Standard name Systematic name Name description Description
LEU4 YNL104C Alpha-isopropylmalate synthase (2-isopropylmalate synthase) Alpha-isopropylmalate synthase (2-isopropylmalate synthase); the main isozyme responsible for the first step in the leucine biosynthesis pathway; LEU4 has a paralog, LEU9, that arose from the whole genome duplication
Visualize the interactome of LEU4
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
Golgi 0.256 0.324 0.586
Mito 0.721 0.570 0.403
Nucleolus 0.261 0.246 0.105
Vac/Vac Memb 0.093 0.156 0.188

GFP localization & abundance

GFP localization GFP abundance
cytoplasm, mitochondrion 6630

GO term count

Metabolism Cell cycle Cell division Signal transduction DNA replication
LEU4 2 0 0 0 0

Enzyme information

Catalyzed reactions in Yeast8
r_0024 (2-isopropylmalate synthase), r_0025 (2-isopropylmalate synthase)

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
LEU9 YOR108W Alpha-isopropylmalate synthase II (2-isopropylmalate synthase) physical 6 3 4 Affinity Capture-MS, Affinity Capture-MS, Affinity Capture-MS, Two-hybrid, PCA, PCA
LEU9 YOR108W Alpha-isopropylmalate synthase II (2-isopropylmalate synthase) genetic 4 3 3 Synthetic Growth Defect, Synthetic Growth Defect, Phenotypic Enhancement, Dosage Lethality
GCN4 YEL009C bZIP transcriptional activator of amino acid biosynthetic genes regulation 3 3 3 beta-galactosidase reporter gene assay evidence, chromatin immunoprecipitation-chip evidence, DNA to cDNA expression microarray evidence
LEU3 YLR451W Zinc-knuckle transcription factor, repressor and activator regulation 3 2 3 beta-galactosidase reporter gene assay evidence, beta-galactosidase reporter gene assay evidence, chromatin immunoprecipitation-chip evidence
HSP82 YPL240C Hsp90 chaperone physical 3 1 3 Affinity Capture-MS, Affinity Capture-MS, Affinity Capture-MS
FKH1 YIL131C Forkhead family transcription factor regulation 2 2 2 chromatin immunoprecipitation-chip evidence, ChEC-Seq experiments
FKH2 YNL068C Forkhead family transcription factor regulation 2 2 2 chromatin immunoprecipitation-chip evidence, ChEC-Seq experiments
SAC3 YDR159W mRNA export factor genetic 2 2 2 Dosage Rescue, Negative Genetic
CDC42 YLR229C Small rho-like GTPase genetic 2 1 2 Negative Genetic, Negative Genetic
RPN11 YFR004W Metalloprotease subunit of 19S regulatory particle physical 2 1 2 Affinity Capture-MS, Affinity Capture-MS
POL12 YBL035C B subunit of DNA polymerase alpha-primase complex genetic 2 1 2 Negative Genetic, Negative Genetic
POL3 YDL102W Catalytic subunit of DNA polymerase delta genetic 2 1 2 Negative Genetic, Negative Genetic
UBA4 YHR111W E1-like protein that activates Urm1p before urmylation genetic 2 1 2 Negative Genetic, Negative Genetic
FRE1 YLR214W Ferric reductase and cupric reductase genetic 2 1 2 Negative Genetic, Negative Genetic
RIM15 YFL033C Protein kinase involved in cell proliferation in response to nutrients genetic 2 1 1 Negative Genetic, Negative Genetic
IXR1 YKL032C Transcriptional repressor that regulates hypoxic genes during normoxia regulation 1 1 1 DNA to cDNA expression microarray evidence
CBF1 YJR060W Basic helix-loop-helix (bHLH) protein regulation 1 1 1 chromatin immunoprecipitation-chip evidence
MET32 YDR253C Zinc-finger DNA-binding transcription factor regulation 1 1 1 chromatin immunoprecipitation-chip evidence
MET4 YNL103W Leucine-zipper transcriptional activator regulation 1 1 1 chromatin immunoprecipitation-chip evidence
SPT3 YDR392W Subunit of the SAGA and SAGA-like transcriptional regulatory complexes regulation 1 1 1 chromatin immunoprecipitation-chip evidence
SWI4 YER111C DNA binding component of the SBF complex (Swi4p-Swi6p) regulation 1 1 1 chromatin immunoprecipitation-chip evidence
ADH1 YOL086C Alcohol dehydrogenase genetic 1 1 1 Positive Genetic
CBC2 YPL178W Small subunit of the heterodimeric cap binding complex with Sto1p genetic 1 1 1 Negative Genetic
ALA1 YOR335C Cytoplasmic and mitochondrial alanyl-tRNA synthetase genetic 1 1 1 Negative Genetic
BAT1 YHR208W Mitochondrial branched-chain amino acid (BCAA) aminotransferase physical 1 1 1 Affinity Capture-MS
CDC28 YBR160W Cyclin-dependent kinase (CDK) catalytic subunit genetic 1 1 1 Dosage Lethality
COX6 YHR051W Subunit VI of cytochrome c oxidase (Complex IV) genetic 1 1 1 Negative Genetic
ESP1 YGR098C Separase/separin, a caspase-like cysteine protease physical 1 1 1 Affinity Capture-MS
HSC82 YMR186W Cytoplasmic chaperone of the Hsp90 family physical 1 1 1 Affinity Capture-MS
IMG2 YCR071C Mitochondrial ribosomal protein of the large subunit physical 1 1 1 Proximity Label-MS
GPH1 YPR160W Glycogen phosphorylase required for the mobilization of glycogen genetic 1 1 1 Negative Genetic
AKL1 YBR059C Ser/Thr protein kinase physical 1 1 1 Reconstituted Complex
GPP1 YIL053W Constitutively expressed DL-glycerol-3-phosphate phosphatase genetic 1 1 1 Negative Genetic
HSP104 YLL026W Disaggregase physical 1 1 1 Affinity Capture-MS
CDC20 YGL116W Activator of anaphase-promoting complex/cyclosome (APC/C) genetic 1 1 1 Negative Genetic
GAL7 YBR018C Galactose-1-phosphate uridyl transferase genetic 1 1 1 Negative Genetic
HOG1 YLR113W Mitogen-activated protein kinase involved in osmoregulation physical 1 1 1 Affinity Capture-MS
ISU1 YPL135W Conserved protein of the mitochondrial matrix genetic 1 1 1 Negative Genetic
HHO1 YPL127C Histone H1, linker histone with roles in meiosis and sporulation genetic 1 1 1 Negative Genetic
INO2 YDR123C Transcription factor genetic 1 1 1 Negative Genetic
LOT5 YKL183W Protein of unknown function physical 1 1 1 Two-hybrid
RSA3 YLR221C Protein with a likely role in ribosomal maturation physical 1 1 1 Affinity Capture-MS
LEU4 YNL104C Alpha-isopropylmalate synthase (2-isopropylmalate synthase) physical 1 1 1 Two-hybrid
PHO85 YPL031C Cyclin-dependent kinase physical 1 1 1 Biochemical Activity
MCK1 YNL307C Dual-specificity ser/thr and tyrosine protein kinase physical 1 1 1 Reconstituted Complex
MEK1 YOR351C Meiosis-specific serine/threonine protein kinase physical 1 1 1 Reconstituted Complex
NRD1 YNL251C RNA-binding subunit of Nrd1 complex physical 1 1 1 Affinity Capture-RNA
MIC60 YKR016W Component of the MICOS complex physical 1 1 1 Affinity Capture-MS
RMP1 YLR145W Subunit of RNase MRP physical 1 1 1 Affinity Capture-RNA
PAT1 YCR077C Deadenylation-dependent mRNA-decapping factor physical 1 1 1 Affinity Capture-RNA
PXA1 YPL147W Subunit of heterodimeric peroxisomal ABC transport complex, with Pxa2p physical 1 1 1 PCA
MMS22 YLR320W Subunit of E3 ubiquitin ligase complex involved in replication repair physical 1 1 1 Affinity Capture-MS
SSC1 YJR045C Hsp70 family ATPase physical 1 1 1 Affinity Capture-MS
PUF2 YPR042C PUF family mRNA-binding protein physical 1 1 1 Affinity Capture-RNA
RPC82 YPR190C RNA polymerase III subunit C82 physical 1 1 1 Affinity Capture-MS
PMP1 YCR024C-A Regulatory subunit for the plasma membrane H(+)-ATPase Pma1p physical 1 1 1 Affinity Capture-RNA
SAM50 YNL026W Component of the Sorting and Assembly Machinery (SAM) complex physical 1 1 1 Affinity Capture-MS
RRP6 YOR001W Nuclear exosome exonuclease component physical 1 1 1 Affinity Capture-MS
MDH1 YKL085W Mitochondrial malate dehydrogenase physical 1 1 1 Affinity Capture-MS
MHR1 YDR296W Mitochondrial ribosomal protein of the large subunit physical 1 1 1 Proximity Label-MS
MRPL10 YNL284C Mitochondrial ribosomal protein of the large subunit physical 1 1 1 Proximity Label-MS
MRPL17 YNL252C Mitochondrial ribosomal protein of the large subunit physical 1 1 1 Proximity Label-MS
SEC61 YLR378C Conserved ER protein translocation channel physical 1 1 1 Affinity Capture-MS
TIM23 YNR017W Essential component of the TIM23 complex physical 1 1 1 Affinity Capture-MS
SPT16 YGL207W Subunit of the heterodimeric FACT complex (Spt16p-Pob3p) physical 1 1 1 Affinity Capture-MS
PKC1 YBL105C Protein serine/threonine kinase genetic 1 1 1 Negative Genetic
SRF1 YDL133W Regulator of phospholipase D (Spo14p) genetic 1 1 1 Negative Genetic
SYS1 YJL004C Integral membrane protein of the Golgi genetic 1 1 1 Negative Genetic
PUB1 YNL016W Poly (A)+ RNA-binding protein genetic 1 1 1 Negative Genetic
TGL1 YKL140W Steryl ester hydrolase genetic 1 1 1 Negative Genetic
YHR020W YHR020W Prolyl-tRNA synthetase genetic 1 1 1 Negative Genetic
TPS2 YDR074W Phosphatase subunit of the trehalose-6-P synthase/phosphatase complex genetic 1 1 1 Negative Genetic
VAM7 YGL212W Vacuolar SNARE protein genetic 1 1 1 Positive Genetic
VPS53 YJL029C Component of the GARP (Golgi-associated retrograde protein) complex genetic 1 1 1 Positive Genetic
YJR084W YJR084W Protein that forms a complex with Thp3p genetic 1 1 1 Positive Genetic
POM33 YLL023C Transmembrane nucleoporin genetic 1 1 1 Positive Genetic
YPR097W YPR097W Protein that contains a PX domain and binds phosphoinositides genetic 1 1 1 Positive Genetic
SEC1 YDR164C Sm-like protein involved in docking and fusion of exocytic vesicles genetic 1 1 1 Negative Genetic
UTP8 YGR128C Nucleolar protein required for export of tRNAs from the nucleus genetic 1 1 1 Negative Genetic
MAK11 YKL021C Protein involved in an early step of 60S ribosomal subunit biogenesis genetic 1 1 1 Negative Genetic
SED5 YLR026C cis-Golgi t-SNARE syntaxin genetic 1 1 1 Negative Genetic
UFE1 YOR075W t-SNARE protein required for retrograde vesicular traffic genetic 1 1 1 Negative Genetic
MRD1 YPR112C Essential conserved small ribosomal subunit (40s) synthesis factor genetic 1 1 1 Negative Genetic
NOP1 YDL014W Histone glutamine methyltransferase, modifies H2A at Q105 in nucleolus genetic 1 1 1 Negative Genetic
SMD1 YGR074W Core Sm protein Sm D1 genetic 1 1 1 Negative Genetic
YIP1 YGR172C Integral membrane protein genetic 1 1 1 Negative Genetic
NUP192 YJL039C Essential subunit of inner ring of nuclear pore complex (NPC) genetic 1 1 1 Negative Genetic
PRP19 YLL036C Splicing factor associated with the spliceosome genetic 1 1 1 Negative Genetic
NSE1 YLR007W Component of the SMC5-SMC6 complex genetic 1 1 1 Negative Genetic
RPT4 YOR259C ATPase of the 19S regulatory particle of the 26S proteasome genetic 1 1 1 Negative Genetic
PDX3 YBR035C Pyridoxine (pyridoxamine) phosphate oxidase genetic 1 1 1 Negative Genetic
RVS161 YCR009C Amphiphysin-like lipid raft protein genetic 1 1 1 Negative Genetic
SSK22 YCR073C MAP kinase kinase kinase of HOG1 mitogen-activated signaling pathway genetic 1 1 1 Negative Genetic
UGA4 YDL210W GABA (gamma-aminobutyrate) permease genetic 1 1 1 Negative Genetic
YDR061W YDR061W Protein with similarity to ABC transporter family members genetic 1 1 1 Negative Genetic
SIP2 YGL208W One of three alternate beta subunits of the Snf1 kinase complex genetic 1 1 1 Negative Genetic
YAP3 YHL009C Basic leucine zipper (bZIP) transcription factor genetic 1 1 1 Negative Genetic
PPX1 YHR201C Exopolyphosphatase 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
YIL046W-A YIL046W-A Putative protein of unknown function genetic 1 1 1 Negative Genetic
YIL055C YIL055C Putative protein of unknown function genetic 1 1 1 Negative Genetic
YKL183C-A YKL183C-A Putative protein of unknown function genetic 1 1 1 Negative Genetic
OSH6 YKR003W Oxysterol-binding phosphatidylserine transferase genetic 1 1 1 Negative Genetic
SWC5 YBR231C Component of the SWR1 complex genetic 1 1 1 Negative Genetic
YBR238C YBR238C Mitochondrial membrane protein genetic 1 1 1 Negative Genetic
YDL157C YDL157C Putative protein of unknown function genetic 1 1 1 Negative Genetic
MRPL1 YDR116C Mitochondrial ribosomal protein of the large subunit genetic 1 1 1 Negative Genetic
MRX8 YDR336W Protein that associates with mitochondrial ribosome genetic 1 1 1 Negative Genetic
YGR050C YGR050C Protein of unknown function genetic 1 1 1 Negative Genetic
PHB2 YGR231C Subunit of the prohibitin complex (Phb1p-Phb2p) genetic 1 1 1 Negative Genetic
PHO86 YJL117W Endoplasmic reticulum (ER) resident protein genetic 1 1 1 Negative Genetic
TDA1 YMR291W Protein kinase of unknown cellular role genetic 1 1 1 Negative Genetic
PET127 YOR017W Protein with a role in 5'-end processing of mitochondrial RNAs genetic 1 1 1 Negative Genetic
MSC6 YOR354C Multicopy suppressor of HER2 involved in mitochondrial translation genetic 1 1 1 Negative Genetic
SRO7 YPR032W Effector of Rab GTPase Sec4p genetic 1 1 1 Negative Genetic
MAK3 YPR051W Catalytic subunit of the NatC type N-terminal acetyltransferase (NAT) genetic 1 1 1 Negative Genetic
NHP6A YPR052C High-mobility group (HMG) protein genetic 1 1 1 Negative Genetic
SPE3 YPR069C Spermidine synthase genetic 1 1 1 Negative Genetic
MED1 YPR070W Subunit of the RNA polymerase II mediator complex genetic 1 1 1 Negative Genetic
OPY2 YPR075C Integral membrane protein that acts as a membrane anchor for Ste50p genetic 1 1 1 Negative Genetic
YPR114W YPR114W Protein distantly similar to ceramide synthases, Lag1p and Lac1p genetic 1 1 1 Negative Genetic
VPS4 YPR173C AAA-ATPase involved in multivesicular body (MVB) protein sorting genetic 1 1 1 Negative Genetic
OPT2 YPR194C Oligopeptide transporter genetic 1 1 1 Negative Genetic
NTG2 YOL043C DNA N-glycosylase and apurinic/apyrimidinic (AP) lyase genetic 1 1 1 Negative Genetic
RQC2 YPL009C Component of the Ribosome Quality Control (RQC) complex genetic 1 1 1 Negative Genetic
YPL034W YPL034W Putative protein of unknown function genetic 1 1 1 Negative Genetic
GRC3 YLL035W Polynucleotide kinase present on rDNA genetic 1 1 1 Negative Genetic
BFR1 YOR198C Component of mRNP complexes associated with polyribosomes physical 1 1 1 Affinity Capture-RNA
ELO3 YLR372W Elongase genetic 1 1 1 Negative Genetic
CSG2 YBR036C Endoplasmic reticulum membrane protein genetic 1 1 1 Negative Genetic
ADY4 YLR227C Structural component of the meiotic outer plaque genetic 1 1 1 Negative Genetic
ATF1 YOR377W Alcohol acetyltransferase genetic 1 1 1 Phenotypic Suppression
BAP3 YDR046C Amino acid permease genetic 1 1 1 Positive Genetic
BUL2 YML111W Alpha-arrestin, component of the Rsp5p E3-ubiquitin ligase complex genetic 1 1 1 Positive Genetic
HTD2 YHR067W Mitochondrial 3-hydroxyacyl-thioester dehydratase genetic 1 1 1 Negative Genetic
COQ11 YLR290C Putative oxidoreductase, subunit of Coenzyme Q biosynthetic complexes genetic 1 1 1 Negative Genetic
ADE16 YLR028C Enzyme of 'de novo' purine biosynthesis genetic 1 1 1 Positive Genetic
ISR1 YPR106W Predicted protein kinase physical 1 1 1 Reconstituted Complex
COX7 YMR256C Subunit VII of cytochrome c oxidase (Complex IV) genetic 1 1 1 Negative Genetic
CYT2 YKL087C Cytochrome c1 heme lyase genetic 1 1 1 Negative Genetic
CDC1 YDR182W Putative mannose-ethanolamine phosphate phosphodiesterase genetic 1 1 1 Negative Genetic
AGP1 YCL025C Broad-specificity, low-affinity amino acid permease genetic 1 1 1 Negative Genetic
FLX1 YIL134W Mitochondrial flavin adenine dinucleotide transporter genetic 1 1 1 Negative Genetic
HMI1 YOL095C Mitochondrial inner membrane localized ATP-dependent DNA helicase genetic 1 1 1 Negative Genetic