Recombinant Human Potassium-Transporting Atpase Alpha Chain 1 (ATP4A) Protein (His&Myc)

Name: Recombinant Human Potassium-Transporting Atpase Alpha Chain 1 (ATP4A) Protein (His&Myc)
Brand: Beta LifeScience
SKU: BLC-00614P
Availability: InStock

Greater than 85% as determined by SDS-PAGE.

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

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Product Overview

Description	Recombinant Human Potassium-Transporting Atpase Alpha Chain 1 (ATP4A) Protein (His&Myc) is produced by our E.coli expression system. This is a protein fragment.
Purity	Greater than 85% as determined by SDS-PAGE.
Uniprotkb	P20648
Target Symbol	ATP4A
Synonyms	(Gastric H(+)(+)(Proton pump)
Species	Homo sapiens (Human)
Expression System	E.coli
Tag	N-10His&C-Myc
Target Protein Sequence	TVTVCLSLTAKRLASKNCVVKNLEAVETLGSTSVICSDKTGTLTQNRMTVSHLWFDNHIHTADTTEDQSGQTFDQSSETWRALCRVLTLCNRAAFKSGQDAVPVPKRIVIGDASETALLKFSELTLGNAMGYRDRFPKVCEIPFNSTNKFQLSIHTLEDPRDPRHLLVMKGAPERVLERCSSILIKGQELPLDEQWREAFQTAYLSLGGLGERVLGFCQLYLNEKDYPPGYAFDVEAMNFPSSGLCFAGLVSMIDPPRATVPDAVLKCRTAGIRVIMVTGDHPITAKAIAASVGIISEGSETVEDIAARLRVPVDQVNRKDARACVINGMQLKDMDPSELVEALRTHPEMVFARTSPQQKLVIVESCQRLGAIVAVTGDGVNDSPALKKADIGVAMGIAGSDAAKNAADMILLDDNFASIVTGVEQGRLIFDNL
Expression Range	350-783aa
Protein Length	Partial
Mol. Weight	54.6 kDa
Research Area	Others
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	The catalytic subunit of the gastric H(+)/K(+) ATPase pump which transports H(+) ions in exchange for K(+) ions across the apical membrane of parietal cells. Uses ATP as an energy source to pump H(+) ions to the gastric lumen while transporting K(+) ion from the lumen into the cell. Remarkably generates a million-fold proton gradient across the gastric parietal cell membrane, acidifying the gastric juice down to pH 1. Within a transport cycle, the transfer of a H(+) ion across the membrane is coupled to ATP hydrolysis and is associated with a transient phosphorylation that shifts the pump conformation from inward-facing (E1) to outward-facing state (E2). The release of the H(+) ion in the stomach lumen is followed by binding of K(+) ion converting the pump conformation back to the E1 state.
Subcellular Location	Apical cell membrane; Multi-pass membrane protein.
Protein Families	Cation transport ATPase (P-type) (TC 3.A.3) family, Type IIC subfamily
Database References	HGNC: 819 OMIM: 137216 KEGG: hsa:495 STRING: 9606.ENSP00000262623 UniGene: PMID: 28401620 Heterozygous mutations in the ATP4A and PTH1R genes were identified in a family with type I gastric neuroendocrine tumors plus hypothyroidism and rheumatoid arthritis PMID: 28474257 the generation and characterization of a knockin mouse model for the ATP4a(R703C) mutation to better understand the tumorigenesis process. PMID: 27491072 In conclusion, patients homozygous for an inactivating ATP4A mutation develop gastric ECL-cell carcinoids in their 3rd or 4th decade. PMID: 27150581 Homozygous missense mutation in the 14th exon of the ATP4A gene (c.2107C>T) is responsible for an atypical familial type I gastric neuroendocrine tumour. PMID: 25678551 ATP4A are found in nearly one-third of children with type 1 diabetes and more common among females. In this cross-sectional analysis, Hp infection was not associated with autoimmunity against parietal cells. PMID: 24773566 Downregulation of ATP4A gene is associated with gastric cancer. PMID: 23317218 Gastric H+/K+-ATPase activities are not associated with H pylori status in patients with chronic gastritis. PMID: 15962365 study concludes that IL-1beta upregulates HKalpha transcription by inducing Sp1 binding to HKalpha Sp1 & NF-kappaB sites & that Helicobacter pylori perturbation of HKalpha expression is independent of Sp1-mediated basal HKalpha transcription PMID: 18772363 cigarette smoke extract may cause an increase in the amount and activity of H,K-ATPase and smokers' susceptibility to development of peptic ulcer PMID: 19705497

FAQs

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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.