Standard name Systematic name Name description Description
LCB3 YJL134W Long-chain base-1-phosphate phosphatase Long-chain base-1-phosphate phosphatase; specific for dihydrosphingosine-1-phosphate, regulates ceramide and long-chain base phosphates levels, involved in incorporation of exogenous long chain bases in sphingolipids; LCB3 has a paralog, YSR3, that arose from the whole genome duplication
Visualize the interactome of LCB3
Links to external databases:
SGD   |   KEGG   |  

Cell cycle phase and timing of transcription peak

Cell cycle phase Time (min)
G1(P) 19

CYCLoPs localization & abundance

WT1 WT2 WT3
no data no data no data

GFP localization & abundance

GFP localization GFP abundance
no data technical problem

GO term count

Metabolism Cell cycle Cell division Signal transduction DNA replication
LCB3 1 0 0 1 0

Enzyme information

Catalyzed reactions in Yeast8
r_1004 (sphingoid base-phosphate phosphatase (phytosphingosine 1-phosphate)), r_1005 (sphingoid base-phosphate phosphatase (sphinganine 1-phosphatase))

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
DPL1 YDR294C Dihydrosphingosine phosphate lyase genetic 13 4 10 Phenotypic Enhancement, Synthetic Lethality, Phenotypic Enhancement, Negative Genetic, Negative Genetic, Synthetic Lethality, Phenotypic Suppression, Negative Genetic, Negative Genetic, Negative Genetic, Negative Genetic, Negative Genetic, Negative Genetic
SUR2 YDR297W Sphinganine C4-hydroxylase genetic 10 2 8 Synthetic Growth Defect, Negative Genetic, Negative Genetic, Negative Genetic, Synthetic Growth Defect, Negative Genetic, Negative Genetic, Negative Genetic, Negative Genetic, Negative Genetic
ELO3 YLR372W Elongase genetic 7 2 6 Synthetic Lethality, Negative Genetic, Negative Genetic, Negative Genetic, Negative Genetic, Negative Genetic, Negative Genetic
SCS7 YMR272C Sphingolipid alpha-hydroxylase genetic 7 1 6 Positive Genetic, Positive Genetic, Positive Genetic, Positive Genetic, Positive Genetic, Positive Genetic, Positive Genetic
ORM2 YLR350W Protein that mediates sphingolipid homeostasis genetic 6 3 4 Positive Genetic, Positive Genetic, Synthetic Rescue, Phenotypic Suppression, Positive Genetic, Phenotypic Suppression
LCB1 YMR296C Component of serine palmitoyltransferase genetic 5 2 5 Phenotypic Enhancement, Phenotypic Enhancement, Negative Genetic, Negative Genetic, Negative Genetic
FKH1 YIL131C Forkhead family transcription factor regulation 4 3 4 chromatin immunoprecipitation-chip evidence, chromatin immunoprecipitation- exonuclease evidence, chromatin immunoprecipitation-chip evidence, ChEC-Seq experiments
LCB2 YDR062W Component of serine palmitoyltransferase genetic 4 1 3 Negative Genetic, Negative Genetic, Negative Genetic, Negative Genetic
PMR1 YGL167C High affinity Ca2+/Mn2+ P-type ATPase genetic 4 1 3 Negative Genetic, Negative Genetic, Negative Genetic, Negative Genetic
ELO2 YCR034W Fatty acid elongase, involved in sphingolipid biosynthesis genetic 3 1 3 Negative Genetic, Negative Genetic, Negative Genetic
CSG2 YBR036C Endoplasmic reticulum membrane protein genetic 3 1 3 Positive Genetic, Positive Genetic, Positive Genetic
PSD1 YNL169C Phosphatidylserine decarboxylase of the mitochondrial inner membrane genetic 3 1 3 Positive Genetic, Positive Genetic, Positive Genetic
ORM1 YGR038W Protein that mediates sphingolipid homeostasis genetic 3 2 2 Synthetic Rescue, Phenotypic Suppression, Phenotypic Suppression
GET2 YER083C Subunit of the GET complex genetic 3 1 2 Positive Genetic, Positive Genetic, Positive Genetic
ARV1 YLR242C Cortical ER protein genetic 3 1 2 Negative Genetic, Negative Genetic, Negative Genetic
ILM1 YJR118C Protein of unknown function genetic 3 1 2 Positive Genetic, Positive Genetic, Positive Genetic
TSC3 YBR058C-A Protein that stimulates the activity of serine palmitoyltransferase genetic 3 1 2 Negative Genetic, Negative Genetic, Negative Genetic
ICE2 YIL090W Integral ER membrane protein with type-III transmembrane domains genetic 3 1 2 Positive Genetic, Positive Genetic, Positive Genetic
FKH2 YNL068C Forkhead family transcription factor regulation 2 2 2 chromatin immunoprecipitation-chip evidence, ChEC-Seq experiments
RAP1 YNL216W Essential DNA-binding transcription regulator that binds many loci regulation 2 2 2 chromatin immunoprecipitation-chip evidence, DNA to cDNA expression microarray evidence
CKA2 YOR061W Alpha' catalytic subunit of casein kinase 2 (CK2) genetic 2 2 2 Synthetic Lethality, Negative Genetic
YSR3 YKR053C Dihydrosphingosine 1-phosphate phosphatase genetic 2 2 2 Phenotypic Enhancement, Synthetic Growth Defect
RVS161 YCR009C Amphiphysin-like lipid raft protein genetic 2 2 2 Positive Genetic, Negative Genetic
ACH1 YBL015W Protein with CoA transferase activity genetic 2 1 2 Negative Genetic, Negative Genetic
ERG25 YGR060W C-4 methyl sterol oxidase genetic 2 1 2 Positive Genetic, Positive Genetic
MPT5 YGL178W mRNA-binding protein of the PUF family physical 2 1 2 Affinity Capture-RNA, Affinity Capture-RNA
TSC13 YDL015C Enoyl reductase genetic 2 1 2 Negative Genetic, Negative Genetic
TSC11 YER093C Subunit of TORC2 (Tor2p-Lst8p-Avo1-Avo2-Tsc11p-Bit61p) genetic 2 1 2 Negative Genetic, Negative Genetic
PAH1 YMR165C Mg2+-dependent phosphatidate (PA) phosphatase genetic 2 1 2 Negative Genetic, Negative Genetic
SRO7 YPR032W Effector of Rab GTPase Sec4p genetic 2 1 2 Positive Genetic, Positive Genetic
LIP1 YMR298W Ceramide synthase subunit genetic 2 1 2 Negative Genetic, Negative Genetic
GWT1 YJL091C Protein involved in the inositol acylation of GlcN-PI genetic 2 1 1 Negative Genetic, Negative Genetic
ATG27 YJL178C Type I membrane protein involved in autophagy and the Cvt pathway genetic 2 1 1 Negative Genetic, Negative Genetic
JEM1 YJL073W DnaJ-like chaperone required for nuclear membrane fusion during mating genetic 2 1 1 Negative Genetic, Negative Genetic
CHO2 YGR157W Phosphatidylethanolamine methyltransferase (PEMT) genetic 2 1 1 Negative Genetic, Negative Genetic
PHS1 YJL097W Essential 3-hydroxyacyl-CoA dehydratase of the ER membrane genetic 2 1 1 Negative Genetic, Negative Genetic
PMA1 YGL008C Plasma membrane P2-type H+-ATPase genetic 2 1 1 Negative Genetic, Negative Genetic
SEC66 YBR171W Non-essential subunit of Sec63 complex genetic 2 1 1 Negative Genetic, Negative Genetic
SSH1 YBR283C Subunit of the Ssh1 translocon complex genetic 2 1 1 Negative Genetic, Negative Genetic
PHO90 YJL198W Low-affinity phosphate transporter genetic 2 1 1 Negative Genetic, Negative Genetic
VPS54 YDR027C Component of the GARP (Golgi-associated retrograde protein) complex genetic 2 1 1 Synthetic Rescue, Synthetic Rescue
YLR407W YLR407W Putative protein of unknown function genetic 2 1 1 Negative Genetic, Negative Genetic
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
GCR2 YNL199C Transcriptional activator of genes involved in glycolysis regulation 1 1 1 DNA to cDNA expression microarray evidence
STP1 YDR463W Transcription factor regulation 1 1 1 chromatin immunoprecipitation-chip evidence
BAS1 YKR099W Myb-related transcription factor regulation 1 1 1 DNA to cDNA expression microarray evidence
SIN3 YOL004W Component of both the Rpd3S and Rpd3L histone deacetylase complexes regulation 1 1 1 DNA to cDNA expression microarray evidence
CFT2 YLR115W Subunit of the mRNA cleavage and polyadenlylation factor (CPF) genetic 1 1 1 Negative Genetic
HDA1 YNL021W Catalytic subunit of class II HDA1 histone deacetylase complex genetic 1 1 1 Negative Genetic
AVO1 YOL078W Component of the membrane-bound TORC2 complex genetic 1 1 1 Negative Genetic
DHH1 YDL160C Cytoplasmic DEAD-box helicase and mRNA decapping activator physical 1 1 1 Affinity Capture-RNA
END3 YNL084C EH domain-containing protein involved in endocytosis genetic 1 1 1 Negative Genetic
HSC82 YMR186W Cytoplasmic chaperone of the Hsp90 family genetic 1 1 1 Synthetic Growth Defect
HSP82 YPL240C Hsp90 chaperone genetic 1 1 1 Synthetic Growth Defect
ILV1 YER086W Threonine deaminase, catalyzes first step in isoleucine biosynthesis genetic 1 1 1 Negative Genetic
BZZ1 YHR114W SH3 domain protein implicated in regulating actin polymerization physical 1 1 1 Two-hybrid
CDC13 YDL220C Single stranded DNA-binding protein found at TG1-3 telomere G-tails genetic 1 1 1 Synthetic Rescue
GAS1 YMR307W Beta-1,3-glucanosyltransferase required for cell wall assembly genetic 1 1 1 Positive Genetic
GND1 YHR183W 6-phosphogluconate dehydrogenase (decarboxylating) genetic 1 1 1 Negative Genetic
HYP2 YEL034W Translation elongation factor eIF-5A genetic 1 1 1 Positive Genetic
ELM1 YKL048C Serine/threonine protein kinase genetic 1 1 1 Negative Genetic
BIR1 YJR089W Subunit of chromosomal passenger complex (CPC) genetic 1 1 1 Positive Genetic
DHR2 YKL078W Predominantly nucleolar DEAH-box ATP-dependent RNA helicase genetic 1 1 1 Positive Genetic
ATP5 YDR298C Subunit 5 of the stator stalk of mitochondrial F1F0 ATP synthase genetic 1 1 1 Negative Genetic
HOF1 YMR032W F-BAR protein that regulates actin cytoskeleton organization genetic 1 1 1 Negative Genetic
LAC1 YKL008C Ceramide synthase component genetic 1 1 1 Negative Genetic
BFR1 YOR198C Component of mRNP complexes associated with polyribosomes physical 1 1 1 Affinity Capture-RNA
CLA4 YNL298W Cdc42p-activated signal transducing kinase genetic 1 1 1 Negative Genetic
ERG2 YMR202W C-8 sterol isomerase genetic 1 1 1 Positive Genetic
KCS1 YDR017C Inositol hexakisphosphate and inositol heptakisphosphate kinase genetic 1 1 1 Negative Genetic
BUL2 YML111W Alpha-arrestin, component of the Rsp5p E3-ubiquitin ligase complex genetic 1 1 1 Negative Genetic
GEM1 YAL048C Outer mitochondrial membrane GTPase, subunit of the ERMES complex genetic 1 1 1 Negative Genetic
LAG1 YHL003C Ceramide synthase component genetic 1 1 1 Negative Genetic
HUR1 YGL168W Protein with a role in DNA repair genetic 1 1 1 Negative Genetic
GPI13 YLL031C ER membrane localized phosphoryltransferase genetic 1 1 1 Positive Genetic
PEX29 YDR479C ER-resident protein involved in peroxisomal biogenesis physical 1 1 1 Two-hybrid
USA1 YML029W Scaffold subunit of the Hrd1p ubiquitin ligase physical 1 1 1 Two-hybrid
YPK1 YKL126W S/T protein kinase physical 1 1 1 Biochemical Activity
SVF1 YDR346C Protein with a potential role in cell survival pathways genetic 1 1 1 Synthetic Rescue
SRP101 YDR292C Signal recognition particle (SRP) receptor alpha subunit genetic 1 1 1 Negative Genetic
OPI3 YJR073C Methylene-fatty-acyl-phospholipid synthase genetic 1 1 1 Negative Genetic
SEC22 YLR268W R-SNARE protein genetic 1 1 1 Positive Genetic
RIA1 YNL163C Cytoplasmic GTPase/eEF2-like factor involved in ribosomal biogenesis genetic 1 1 1 Positive Genetic
LCB4 YOR171C Sphingoid long-chain base kinase genetic 1 1 1 Dosage Growth Defect
SLG1 YOR008C Sensor-transducer of the stress-activated PKC1-MPK1 kinase pathway genetic 1 1 1 Negative Genetic
ROM2 YLR371W Guanine nucleotide exchange factor (GEF) for Rho1p and Rho2p genetic 1 1 1 Negative Genetic
PNC1 YGL037C Nicotinamidase that converts nicotinamide to nicotinic acid genetic 1 1 1 Positive Genetic
PHO87 YCR037C Low-affinity inorganic phosphate (Pi) transporter genetic 1 1 1 Positive Genetic
PDX3 YBR035C Pyridoxine (pyridoxamine) phosphate oxidase genetic 1 1 1 Negative Genetic
SAC1 YKL212W Phosphatidylinositol phosphate phosphatase genetic 1 1 1 Positive Genetic
VPS1 YKR001C Dynamin-like GTPase required for vacuolar sorting genetic 1 1 1 Negative Genetic
UPS1 YLR193C Phosphatidic acid transfer protein genetic 1 1 1 Positive Genetic
TAF1 YGR274C TFIID subunit, involved in RNA pol II transcription initiation genetic 1 1 1 Synthetic Lethality
SMT3 YDR510W Ubiquitin-like protein of the SUMO family genetic 1 1 1 Synthetic Growth Defect
SAC7 YDR389W GTPase activating protein (GAP) for Rho1p genetic 1 1 1 Negative Genetic
NHX1 YDR456W Na+/H+ and K+/H+ exchanger genetic 1 1 1 Positive Genetic
TLG2 YOL018C Syntaxin-like t-SNARE genetic 1 1 1 Positive Genetic
SND3 YBR106W Involved in SRP-independent protein targeting to the ER genetic 1 1 1 Negative Genetic
SEC20 YDR498C Membrane glycoprotein v-SNARE genetic 1 1 1 Positive Genetic
MPE1 YKL059C Subunit of CPF cleavage and polyadenylation factor and E3 Ub-ligase genetic 1 1 1 Positive Genetic
SEH1 YGL100W Subunit of the Nup84 nuclear pore and SEACAT subcomplexes genetic 1 1 1 Positive Genetic
TUS1 YLR425W Guanine nucleotide exchange factor (GEF) that modulates Rho1p activity genetic 1 1 1 Positive Genetic
MON2 YNL297C Protein with a role in endocytosis and vacuole integrity genetic 1 1 1 Positive Genetic
TSC10 YBR265W 3-ketosphinganine reductase genetic 1 1 1 Negative Genetic
TOR2 YKL203C PIK-related protein kinase and rapamycin target genetic 1 1 1 Negative Genetic
OST4 YDL232W Subunit of the oligosaccharyltransferase complex of the ER lumen genetic 1 1 1 Negative Genetic
PKH3 YDR466W Protein kinase with similarity to mammalian PDK1 and yeast Pkh1p/Phk2p genetic 1 1 1 Negative Genetic
VMA3 YEL027W Proteolipid subunit c of the V0 domain of vacuolar H(+)-ATPase genetic 1 1 1 Negative Genetic
OCA5 YHL029C Cytoplasmic protein required for replication of Brome mosaic virus genetic 1 1 1 Negative Genetic
PPE1 YHR075C Protein with carboxyl methyl esterase activity genetic 1 1 1 Negative Genetic
SFB3 YHR098C Component of the Sec23p-Sfb3p heterodimer of the COPII vesicle coat genetic 1 1 1 Negative Genetic
STE50 YCL032W Adaptor protein for various signaling pathways genetic 1 1 1 Negative Genetic
YCR090C YCR090C Putative protein of unknown function genetic 1 1 1 Negative Genetic
RPL8B YLL045C Ribosomal 60S subunit protein L8A genetic 1 1 1 Negative Genetic
PET8 YNL003C S-adenosylmethionine transporter of the mitochondrial inner membrane genetic 1 1 1 Negative Genetic
YNL140C YNL140C Protein of unknown function genetic 1 1 1 Negative Genetic
PDE2 YOR360C High-affinity cyclic AMP phosphodiesterase genetic 1 1 1 Negative Genetic
NIP100 YPL174C Large subunit of the dynactin complex genetic 1 1 1 Negative Genetic
VPS4 YPR173C AAA-ATPase involved in multivesicular body (MVB) protein sorting genetic 1 1 1 Negative Genetic
TMH11 YJR085C Mitochondrial protein of unknown function genetic 1 1 1 Negative Genetic
SND2 YLR065C Protein involved in SRP-independent targeting of substrates to the ER genetic 1 1 1 Negative Genetic
SLA2 YNL243W Adaptor protein that links actin to clathrin and endocytosis genetic 1 1 1 Negative Genetic
PHM7 YOL084W Protein of unknown function genetic 1 1 1 Negative Genetic
STI1 YOR027W Evolutionarily-conserved Hsp90 cochaperone genetic 1 1 1 Negative Genetic
ISC1 YER019W Inositol phosphosphingolipid phospholipase C genetic 1 1 1 Positive Genetic
CHO1 YER026C Phosphatidylserine synthase genetic 1 1 1 Synthetic Rescue
EDC1 YGL222C RNA-binding protein that activates mRNA decapping directly genetic 1 1 1 Negative Genetic
GPM3 YOL056W Nonfunctional homolog of Gpm1p phosphoglycerate mutase genetic 1 1 1 Negative Genetic