 YNL031C Histone H3 physical 1 1 1 Affinity Capture-MS
HRD1 YOL013C Ubiquitin-protein ligase involved in ER-associated degradation (ERAD) genetic 1 1 1 Negative Genetic
ERV29 YGR284C Protein localized to COPII-coated vesicles genetic 1 1 1 Negative Genetic
ENV11 YGR071C Protein proposed to be involved in vacuolar functions genetic 1 1 1 Negative Genetic
BET4 YJL031C Alpha subunit of Type II geranylgeranyltransferase genetic 1 1 1 Negative Genetic
PIN3 YPR154W Negative regulator of actin nucleation-promoting factor activity physical 1 1 1 Two-hybrid
MOG1 YJR074W Conserved nuclear protein that interacts with GTP-Gsp1p genetic 1 1 1 Negative Genetic
ORM2 YLR350W Protein that mediates sphingolipid homeostasis genetic 1 1 1 Negative Genetic
PRP24 YMR268C Splicing factor that reanneals snRNPs during spliceosome recycling genetic 1 1 1 Negative Genetic
CCC1 YLR220W Vacuolar Fe2+/Mn2+ transporter genetic 1 1 1 Negative Genetic
PBN1 YCL052C Component of glycosylphosphatidylinositol-mannosyltransferase I genetic 1 1 1 Negative Genetic
MMS1 YPR164W Subunit of E3 ubiquitin ligase complex involved in replication repair genetic 1 1 1 Negative Genetic
CYK3 YDL117W SH3-domain protein located in the bud neck and cytokinetic actin ring genetic 1 1 1 Dosage Rescue
ADE12 YNL220W Adenylosuccinate synthase genetic 1 1 1 Negative Genetic
AHC2 YCR082W Component of the ADA histone acetyltransferase complex physical 1 1 1 Affinity Capture-MS
INP54 YOL065C Phosphatidylinositol 4,5-bisphosphate 5-phosphatase genetic 1 1 1 Negative Genetic
PTK2 YJR059W Serine/threonine protein kinase physical 1 1 1 Biochemical Activity
SPT7 YBR081C Subunit of the SAGA transcriptional regulatory complex physical 1 1 1 Affinity Capture-MS
SUS1 YBR111W-A Global transcriptional regulator, component of SAGA, TREX-2 complexes physical 1 1 1 Affinity Capture-MS
STE50 YCL032W Adaptor protein for various signaling pathways physical 1 1 1 Two-hybrid
TAF1 YGR274C TFIID subunit, involved in RNA pol II transcription initiation physical 1 1 1 Two-hybrid
SMY1 YKL079W Kinesin-like myosin passenger-protein physical 1 1 1 Two-hybrid
STB2 YMR053C Protein that interacts with Sin3p in a two-hybrid assay physical 1 1 1 Two-hybrid
TYE7 YOR344C Serine-rich protein that contains a bHLH DNA binding motif physical 1 1 1 Two-hybrid
RPB3 YIL021W RNA polymerase II third largest subunit B44 physical 1 1 1 Affinity Capture-MS
SAM50 YNL026W Component of the Sorting and Assembly Machinery (SAM) complex physical 1 1 1 Affinity Capture-MS
PUB1 YNL016W Poly (A)+ RNA-binding protein physical 1 1 1 Affinity Capture-MS
RET1 YOR207C Second-largest subunit of RNA polymerase III genetic 1 1 1 Negative Genetic
SDS3 YIL084C Component of the Rpd3L histone deacetylase complex genetic 1 1 1 Negative Genetic
RVB2 YPL235W ATP-dependent DNA helicase, also known as reptin genetic 1 1 1 Negative Genetic
THO2 YNL139C Subunit of the THO complex genetic 1 1 1 Negative Genetic
UBP3 YER151C Ubiquitin-specific protease that cleaves Ub-protein fusions genetic 1 1 1 Negative Genetic
TAF12 YDR145W Subunit (61/68 kDa) of TFIID and SAGA complexes genetic 1 1 1 Positive Genetic
RSC6 YCR052W Component of the RSC chromatin remodeling complex genetic 1 1 1 Positive Genetic
RPP1A YDL081C Ribosomal stalk protein P1 alpha genetic 1 1 1 Negative Genetic
SNF4 YGL115W Activating gamma subunit of the AMP-activated Snf1p kinase complex genetic 1 1 1 Negative Genetic
YOR1 YGR281W Plasma membrane ATP-binding cassette (ABC) transporter genetic 1 1 1 Negative Genetic
RPO31 YOR116C RNA polymerase III largest subunit C160 genetic 1 1 1 Negative Genetic
STU1 YBL034C Microtubule plus-end-tracking non-motor protein genetic 1 1 1 Dosage Rescue
SAC1 YKL212W Phosphatidylinositol phosphate phosphatase genetic 1 1 1 Negative Genetic
RIC1 YLR039C Protein involved in retrograde transport to the cis-Golgi network genetic 1 1 1 Negative Genetic
RSM19 YNR037C Mitochondrial ribosomal protein of the small subunit genetic 1 1 1 Positive Genetic
SRB6 YBR253W Subunit of the RNA polymerase II mediator complex genetic 1 1 1 Negative Genetic
RPN6 YDL097C Essential, non-ATPase regulatory subunit of the 26S proteasome lid genetic 1 1 1 Negative Genetic
RPL28 YGL103W Ribosomal 60S subunit protein L28 genetic 1 1 1 Negative Genetic
RIX1 YHR197W Component of the Rix1 complex and possibly pre-replicative complexes genetic 1 1 1 Negative Genetic
SEC65 YML105C Subunit of the signal recognition particle (SRP) genetic 1 1 1 Negative Genetic
RPB11 YOL005C RNA polymerase II subunit B12.5 genetic 1 1 1 Negative Genetic
RPT5 YOR117W ATPase of the 19S regulatory particle of the 26S proteasome genetic 1 1 1 Negative Genetic
SGV1 YPR161C Cyclin (Bur2p)-dependent protein kinase genetic 1 1 1 Negative Genetic
RPL4A YBR031W Ribosomal 60S subunit protein L4A genetic 1 1 1 Negative Genetic
TEF2 YBR118W Translational elongation factor EF-1 alpha genetic 1 1 1 Negative Genetic
YER079W YER079W Putative protein of unknown function genetic 1 1 1 Negative Genetic
TCD1 YHR003C tRNA threonylcarbamoyladenosine dehydratase genetic 1 1 1 Negative Genetic
VPS24 YKL041W One of four subunits of the ESCRT-III complex genetic 1 1 1 Negative Genetic
UBC12 YLR306W Enzyme that mediates the conjugation of Rub1p genetic 1 1 1 Negative Genetic
VRP1 YLR337C Verprolin, proline-rich actin-associated protein genetic 1 1 1 Negative Genetic
SLA2 YNL243W Adaptor protein that links actin to clathrin and endocytosis genetic 1 1 1 Negative Genetic
RPL18B YNL301C Ribosomal 60S subunit protein L18B genetic 1 1 1 Negative Genetic
YNR068C YNR068C Putative protein of unknown function genetic 1 1 1 Negative Genetic
YOR012W YOR012W Putative protein of unknown function genetic 1 1 1 Negative Genetic
TUF1 YOR187W Mitochondrial translation elongation factor Tu (EF-Tu) genetic 1 1 1 Negative Genetic
SNX3 YOR357C Sorting nexin for late-Golgi enzymes genetic 1 1 1 Negative Genetic
VPS30 YPL120W Subunit of phosphatidylinositol (PtdIns) 3-kinase complexes I and II genetic 1 1 1 Negative Genetic
YPR172W YPR172W Protein of unknown function genetic 1 1 1 Negative Genetic
CHS2 YBR038W Chitin synthase II genetic 1 1 1 Dosage Rescue
LDB18 YLL049W Component of the dynactin complex genetic 1 1 1 Positive Genetic
GPI13 YLL031C ER membrane localized phosphoryltransferase genetic 1 1 1 Positive Genetic
DAT1 YML113W DNA binding protein that recognizes oligo(dA).oligo(dT) tracts genetic 1 1 1 Negative Genetic
HTS1 YPR033C Cytoplasmic and mitochondrial histidine tRNA synthetase genetic 1 1 1 Negative Genetic
NCE103 YNL036W Carbonic anhydrase genetic 1 1 1 Negative Genetic
PMT7 YDR307W Putative protein mannosyltransferase similar to Pmt1p genetic 1 1 1 Negative Genetic
GCV1 YDR019C T subunit of the mitochondrial glycine decarboxylase complex genetic 1 1 1 Negative Genetic