Recombinant Human SEPHS1 Protein (His Tag)
Product Specifications
Background
Selenophosphate synthetase 1 (SEPHS1) belongs to the selenophosphate synthase 1 family, Class II subfamily. It has four different isoforms by alternative splicing. Isoform 1 and isoform 2 are gradually expressed during the cell cycle until G2/M phase and then decreased, which Isoform 3 is gradually expressed during the cell cycle until S phase and then decreased. SEPHS1 can be activated by phosphate ions and by potassium ions. It can synthesize synthesizes selenophosphate from selenide and ATP. Selenophosphate is the selenium donor used to synthesize selenocysteine, which is co-translationally incorporated into selenoproteins at in-frame UGA codons.
Abbreviation
SEPHS1
Synonyms
SELD; SEPHS1; SPS; SPS1; Selenide; Selenium donor protein 1; Selenophosphate synthase 1; water dikinase 1
UniProt
P49903
Accession Number
P49903
Expression System
HEK293 Cells
Tag
C-His
Sequence
Met 1-Ser392
Field of Research
Cell biology
Endotoxin
< 1.0 EU per μg of the protein as determined by the LAL method.
Purity
> 95 % as determined by reducing SDS-PAGE.
Bioactivity
Not validated for activity
Reconstitution
Not Applicable
Shipping Conditions
This product is provided as liquid. It is shipped at frozen temperature with blue ice/gel packs. Upon receipt, store it immediately at < - 20°C.
Storage Conditions
Store at < -20°C, stable for 6 months. Please minimize freeze-thaw cycles.
Calculated Molecular Weight
43.9 kDa
Observed Molecular Weight
42 kDa
Formulation
Supplied as a 0.2 μm filtered solution of 25mM Tris-HCl, 100mM glycine, 10% Glycerol, pH 7.3.
Species
Human
Available Sizes
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