wee1 (SPCC18B5.03)

Gene Standard Namewee1 Characterisation Statuspublished
Systematic IDSPCC18B5.03 Feature Typeprotein coding
Synonyms Name Description
ProductM phase inhibitor protein kinase Wee1 Product Size877aa, 96.26 kDa
Genomic Location Chromosome III, 721788-725835 (4048nt); CDS:722234-724867 (2634nt)

Ensembl Gene Location
GO Molecular Function
Term NameCount
ATP binding558
Annotation ExtensionEvidenceWith/FromReference
metal ion binding747
Annotation ExtensionEvidenceWith/FromReference
protein binding848
Annotation ExtensionEvidenceWith/FromReference
protein serine/threonine kinase activity112
Annotation ExtensionEvidenceWith/FromReference
protein tyrosine kinase activity9
Annotation ExtensionEvidenceWith/FromReference
GO Biological Process
Term NameCount
cytokinesis after mitosis checkpoint3
Annotation ExtensionEvidenceWith/FromReference
mitotic cell cycle checkpoint62
Annotation ExtensionEvidenceWith/FromReference
mitotic DNA damage checkpoint31
Annotation ExtensionEvidenceWith/FromReference
negative regulation of G2/M transition of mitotic cell cycle39
Annotation ExtensionEvidenceWith/FromReference
negative regulation of protein kinase activity by regulation of protein phosphorylation1
Annotation ExtensionEvidenceWith/FromReference
peptidyl-serine autophosphorylation4
Annotation ExtensionEvidenceWith/FromReference
peptidyl-tyrosine autophosphorylation7
Annotation ExtensionEvidenceWith/FromReference
regulation of cell size6
Annotation ExtensionEvidenceWith/FromReference
GO Cellular Component
Term NameCount
medial cortical node10
Annotation ExtensionEvidenceWith/FromReference
  • localization requires cdr2
mitotic spindle pole body216
Annotation ExtensionEvidenceWith/FromReference
Annotation ExtensionEvidenceWith/FromReference
Annotation ExtensionEvidenceWith/FromReference
Fission Yeast Phenotype Ontology
Gene Deletion Viability: Viable

Population Phenotype

Term NameAlleleExpressionCount
decreased bipolar indexwee1ΔNull27
decreased cell population growth during glucose limitationwee1ΔNull8
decreased cell population growth on glucose carbon sourcewee1ΔNull154
increased monopolar indexwee1ΔNull35
increased septation indexwee1-50Not specified39
inviable vegetative cell populationwee1+ (wild type)Overexpression1427
sensitive to hydroxyurea518
expressivity FYPO_EXT:0000002wee1ΔNull
sensitive to ionizing radiationwee1-50Not specified58
sensitive to methyl methanesulfonate227
expressivity FYPO_EXT:0000003wee1-50Not specified
sensitive to miconazolenot recorded (wild type)37
viable vegetative cell populationwee1-50Not specified3781

Cell Phenotype

Term NameAlleleExpressionCount
abnormal cell cycle regulation during cellular response to gamma radiationwee1-50Not specified6
abnormal regulation of DNA replication initiationwee1-50Not specified13
abolished protein kinase activityK596L (K596L)Not specified17
cell cycle arrest phenotypewee1-50Not specified167
elongated vegetative cellwee1+ (wild type)Overexpression703
increased RNA level during nitrogen starvation19
affecting ste11wee1-50Not specified
increased RNA level during vegetative growth171
affecting ste11wee1-50Not specified
inviable elongated vegetative cellwee1+ (wild type)Overexpression405
inviable vegetative cellwee1-50Overexpression1268
mitotic G1/S transition delaywee1-50Not specified10
normal cell cycle regulation during cellular response to hydroxyureawee1-50Not specified12
normal nucleus:cytoplasm ratiowee1-50Endogenous6
normal protein localization to actomyosin contractile ring14
affecting nod1wee1-50Not specified
normal protein localization to medial cortex10
affecting nod1wee1-50Not specified
normal protein phosphorylation34
affecting cdc2wee1-50Not specified
normal S-phase DNA damage checkpointwee1-50Not specified17
normal vegetative cell sizewee1-50Not specified429
viable elongated vegetative cellwee1-50Overexpression231
viable small vegetative cellwee-115Not specified38
wee1-1Not specified
wee1-50Not specified
wee1-6Not specified
wee1-8Not specified
penetrance FYPO_EXT:0000001wee1ΔNull
Target Of
FYPO affected by mutation in cdr1 NIM1 family serine/threonine protein kinase Cdr1/Nim1 PMID:9135149
FYPO affected by mutation in cds1 replication checkpoint kinase Cds1 PMID:19357077
FYPO affected by mutation in dnt1 nucleolar protein Dnt1 PMID:24006256
FYPO affected by mutation in rad3 ATR checkpoint kinase Rad3 PMID:17189249
FYPO affected by mutation in rpn12 19S proteasome regulatory subunit Rpn12 PMID:24006256
FYPO affected by mutation in skp1 SCF ubiquitin ligase complex subunit Skp1 PMID:24006256
FYPO affected by mutation in tel2 Tel2/Rad-5/Clk-2 family protein Tel2 PMID:17189249
GO localized by cdr2 serine/threonine protein kinase Cdr2 PMID:19474789
GO substrate of cdr1 NIM1 family serine/threonine protein kinase Cdr1/Nim1 PMID:7681363
GO substrate of cdr2 serine/threonine protein kinase Cdr2 PMID:9843572
GO substrate of cds1 replication checkpoint kinase Cds1 PMID:19357077
GO substrate of pyp1 tyrosine phosphatase Pyp1 PMID:8256510
GO substrate of wee1 M phase inhibitor protein kinase Wee1 PMID:1825699
GO substrate of wee1 M phase inhibitor protein kinase Wee1 PMID:8256510
Ensembl transcript structure with UTRs, exons and introns


Exon Start End


Region Coordinates Reference
Protein Features

Graphical View

Ensembl protein image with mapped locations of structural domains

Protein Families and Domains

Feature ID Database InterPro Description Start End Count
PF00069 Pfam IPR000719 Protein kinase domain 567 837 109
SM00220 SMART IPR002290 Serine/threonine/dual specificity protein kinase, catalytic domain 566 840 107
PS00108 Prosite Patterns IPR008271 Serine/threonine-protein kinase, active site 689 701 97
PS00107 Prosite Patterns IPR017441 Protein kinase, ATP binding site 572 597 73
PS50011 Prosite Profiles IPR000719 Protein kinase domain 566 843 110
PTHR11042:SF73 HMMPANTHER 66 856 2
PTHR11042 HMMPANTHER 66 856 5
1.10.510.10 Gene3D 646 836 112 Gene3D 563 645 111
SSF56112 SuperFamily IPR011009 Protein kinase-like domain 545 836 127

View domain organization at Pfam

Protein Properties

Ave. residue weight 109.76 Da
Charge 28.00
Isoelectric point 10.00
Molecular weight 96.26 kDa
Number of residues 877

Protein Modifications

Term NameResidueCount
O-phospho-L-serine 1670
added by wee1
Annotation ExtensionEvidenceResidueReference
IDA PMID:1372994
added by wee1 IDA PMID:1825699
added by wee1 IDA PMID:8256510
O-phospho-L-threonine 693
Annotation ExtensionEvidenceResidueReference
IDA PMID:1372994
O4'-phospho-L-tyrosine 85
added by wee1
removed by pyp1
Annotation ExtensionEvidenceResidueReference
IDA PMID:1372994
removed by pyp1 IDA PMID:8256510
added by wee1 IDA PMID:8256510
added by wee1 IDA PMID:1825699
phosphorylated residue 1922
Annotation ExtensionEvidenceResidueReference
IDA PMID:19547744
Gene Expression

Qualitative Gene Expression

RNA levelincreased during GO:0034599expression microarray evidencePMID:12529438

Quantitative Gene Expression

RNA Level

Molecules/Cell (average)ExtensionConditionScaleEvidenceReference
2.8during GO:0072690PECO:0000005,
population wideexperimental evidencePMID:23101633
1.2during cell quiescence following G1 arrest due to nitrogen limitationPECO:0000005,
population wideexperimental evidencePMID:23101633
trichostatin A delays mitotic entry in cdc25-22 mutant PMID:197238881
trichostatin A partially suppresses wee1delta sensitivity to UV and hydroxyurea PMID:197238881
Species Distribution
predominantly single copy (one to one)3092
conserved in fungi4604
conserved in eukaryotes4516
conserved in metazoa3432
conserved in vertebrates3407
conserved in eukaryotes only2503

Manually curated orthologous groups


Orthologs in Compara

Physical Interactions

Source: BioGRID

View all interactions in esyN
View the HCPIN interactions in esyN

Gene Product Evidence Reference
skb1type II protein arginine N-methyltransferase Skb1 Two-hybridPMID:23615447
Affinity Capture-Western
hsp90Hsp90 chaperone Affinity Capture-WesternPMID:7813446
Affinity Capture-WesternPMID:11298745
chk1Chk1 protein kinase Biochemical ActivityPMID:9034337
cdc2cyclin-dependent protein kinase Cdk1/Cdc2 Biochemical ActivityPMID:7982971
Biochemical ActivityPMID:1850698
Biochemical ActivityPMID:1372994
cds1replication checkpoint kinase Cds1 Biochemical ActivityPMID:21099360
Affinity Capture-WesternPMID:9572736
Biochemical ActivityPMID:11606526
cdr1NIM1 family serine/threonine protein kinase Cdr1/Nim1 Biochemical ActivityPMID:8515817
Biochemical ActivityPMID:8515818
pyp1tyrosine phosphatase Pyp1 Biochemical ActivityPMID:8256510
cdr2serine/threonine protein kinase Cdr2 Biochemical ActivityPMID:9843572
pyp2tyrosine phosphatase Pyp2 Biochemical ActivityPMID:8256510
wos2p23 homolog, predicted co-chaperone Wos2 Affinity Capture-WesternPMID:11298745
suc1cyclin-dependent protein kinase regulatory subunit Suc1 Co-purificationPMID:1372994
Genetic Interactions

Source: BioGRID

View these interactions in esyN

Gene Product Evidence Reference
res2MBF transcription factor complex subunit Res2 Synthetic RescuePMID:11029045
ams2cell cycle regulated GATA-type transcription factor Ams2 Synthetic LethalityPMID:18077559
wis1MAP kinase kinase Wis1 Dosage RescuePMID:1756736
Phenotypic Suppression
pcp1pericentrin Pcp1 Synthetic Growth DefectPMID:21233285
Phenotypic EnhancementPMID:19942852
cig2G1/S-specific B-type cyclin Cig2 Synthetic RescuePMID:8455610
Phenotypic Suppression
Phenotypic SuppressionPMID:8972180
hob1BAR adaptor protein Hob1 Phenotypic SuppressionPMID:12569356
klp6kinesin-like protein Klp6 Phenotypic EnhancementPMID:11739790
liz1pantothenate transmembrane transporter Liz1 Phenotypic EnhancementPMID:9950674
spo5meiotic RNA-binding protein 1 Phenotypic SuppressionPMID:24506453
slp1mitotic spindle checkpoint component/ APC activator Slp1 Synthetic RescuePMID:11058086
Phenotypic SuppressionPMID:9001228
Synthetic Rescue
cdr2serine/threonine protein kinase Cdr2 Synthetic RescuePMID:9843572
Phenotypic Suppression
Synthetic RescuePMID:2245912
cdr1NIM1 family serine/threonine protein kinase Cdr1/Nim1 Synthetic RescuePMID:16816416
Synthetic RescuePMID:2245912
pyp1tyrosine phosphatase Pyp1 Phenotypic SuppressionPMID:1448087
Synthetic RescuePMID:1464319
zfs1CCCH tandem zinc finger protein, human Tristetraprolin homolog Zfs1, involved in mRNA catabolism Phenotypic EnhancementPMID:10462526
SPAC29A4.02ctranslation elongation factor EF-1 gamma subunit Phenotypic SuppressionPMID:14985109
tor1phosphatidylinositol kinase Tor1 Synthetic LethalityPMID:19546237
Phenotypic Suppression
atf1transcription factor, Atf-CREB family Atf1 Phenotypic SuppressionPMID:9135083
Dosage Growth DefectPMID:24728197
mik1mitotic inhibitor kinase Mik1 Synthetic LethalityPMID:11809834
Synthetic Growth DefectPMID:11029045
Phenotypic EnhancementPMID:10947840
Synthetic LethalityPMID:1706223
Dosage Rescue
Synthetic LethalityPMID:9398669
bgs11,3-beta-glucan synthase catalytic subunit Bgs1 Phenotypic SuppressionPMID:10704373
Phenotypic EnhancementPMID:10503548
sds21serine/threonine protein phosphatase PP1 subfamily, Sds21 Dosage RescuePMID:1944266
clp1Cdc14-related protein phosphatase Clp1/Flp1 Phenotypic SuppressionPMID:11683392
Phenotypic Enhancement
dis33'-5' exoribonuclease subunit Dis3 Dosage RescuePMID:1944266
rad3ATR checkpoint kinase Rad3 Synthetic Growth DefectPMID:1427071
Synthetic LethalityPMID:9398669
mor2morphogenesis protein Mor2 Synthetic LethalityPMID:12234926
rum1CDK inhibitor Rum1 Phenotypic EnhancementPMID:9013342
Dosage RescuePMID:9571240
ssp1Ca2+/calmodulin-dependent (CaMMK)-like protein kinase Ssp1 Phenotypic SuppressionPMID:10233158
cdc2cyclin-dependent protein kinase Cdk1/Cdc2 Synthetic Growth DefectPMID:11029045
Synthetic RescuePMID:24861625
Dosage RescuePMID:1427071
Phenotypic EnhancementPMID:9013342
Synthetic LethalityPMID:2474475
Phenotypic EnhancementPMID:3116001
Synthetic LethalityPMID:9188094
sty1MAP kinase Sty1 Synthetic RescuePMID:7501024
hhp1serine/threonine protein kinase Hhp1 Synthetic RescuePMID:24861625
orc1origin recognition complex subunit Orc1 Phenotypic EnhancementPMID:12186947
cdc16two-component GAP Cdc16 Phenotypic SuppressionPMID:20805322
rad1checkpoint clamp complex protein Rad1 Synthetic Growth DefectPMID:1427071
Synthetic LethalityPMID:8590806
swr1SNF2 family ATP-dependent DNA helicase Swr1 Dosage RescuePMID:9571240
spt8SAGA complex subunit Spt8 Phenotypic EnhancementPMID:10392445
slm9hira protein Slm9 Synthetic Growth DefectPMID:9843572
Phenotypic SuppressionPMID:10835386
crb2DNA repair protein Rad9 homolog, Rhp9 Synthetic Growth DefectPMID:20679488
fin1serine/threonine protein kinase, NIMA related Fin1 Phenotypic SuppressionPMID:12065422
pal1membrane associated protein Pal1 Synthetic LethalityPMID:15975911
mcs4response regulator Mcs4 Synthetic RescuePMID:9383051
hus5SUMO conjugating enzyme E2 Hus5 Synthetic Growth DefectPMID:1427071
Synthetic Growth DefectPMID:7768995
med8mediator complex subunit Med8 Phenotypic EnhancementPMID:10392445
mcl1DNA polymerase alpha accessory factor Mcl1 Synthetic Growth DefectPMID:12455694
skb1type II protein arginine N-methyltransferase Skb1 Dosage LethalityPMID:9843966
Phenotypic SuppressionPMID:23615447
rad17RFC related checkpoint protein Rad17 Synthetic Growth DefectPMID:1427071
ini1RING finger-like protein Ini1 Phenotypic SuppressionPMID:14762117
rqh1RecQ type DNA helicase Rqh1 Synthetic Growth DefectPMID:1427071
rad31SUMO activating enzyme E1-type Rad31 Phenotypic EnhancementPMID:9092625
srw1fizzy-related CDK inhibitor Srw1 Synthetic LethalityPMID:9571240
Synthetic LethalityPMID:9398669
Dosage Rescue
klp5kinesin-like protein Klp5 Phenotypic EnhancementPMID:11739790
chk1Chk1 protein kinase Phenotypic EnhancementPMID:10637286
Synthetic LethalityPMID:8497322
Synthetic LethalityPMID:11270571
Synthetic RescuePMID:16816416
win1MAP kinase kinase kinase Win1 Phenotypic SuppressionPMID:3442828
Phenotypic Enhancement
pof3F-box protein Pof3 Phenotypic SuppressionPMID:11809834
pab1protein phosphatase regulatory subunit Pab1 Phenotypic SuppressionPMID:20876564
dis2serine/threonine protein phosphatase PP1 subfamily, Dis2 Dosage RescuePMID:1944266
cdc14SIN component Cdc14 Synthetic RescuePMID:8334307
Dosage RescuePMID:24006256
fkh2forkhead transcription factor Fkh2 Phenotypic SuppressionPMID:22451489
mis3rRNA processing protein Mis3 Phenotypic EnhancementPMID:10947840
dbr1RNA lariat debranching enzyme Dbr1 Synthetic Growth DefectPMID:16049013
pyp2tyrosine phosphatase Pyp2 Phenotypic SuppressionPMID:1448087
pin1peptidyl-prolyl cis-trans isomerase Pin1 Synthetic Growth DefectPMID:11707530
reb1RNA polymerase I transcription termination factor/ RNA polymerase II transcription factor Reb1 Synthetic LethalityPMID:21118960
Phenotypic Enhancement
prp12U2 snRNP-associated protein Sap130 Synthetic Growth DefectPMID:16049013
cdc25M phase inducer tyrosine phosphatase Cdc25 Phenotypic SuppressionPMID:9473044
Synthetic RescuePMID:7501024
Synthetic RescuePMID:11085271
Synthetic RescuePMID:2245912
Phenotypic SuppressionPMID:3796591
Synthetic Growth DefectPMID:23333317
Phenotypic SuppressionPMID:9013342
Phenotypic Enhancement
Phenotypic EnhancementPMID:10233158
Synthetic RescuePMID:9843572
Phenotypic SuppressionPMID:3442828
Phenotypic EnhancementPMID:11531413
Synthetic RescuePMID:7217015
cdc28ATP-dependent RNA helicase Cdc28 Synthetic Growth DefectPMID:16049013
yox1MBF complex corepressor Yox1 Phenotypic SuppressionPMID:21132016
ran1serine/threonine protein kinase Ran1 Phenotypic SuppressionPMID:10521402
SPAC144.17c6-phosphofructo-2-kinase (predicted) Phenotypic SuppressionPMID:17900713
cdc13G2/M B-type cyclin Cdc13 Dosage LethalityPMID:9398669
hus1checkpoint clamp complex protein Hus1 Synthetic Growth DefectPMID:1427071
sep1forkhead transcription factor Sep1 Phenotypic EnhancementPMID:9473044
Phenotypic EnhancementPMID:10392445
pub1HECT-type ubiquitin-protein ligase E3 Pub1 Synthetic LethalityPMID:8635463
cdc3profilin Phenotypic SuppressionPMID:20805322
ppa2serine/threonine protein phosphatase Ppa2 Synthetic LethalityPMID:8389306
shk1PAK-related kinase Shk1 Dosage LethalityPMID:9843966
External References
Database Identifier Description
NBRP SPCC18B5.03 Fission yeast strain database, National BioResource Project (Japan)
YOGY SPCC18B5.03 Retrieval of eukaryotic orthologs (Bähler Lab)
BioGrid SPCC18B5.03 BioGRID Interaction Datasets
Expression Viewer SPCC18B5.03 Cell Cycle Expression Profile (Bähler Lab)
Expression Viewer SPCC18B5.03 Meiosis/Sporulation Expression Profies (Bähler Lab)
Expression Viewer SPCC18B5.03 Pheromone response/mating expression profiles (Bähler Lab)
Expression Viewer SPCC18B5.03 Environmental stress expression profiles (Bähler Lab)
Pomb(A) SPCC18B5.03 Polyadenylation Viewer (Gullerova lab)
pombeTV SPCC18B5.03 Transcriptome Viewer (Bähler Lab)
Cyclebase SPCC18B5.03 Cell Cycle Data
GEO SPCC18B5.03 GEO profiles
PInt SPCC18B5.03 Protein-Protein Interaction Predictor (Bähler Lab)
PeptideAtlas SPCC18B5.03 Peptides identified in tandem mass spectrometry proteomics experiments
SYSGRO SPCC18B5.03 Fission yeast phenotypic data & analysis
SPD / RIKEN47/47A06Orfeome Localization Data
UniProtKB/SwissProtP07527Mitosis inhibitor protein kinase wee1
ModBaseP07527Database of comparative protein structure models
STRINGP07527Network display of known and predicted interactions and functional associations
RefSeq PeptideNP_587933M phase inhibitor protein kinase Wee1
RefSeq mRNANM_001022924972h- M phase inhibitor protein kinase Wee1 (wee1), mRNA
European Nucleotide ArchiveAAA35354.1ENA Protein Mapping
European Nucleotide ArchiveBAA87204.1ENA Protein Mapping
European Nucleotide ArchiveCAB52150.1ENA Protein Mapping
UniParcUPI0000138EF6UniProt Archive

Literature for wee1

Search: Europe PMC or PubMed

Release Version: PomBase:25_48 - 10 Jan 2015