Recombinant Human Proprotein Convertase Subtilisin/Kexin Type 6 (PCSK6) Protein (His)

Name: Recombinant Human Proprotein Convertase Subtilisin/Kexin Type 6 (PCSK6) Protein (His)
Brand: Beta LifeScience
SKU: BLC-06380P
Availability: InStock

Greater than 90% as determined by SDS-PAGE.

Collections: All products, High-quality recombinant proteins, Other recombinant proteins

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Product Overview

Description	Recombinant Human Proprotein Convertase Subtilisin/Kexin Type 6 (PCSK6) Protein (His) is produced by our E.coli expression system. This is a protein fragment.
Purity	Greater than 90% as determined by SDS-PAGE.
Uniprotkb	P29122
Target Symbol	PCSK6
Species	Homo sapiens (Human)
Expression System	E.coli
Tag	C-6His
Target Protein Sequence	REECIHCAKNFHFHDWKCVPACGEGFYPEEMPGLPHKVCRRCDENCLSCAGSSRNCSRCKTGFTQLGTSCITNHTCSNADETFCEMVKSNRLCERKLFIQFCCRTCLLAG
Expression Range	860-969aa
Protein Length	Partial
Mol. Weight	19.4 kDa
Research Area	Neuroscience
Form	Liquid or Lyophilized powder
Buffer	Liquid form: default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. Lyophilized powder form: the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Reconstitution	Briefly centrifuged the vial prior to opening to bring the contents to the bottom. Reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL. It is recommended to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. The default final concentration of glycerol is 50%.
Storage	1. Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. 2. Avoid repeated freeze-thaw cycles. 3. Store working aliquots at 4°C for up to one week. 4. In general, protein in liquid form is stable for up to 6 months at -20°C/-80°C. Protein in lyophilized powder form is stable for up to 12 months at -20°C/-80°C.
Notes	Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.

Target Details

Target Function	Serine endoprotease that processes various proproteins by cleavage at paired basic amino acids, recognizing the RXXX[KR]R consensus motif. Likely functions in the constitutive secretory pathway, with unique restricted distribution in both neuroendocrine and non-neuroendocrine tissues.
Subcellular Location	[Isoform PACE4A-I]: Secreted.; [Isoform PACE4A-II]: Secreted.; [Isoform PACE4C]: Endoplasmic reticulum. Note=Not secreted, remains probably in zymogen form in endoplasmic reticulum.; [Isoform PACE4CS]: Endoplasmic reticulum. Note=Not secreted, remains probably in zymogen form in endoplasmic reticulum.; [Isoform PACE4E-I]: Endomembrane system; Peripheral membrane protein. Note=Retained intracellularly probably through a hydrophobic cluster in their C-terminus.; [Isoform PACE4E-II]: Endomembrane system; Peripheral membrane protein. Note=Retained intracellularly probably through a hydrophobic cluster in their C-terminus.; [Isoform PACE4B]: Secreted.
Protein Families	Peptidase S8 family
Database References	HGNC: 8569 OMIM: 167405 KEGG: hsa:5046 STRING: 9606.ENSP00000305056 UniGene: PMID: 29180304 Our results suggest that PACE4 is a promising target for estrogen-receptor-positive breast cancer. PMID: 28347547 PACE4 pre-mRNA undergoes DNA methylation-sensitive alternative splicing of its terminal exon 3' untranslated region, generating an oncogenic, C-terminally modified isoform (PACE4-altCT). PMID: 28993410 Results provide evidence for the role of PCSK6 as candidate for involvement in the biological mechanisms that underlie the establishment of normal brain lateralization and thus handedness and support the assumption that the degree of handedness, instead the direction, may be the more appropriate indicator of cerebral organization. PMID: 23826248 Variants in non-coding sequences of PCSK6 gene is associated with handedness. PMID: 26908617 These results implicate PCSK6 in mediation of brain developmental pathways that jointly impact upon handedness, autism and aspects of schizotypy PMID: 26921480 In summary, our study implicated a gene network involving Tbx5, Osr1 and Pcsk6 interaction in second heart field for atrial septation, providing a molecular framework for understanding the role of Tbx5 in congenital heart disease ontogeny. PMID: 26744331 PACE4 regulates apoptosis in human prostate cancer cells via endoplasmic reticulum stress and mitochondrial signaling pathways PMID: 26604689 PACE4-knockdown associated growth deficiencies were established on the knockdown HepG2, Huh7, and HT1080 cells as well as the antiproliferative effects of the multi-Leu peptide supporting the growth capabilities of PACE4 in cancer cells. PMID: 26114115 identified a PCSK6 mutation that impaired corin activation activity in a hypertensive patient PMID: 26259032 PCSK6 is upregulated in the synovial tissues of patients with rheumatoid arthritis and has a genetic effect on the risk of rheumatoid arthritis. Inhibition of PCSK6 may play a protective role in the development of rheumatoid arthritis. PMID: 25433529 PCSK6 regulated by LH inhibits the apoptosis of human granulosa cells via activin A and TGFbeta2. PMID: 24860148 miR-124 exhibits antiproliferative and antiaggressive effects on prostate cancer cells through PACE4 pathway. PMID: 24913567 PCSK6 was detected at increased levels in the fibrous cap of symptomatic carotid plaques, possibly associated with key processes in plaque rupture such as inflammation and extracellular matrix remodeling. PMID: 23908247 PACE4 has a distinct role in maintaining proliferation and tumor progression in prostate cancer. PMID: 23226097 A variant in PCSK6 is strongly associated with protection against pain in knee osteoarthritis. PMID: 22440827 PCSK6 as a novel glioma invasion-associated candidate gene that likely contribute to the invasive phenotype of malignant gliomas. PMID: 21722156 In a genome-wide association study of handedness in patients with dyslexia, PCSK6 was the most highly associated marker. PMID: 21051773 a unique SPC family protease that anchors heparan sulfate proteoglycans at the extracellular matrix; distribution in human placenta PMID: 12535616 reduction of PACE4 expression in ovarian cancer cells is caused, in part, by DNA hypermethylation and histone deacetylation PMID: 12805404 These results suggest that PACE4 expression is down-regulated by Hash-2/Mash-2 in both human and rat placenta and that many bioactive proteins might be regulated by PACE4 activity. PMID: 14561729 RB1CC1 and PACE4 genes might be the DNA targets of sodium arsenite treatment in human lymphoblastoid cells. PMID: 17707572 upregulation of the expression of PACE4 by E2F PMID: 17825503 Overexpression in a stable manner of the prosegment ppPACE4 in MDA-MB-231 breast cancer cells resulted in increased matrix metalloproteinase (MMP)-9 (but not MMP-2) activity and a reduced secretion of tissue inhibitor of metalloproteinase 1 (TIMP-1). PMID: 17909005 PACE4 is a proprotein convertase responsible for activation of aggrecanases in osteoarthritic and cytokine-stimulated cartilage; posttranslational activation of ADAMTS-4 and ADAMTS-5 in the extracellular milieu of cartilage results in aggrecan degradation PMID: 18671934 Data show that Cripto binds the proprotein convertases Furin and PACE4 and localizes Nodal processing at the cell surface. PMID: 18772886 PC1 and PC2 were primarily expressed in neurons, whereas PACE4 appeared to be largely restricted to glia. Thus, elevated PACE4 may modulate the bioactivity of proteins secreted in the ONH and retina. PMID: 19339735

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Proteins are sensitive to heat, and freeze-drying can preserve the activity of the majority of proteins. It improves protein stability, extends storage time, and reduces shipping costs. However, freeze-drying can also lead to the loss of the active portion of the protein and cause aggregation and denaturation issues. Nonetheless, these adverse effects can be minimized by incorporating protective agents such as stabilizers, additives, and excipients, and by carefully controlling various lyophilization conditions.

Commonly used protectant include saccharides, polyols, polymers, surfactants, some proteins and amino acids etc. We usually add 8% (mass ratio by volume) of trehalose and mannitol as lyoprotectant. Trehalose can significantly prevent the alter of the protein secondary structure, the extension and aggregation of proteins during freeze-drying process; mannitol is also a universal applied protectant and fillers, which can reduce the aggregation of certain proteins after lyophilization.

Our protein products do not contain carrier protein or other additives (such as bovine serum albumin (BSA), human serum albumin (HSA) and sucrose, etc., and when lyophilized with the solution with the lowest salt content, they often cannot form A white grid structure, but a small amount of protein is deposited in the tube during the freeze-drying process, forming a thin or invisible transparent protein layer.

Reminder: Before opening the tube cap, we recommend that you quickly centrifuge for 20-30 seconds in a small centrifuge, so that the protein attached to the tube cap or the tube wall can be aggregated at the bottom of the tube. Our quality control procedures ensure that each tube contains the correct amount of protein, and although sometimes you can't see the protein powder, the amount of protein in the tube is still very precise.

To learn more about how to properly dissolve the lyophilized recombinant protein, please visit Lyophilization FAQs.