Name :
Recombinant Human PCSK1 Protein (His Tag)
Biological Activity :
Background :
Neuroendocrine convertase 1, also known as Prohormone convertase 1, Proprotein convertase 1, PCSK1 and NEC1, is an enzyme which belongs to the peptidase S8 family and Furin subfamily. PCSK1 is an enzyme that performs the proteolytic cleavage of prohormones to their intermediate (or sometimes completely cleaved) forms. It is present only in neuroendocrine cells such as brain, pituitary and adrenal, and most often cleaves after a pair of basic residues within prohormones but can occasionally cleave after a single arginine. It binds to a protein known as proSAAS, which also represents its endogenous inhibitor. PCSK1 is involved in the processing of hormone and other protein precursors at sites comprised of pairs of basic amino acid residues. PCSK1 substrates include POMC, renin, enkephalin, dynorphin, somatostatin and insulin. Defects in PCSK1 are the cause of proprotein convertase 1 deficiency (PC1 deficiency). PC1 deficiency is characterized by obesity, hypogonadism, hypoadrenalism, reactive hypoglycemia as well as marked small-intestinal absorptive dysfunction. It is due to impaired processing of prohormones.
Biological Activity :
Testing in progress
Expression Host :
Human
Source :
HEK293 Cells
Tag :
Protein Accession No. :
NP_000430.3
NCBI Gene ID :
Synonyms :
Synonyms :
proprotein convertase subtilisin/kexin type 1
Amino Acid Sequence :
Molecular Weight :
The purified recombinant human PCSK1 consists of 518 amino acids after removal of the pro peptide due to autocatalytic processing, corresponding to the active form (aa 111-617), and has a predicted molecular mass of 57.4 kDa. In SDS-PAGE under reducing conditions, the apparent molecular mass of the active rh PCSK1 is approximately 66 kDa due to glycosylation.
Purity :
> 95 % as determined by SDS-PAGE
State of Matter :
Product Concentration :
Storage and Stability :
Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃. Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Endotoxin Level :
< 1.0 EU per μg of the protein as determined by the LAL method
Protein Construction :
A DNA sequence encoding the human PCSK1 (NP_000430.3) (Met 1-Arg 617) was fused with a polyhistidine tag at the C-terminus.
Buffer Solution :
Lyophilized from sterile 25mM Tris, 150mM NaCl, pH 7.5Please contact us for any concerns or special requirements. Normally 5 % – 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization. Please refer to the specific buffer information in the hardcopy of datasheet.
Shipping :
In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Redissolution :
A hardcopy of datasheet with reconstitution instructions is sent along with the products. Please refer to it for detailed information.
Synonyms :
BMIQ12 Protein, Human; NEC1 Protein, Human; PC1 Protein, Human; PC3 Protein, Human; SPC3 Protein, Human PCSK1 背景信息 Neuroendocrine convertase 1, also known as Prohormone convertase 1, Proprotein convertase 1, PCSK1 and NEC1, is an enzyme which belongs to the peptidase S8 family and Furin subfamily. PCSK1 is an enzyme that performs the proteolytic cleavage of prohormones to their intermediate (or sometimes completely cleaved) forms. It is present only in neuroendocrine cells such as brain, pituitary and adrenal, and most often cleaves after a pair of basic residues within prohormones but can occasionally cleave after a single arginine. It binds to a protein known as proSAAS, which also represents its endogenous inhibitor. PCSK1 is involved in the processing of hormone and other protein precursors at sites comprised of pairs of basic amino acid residues. PCSK1 substrates include POMC, renin, enkephalin, dynorphin, somatostatin and insulin. Defects in PCSK1 are the cause of proprotein convertase 1 deficiency (PC1 deficiency). PC1 deficiency is characterized by obesity, hypogonadism, hypoadrenalism, reactive hypoglycemia as well as marked small-intestinal absorptive dysfunction. It is due to impaired processing of prohormones.
References & Citations :
Jackson RS. et al., 2003, J. Clin. Invest. 112:1550-60. Farooqi I.S. et al., 2007, J. Clin. Endocrinol. Metab. 92: 3369-73. Benzinou,M. et al., 2008,Nat Genet. 40 (8):943-5. Benzinou M. et al., 2008, Nat. Genet. 40:943-5. Renström F, et al., 2009, Hum. Mol. Genet. 18 (8): 1489-96.
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