SMC1 / YFL008W Overview


Standard Name
SMC1 1
Systematic Name
YFL008W
SGD ID
SGD:S000001886
Aliases
CHL10 16
Feature Type
ORF , Verified
Description
Subunit of the multiprotein cohesin complex; essential protein involved in chromosome segregation and in double-strand DNA break repair; SMC chromosomal ATPase family member, binds DNA with a preference for DNA with secondary structure 1 2 3 5
Name Description
Stability of MiniChromosomes 4
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.


Summary
SMC1 is located on the left arm of chromosome VI between replication origin ARS603.5 and BLM10 proteasome activator; coding sequence is 3678 nucleotides long with 20 SNPs, 6 of which cause amino acid polymorphisms
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
Smc1p is 1225 amino acids long, shorter-lived, low in abundance; ubiquitinylated on K100, sumoylated on 16 lysines, phosphorylated on 10 residues
Length (a.a.)
1225
Mol. Weight (Da)
141270.5
Isoelectric Point
6.39
Median Abundance (molecules/cell)
3618 +/- 1091
Half-life (hr)
8.6

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. Click "YeastMine" to view all alleles in YeastMine.


View all SMC1 alleles in SGD search | YeastMine

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
Subunit of the nuclear mitotic cohesin complex that binds double-stranded DNA and has ATPase activity; involved in mitotic sister chromatid cohesion and segregation as well as double-strand break repair

View computational annotations

Biological Process

Manually Curated

Cellular Component

Manually Curated

Complex

Macromolecular complex annotations are imported from the Complex Portal. These annotations have been derived from physical molecular interaction evidence extracted from the literature and cross-referenced in the entry, or by curator inference from information on homologs in closely related species or by inference from scientific background.


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
Essential gene; heterozygous null is haploinsufficient, which results in chromosome instability; heterozygous null is sensitive to rapamycin; overexpression leads to increased forward mutation rate; reduced function alleles display greater rate of minichromosome nondisjunction, absent sporulation, decreased competitive fitness; conditional alleles show loss of sister chromatid cohesion, defects in rRNA processing, heat sensitivity, chromosome instability, decreased viability, sensitivity to Congo Red and Calcofluor White
Disease Details

Disease

Disease Annotations consist of three mandatory components: a gene product, a term from the Disease Ontology (DO) controlled vocabulary and an evidence code. SGD provides manually curated DO Annotations derived from the literature. Click "Disease Details" to view all Disease information and evidence for this locus as well as diseases it shares with other genes.


Summary
SMC1 is homologous to human SMC1A and has been used to study mutations found in patients with Cornelia de Lange Syndrome

Manually Curated

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.


Summary
Smc1p interacts physically with proteins involved in chromosome segregation; SMC1 interacts genetically with genes involved in mitotic cell cycle

845 total interactions for 471 unique genes

Physical Interactions

  • Affinity Capture-MS: 75
  • Affinity Capture-RNA: 6
  • Affinity Capture-Western: 42
  • Co-crystal Structure: 3
  • Co-fractionation: 1
  • Co-localization: 1
  • Co-purification: 9
  • FRET: 4
  • Reconstituted Complex: 16
  • Two-hybrid: 30

Genetic Interactions

  • Dosage Lethality: 3
  • Dosage Rescue: 2
  • Negative Genetic: 548
  • Phenotypic Enhancement: 2
  • Phenotypic Suppression: 3
  • Positive Genetic: 73
  • Synthetic Growth Defect: 9
  • Synthetic Lethality: 11
  • Synthetic Rescue: 7
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.


Summary
SMC1 promoter is bound by Gcn4p, and by Fkh1p in response to starvation; SMC1 transcription is regulated by Sfp1p in response to stress
Regulators
3
Targets
0
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: 2000-05-03

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
83
Additional
72
Reviews
83

Resources