STIL

SCL-interrupting locus protein is a protein that in humans is encoded by the STIL gene.[5][6]

STIL
Available structures
PDBOrtholog search: PDBe RCSB
Identifiers
AliasesSTIL, MCPH7, SIL, SCL/TAL1 interrupting locus, centriolar assembly protein, STIL centriolar assembly protein
External IDsOMIM: 181590 MGI: 107477 HomoloGene: 2283 GeneCards: STIL
Gene location (Human)
Chr.Chromosome 1 (human)[1]
Band1p33Start47,250,139 bp[1]
End47,314,147 bp[1]
RNA expression pattern
More reference expression data
Orthologs
SpeciesHumanMouse
Entrez

6491

20460

Ensembl

ENSG00000123473

ENSMUSG00000028718

UniProt

Q15468
Q7Z626

Q60988

RefSeq (mRNA)

NM_009185
NM_001304551
NM_001304553
NM_001304555
NM_001304559

RefSeq (protein)

NP_001291480
NP_001291482
NP_001291484
NP_001291488
NP_033211

Location (UCSC)Chr 1: 47.25 – 47.31 MbChr 4: 115 – 115.04 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse

This gene encodes a cytoplasmic protein implicated in regulation of the mitotic spindle checkpoint, a regulatory pathway that monitors chromosome segregation during cell division to ensure the proper distribution of chromosomes to daughter cells. The protein is phosphorylated in mitosis and in response to activation of the spindle checkpoint, and disappears when cells transition to G1 phase. It interacts with a mitotic regulator, and its expression is required to efficiently activate the spindle checkpoint.

It is proposed to regulate Cdc2 kinase activity during spindle checkpoint arrest. Chromosomal deletions that fuse this gene and the adjacent locus commonly occur in T cell leukemias, and are thought to arise through illegitimate recombination events. Multiple transcript variants encoding different isoforms have been found for this gene.[6]

Homozygous mutations in the STIL gene cause primary microcephaly (small brain) in humans.

References

  1. GRCh38: Ensembl release 89: ENSG00000123473 - Ensembl, May 2017
  2. GRCm38: Ensembl release 89: ENSMUSG00000028718 - Ensembl, May 2017
  3. "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  5. Brown L, Cheng JT, Chen Q, Siciliano MJ, Crist W, Buchanan G, Baer R (Nov 1990). "Site-specific recombination of the tal-1 gene is a common occurrence in human T cell leukemia". EMBO J. 9 (10): 3343–51. doi:10.1002/j.1460-2075.1990.tb07535.x. PMC 552072. PMID 2209547.
  6. "Entrez Gene: STIL SCL/TAL1 interrupting locus".

Further reading

     Kumar A, Girimaji SC, Duvvari MR, Blanton SH (2009): Mutations in STIL,    
     encoding a pericentriolar and centrosomal protein, cause primary   
     microcephaly. American Journal of Human Genetics 84:286-290.
  • Overview of all the structural information available in the PDB for UniProt: Q15468 (SCL-interrupting locus protein) at the PDBe-KB.
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