Recombinant Human Stromal interaction molecule 1 protein (ab78681)

Overview

Description

  • Nature
    Recombinant
  • Source
    Escherichia coli
  • Amino Acid Sequence
    • Species
      Human
    • Sequence
      MADQLTEEQI AEFKEAFSLF DKDGDGTITT KELGTVMRSL GQNPTEAELQ DMINEVDADG NGTIDFPEFL TMMARKMKDT DSEEEIREAF RVFDKDGNGY ISAAELRHVM TNLGEKLTDE EVDEMIREAD IDGDGQVNYE EFVQMMTAKG SMLSHSHSEK ATGTSSGANS EESTAAEFCR IDKPLCHSED EKLSFEAVRN IHKLMDDDAN GDVDVEESDE FLREDLNYHD PTVKHSTFHG EDKLISVEDL WKAWKSSEVY NWTVDEVVQW LITYVELPQY EETFRKLQLS GHAMPRLAVT NTTMTGTVLK MTDRSHRQKL QLKALDTVLF GPPLLTRHNH LKD
      underlined sequence is the CaM tag.
    • Amino acids
      23 to 213

Specifications

Our Abpromise guarantee covers the use of ab78681 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

  • Applications

    SDS-PAGE

  • Purity
    > 90 % SDS-PAGE.
    ab78681 is purified using conventional chromatography techniques.
  • Form
    Liquid
  • Concentration information loading...

Preparation and Storage

  • Stability and Storage

    Shipped at 4°C. Upon delivery aliquot and store at -20°C. Avoid freeze / thaw cycles.

    Preservative: None
    Constituents: 20mM Tris, pH 7.5

General Info

  • Alternative names
    • D11S4896E
    • GOK
    • OTTHUMP00000164512
    • OTTHUMP00000229140
    • OTTHUMP00000230742
    • SIM
    • STIM 1
    • STIM1
    • Stim1 stromal interaction molecule 1
    • STIM1_HUMAN
    • STIM1L
    • Stromal interaction molecule 1
    see all
  • Function
    Plays a role in mediating Ca(2+) influx following depletion of intracellular Ca(2+) stores. Acts as Ca(2+) sensor in the endoplasmic reticulum via its EF-hand domain. Upon Ca(2+) depletion, translocates from the endoplasmic reticulum to the plasma membrane where it activates the Ca(2+) release-activated Ca(2+) (CRAC) channel subunit, TMEM142A/ORAI1.
  • Tissue specificity
    Ubiquitously expressed in various human primary cells and tumor cell lines.
  • Involvement in disease
    Defects in STIM1 are the cause of immune dysfunction with T-cell inactivation due to calcium entry defect type 2 (IDTICED2) [MIM:612783]. IDTICED2 is an immune disorder characterized by recurrent infections, impaired T-cell activation and proliferative response, decreased T-cell production of cytokines, lymphadenopathy, and normal lymphocytes counts and serum immunoglobulin levels. Additional features include thrombocytopenia, autoimmune hemolytic anemia, non-progressive myopathy, partial iris hypoplasia, hepatosplenomegaly and defective enamel dentition.
  • Sequence similarities
    Contains 1 EF-hand domain.
    Contains 1 SAM (sterile alpha motif) domain.
  • Domain
    The microtubule tip localization signal (MtLS) motif; mediates interaction with MAPRE1 and targeting to the growing microtubule plus ends.
  • Post-translational
    modifications
    Glycosylation is required for cell surface expression.
    Phosphorylated predominantly on Ser residues.
  • Cellular localization
    Cell membrane. Endoplasmic reticulum membrane. Cytoplasm > cytoskeleton. Translocates from the endoplasmic reticulum to the cell membrane in response to a depletion of intracellular calcium. Associated with the microtubule network at the growing distal tip of microtubules.
  • Information by UniProt

Images

  • 15% SDS-PAGE showing ab68681 at approximately 38kDa (3µg).

References

ab78681 has not yet been referenced specifically in any publications.

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