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After exposure to pheromones, osmotic stress, or nutrient starvation, Ste11p is phosphorylated by the protein kinase Ste20p (18). Ste11p and Ste20p are brought together through the action of the adaptor protein Ste50p, which tethers Ste11p to the plasma membrane via association with the Rho-like GTPase Cdc42p (19, 20, 21 and references therein). During osmoregulation, plasma membrane association of Ste11p is further mediated by direct interactions with the osmotic signal receptor Sho1p (reviewed in 22 and 7).

Once activated, Ste11p phosphorylates the correct target MAPKK, either Ste7p for the mating and filamentous growth pathways or Pbs2p for the osmosensing pathway, via interactions with the scaffolding proteins Ste5p and Pbs2p, respectively. (23, 24). During pheromone response, Ste5p tethers Ste11p, Ste7p, and either of the MAPKs Fus3p or Kss1p. During osmoregulation, Pbs2p brings together Sho1p, Ste11p, the MAPK Hog1p, and also serves as the MAPKK target (25, and reviewed in 26).Ste11p consists of a C-terminal kinase domain and three N-terminal regulatory domains: a sterile alpha motif (SAM) domain which binds to the Ste50p protein, a domain that interacts with Ste5p, followed by a catalytic-binding domain (CBD) that can bind and inhibit the activity of the C-terminus (reviewed in 8). Interaction of CBD with the catalytic domain is disrupted by the binding of Ste50p to the SAM domain and by Ste20p-mediated phosphorylation of serine and threonine residues in the CBD (9, 10). In response to pheromones, Ste11p is also regulated by ubiquitin-dependent protein degradation (13).

There are some discrepancies in STE11 literature as to the exact length of the protein since there are three in-frame ATGs in the STE11 coding sequence. Originally it was thought that translation begins at the first ATG, but it was later shown that the third ATG is the actual start codon (2).", "date_edited": "2007-03-06"}, "literature_overview": {"primary_count": 170, "additional_count": 208, "review_count": 124, "go_count": 9, "phenotype_count": 21, "disease_count": 0, "interaction_count": 137, "regulation_count": 5, "ptm_count": 7, "funComplement_count": 0, "htp_count": 23, "total_count": 571}, "disease_overview": {"manual_disease_terms": [], "htp_disease_terms": [], "computational_annotation_count": 0, "date_last_reviewed": null}, "ecnumbers": [{"display_name": "2.7.11.25", "link": "/ecnumber/EC:2.7.11.25"}], "URS_ID": null, "main_strain": "S288C", "genetic_position": 244.0, "regulation_overview": {"regulator_count": 2, "target_count": 6}, "reference_mapping": {"614364": 1, "639690": 2, "629005": 3, "615164": 4, "546313": 5, "398398": 6, "536065": 7, "534164": 8, "536648": 9, "606090": 10, "512954": 11, "591122": 12, "560867": 13, "627802": 14, "529049": 15, "588917": 16, "626628": 17, "622556": 18, "522699": 19, "524851": 20, "525940": 21, "551124": 22, "611615": 23, "617848": 24, "563732": 25, "553503": 26}, "history": [{"category": "Name", "history_type": "LSP", "note": "Name: STE11", "date_created": "2000-05-19", "references": [{"id": 614364, "display_name": "Chaleff DT and Tatchell K (1985)", "citation": "Chaleff DT and Tatchell K (1985) Molecular cloning and characterization of the STE7 and STE11 genes of Saccharomyces cerevisiae. Mol Cell Biol 5(8):1878-86", "pubmed_id": 3915783, "link": "/reference/S000051032", "year": 1985, "urls": [{"display_name": "DOI full text", "link": "http://dx.doi.org/10.1128/mcb.5.8.1878-1886.1985"}, {"display_name": "PMC full text", "link": "http://www.ncbi.nlm.nih.gov/pmc/articles/PMC366903/"}, {"display_name": "PubMed", "link": "http://www.ncbi.nlm.nih.gov/pubmed/3915783"}]}]}, {"category": "Annotation change", "history_type": "SEQUENCE", "note": "Annotation change: The start site of YLR362W was moved 63 nucleotides downstream.", "date_created": "2006-04-17", "references": []}, {"category": "Mapping", "history_type": "SEQUENCE", "note": "Mapping: Edition 15: Note that there are three in-frame ATGs in the STE11 sequence. Orginally it was thought that the first ATG was the start, but Errede and colleagues have shown that the third ATG is the actual start codon (see Rhodes, N., et al. (1990) STE11 is a protein kinase required for cell-type-specific transcription and signal transduction in yeast. Genes Dev 4:1862-1874).", "date_created": "1998-11-10", "references": [{"id": 542517, "display_name": "Cherry JM, et al. (1998)", "citation": "Cherry JM, et al. (1998) \"Genetic and Physical Maps of Saccharomyces cerevisiae (Edition 15)\". Pp. 414-420 in 1998 Yeast Genetics and Molecular Biology Meeting Program and Abstracts. Bethesda, MD: The Genetics Society of America", "pubmed_id": null, "link": "/reference/S000076263", "year": 1998, "urls": []}]}, {"category": "Proposed annotation change", "history_type": "SEQUENCE", "note": "Proposed annotation change: Data from Nagalakshmi et al. 2008 suggest that there is an in-frame AUG 21 codons upstream of the currently annotated AUG for either all or some of the transcripts of STE11/YLR362W. The currently annotated start codon was experimentally verified by Rhodes, N. et al. (1990).", "date_created": "2008-11-05", "references": [{"id": 488779, "display_name": "Nagalakshmi U, et al. (2008)", "citation": "Nagalakshmi U, et al. (2008) The transcriptional landscape of the yeast genome defined by RNA sequencing. Science 320(5881):1344-9", "pubmed_id": 18451266, "link": "/reference/S000126260", "year": 2008, "urls": [{"display_name": "DOI full text", "link": "http://dx.doi.org/10.1126/science.1158441"}, {"display_name": "PMC full text", "link": "http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2951732/"}, {"display_name": "PubMed", "link": "http://www.ncbi.nlm.nih.gov/pubmed/18451266"}, {"display_name": "Reference supplement", "link": "http://www.sciencemag.org/cgi/content/full/1158441/DC1"}]}, {"id": 639690, "display_name": "Rhodes N, et al. (1990)", "citation": "Rhodes N, et al. (1990) STE11 is a protein kinase required for cell-type-specific transcription and signal transduction in yeast. Genes Dev 4(11):1862-74", "pubmed_id": 2276621, "link": "/reference/S000042489", "year": 1990, "urls": [{"display_name": "DOI full text", "link": "http://dx.doi.org/10.1101/gad.4.11.1862"}, {"display_name": "PubMed", "link": "http://www.ncbi.nlm.nih.gov/pubmed/2276621"}]}]}], "complexes": []}, tabs: {"id": 1283852, "protein_tab": true, "interaction_tab": true, "summary_tab": true, "go_tab": true, "sequence_section": true, "expression_tab": true, "phenotype_tab": true, "literature_tab": true, "wiki_tab": false, "regulation_tab": true, "sequence_tab": true, "history_tab": true, "homology_tab": true, "disease_tab": false} }; STE11 | SGD

STE11 / YLR362W Overview


Standard Name
STE11 1
Systematic Name
YLR362W
SGD ID
SGD:S000004354
Feature Type
ORF , Verified
Description
Signal transducing MEK kinase; involved in pheromone response and pseudohyphal/invasive growth pathways where it phosphorylates Ste7p, and the high osmolarity response pathway, via phosphorylation of Pbs2p; regulated by Ste20p and Ste50p; protein abundance increases in response to DNA replication stress 2 3 4 5 6
Name Description
STErile 1
Comparative Info
Sequence Details

Sequence

The S. cerevisiae Reference Genome sequence is derived from laboratory strain S288C. Download DNA or protein sequence, view genomic context and coordinates. Click "Sequence Details" to view all sequence information for this locus, including that for other strains.


Protein Details

Protein

Basic sequence-derived (length, molecular weight, isoelectric point) and experimentally-determined (median abundance, median absolute deviation) protein information. Click "Protein Details" for further information about the protein such as half-life, abundance, domains, domains shared with other proteins, protein sequence retrieval for various strains, physico-chemical properties, protein modification sites, and external identifiers for the protein.


Summary
Protein abundance increases in response to DNA replication stress
Length (a.a.)
717
Mol. Weight (Da)
80718.8
Isoelectric Point
7.21
Median Abundance (molecules/cell)
1533 +/- 425
Half-life (hr)
7.4

Alleles

Curated mutant alleles for the specified gene, listed alphabetically. Click on the allele name to open the allele page. Click "SGD search" to view all alleles in search results.


View all STE11 alleles in SGD search

Gene Ontology Details

Gene Ontology

GO Annotations consist of four mandatory components: a gene product, a term from one of the three Gene Ontology (GO) controlled vocabularies (Molecular Function, Biological Process, and Cellular Component), a reference, and an evidence code. SGD has manually curated and high-throughput GO Annotations, both derived from the literature, as well as computational, or predicted, annotations. Click "Gene Ontology Details" to view all GO information and evidence for this locus as well as biological processes it shares with other genes.


Summary
MAP kinase kinase kinase that is involved in signal transduction during pseudohyphal growth, hyperosmotic response, filamentous growth, mating in response to pheromone, and the cell integrity pathway; also involved in regulation of RNA-mediated transposition and the cellular response to heat; localizes to the cytoplasm

View computational annotations

Molecular Function

Manually Curated

Cellular Component

Manually Curated
Phenotype Details

Phenotype

Phenotype annotations for a gene are curated single mutant phenotypes that require an observable (e.g., "cell shape"), a qualifier (e.g., "abnormal"), a mutant type (e.g., null), strain background, and a reference. In addition, annotations are classified as classical genetics or high-throughput (e.g., large scale survey, systematic mutation set). Whenever possible, allele information and additional details are provided. Click "Phenotype Details" to view all phenotype annotations and evidence for this locus as well as phenotypes it shares with other genes.


Summary
Non-essential gene in reference strain S288C; conditional mutant is pheromone resistant, being unable to undergo pheromone-induced cell cycle arrest or form shmoos, unable to produce mating pheromone Mfa1p/2p and is sterile; null mutant has strong pseudohyphal and invasive growth defects, is sensitive to hyperosmotic stress and hypersensitive to enzymatic treatment with zymolyase; constitutively active mutant has enhanced pseudohyphal growth, a vegetative growth defect and displays activation-related phosphorylation of MAPKs Fus3p and Kss1p in the absence of mating pheromone; heterozygous diploid null is haploinsufficient
Interaction Details

Interaction

Interaction annotations are curated by BioGRID and include physical or genetic interactions observed between at least two genes. An interaction annotation is composed of the interaction type, name of the interactor, assay type (e.g., Two-Hybrid), annotation type (e.g., manual or high-throughput), and a reference, as well as other experimental details. Click "Interaction Details" to view all interaction annotations and evidence for this locus, including an interaction visualization.


298 total interactions for 130 unique genes

Physical Interactions

  • Affinity Capture-MS: 25
  • Affinity Capture-RNA: 4
  • Affinity Capture-Western: 34
  • Biochemical Activity: 11
  • Co-crystal Structure: 3
  • Co-fractionation: 2
  • Co-purification: 2
  • FRET: 6
  • PCA: 11
  • Proximity Label-MS: 1
  • Reconstituted Complex: 34
  • Two-hybrid: 42

Genetic Interactions

  • Dosage Rescue: 16
  • Negative Genetic: 1
  • Phenotypic Enhancement: 20
  • Phenotypic Suppression: 56
  • Synthetic Growth Defect: 9
  • Synthetic Lethality: 7
  • Synthetic Rescue: 14
Regulation Details

Regulation

The number of putative Regulators (genes that regulate it) and Targets (genes it regulates) for the given locus, based on experimental evidence. This evidence includes data generated through high-throughput techniques. Click "Regulation Details" to view all regulation annotations, shared GO enrichment among regulation Targets, and a regulator/target diagram for the locus.


Regulators
2
Targets
6
Expression Details

Expression

Expression data are derived from records contained in the Gene Expression Omnibus (GEO), and are first log2 transformed and normalized. Referenced datasets may contain one or more condition(s), and as a result there may be a greater number of conditions than datasets represented in a single clickable histogram bar. The histogram division at 0.0 separates the down-regulated (green) conditions and datasets from those that are up-regulated (red). Click "Expression Details" to view all expression annotations and details for this locus, including a visualization of genes that share a similar expression pattern.


Summary Paragraph

A summary of the locus, written by SGD Biocurators following a thorough review of the literature. Links to gene names and curated GO terms are included within the Summary Paragraphs.


Last Updated: 2007-03-06

Literature Details

Literature

All manually curated literature for the specified gene, organized into topics according to their relevance to the gene (Primary Literature, Additional Literature, or Review). Click "Literature Details" to view all literature information for this locus, including shared literature between genes.


Primary
170
Additional
208
Reviews
124

Resources