Recombinant Human Receptor-Type Tyrosine-Protein Phosphatase N2 (PTPRN2) Protein (His)

Beta LifeScience SKU/CAT #: BLC-10357P
Greater than 90% as determined by SDS-PAGE.
Greater than 90% as determined by SDS-PAGE.

Recombinant Human Receptor-Type Tyrosine-Protein Phosphatase N2 (PTPRN2) Protein (His)

Beta LifeScience SKU/CAT #: BLC-10357P
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Product Overview

Description Recombinant Human Receptor-Type Tyrosine-Protein Phosphatase N2 (PTPRN2) Protein (His) is produced by our Yeast expression system. This is a extracellular protein.
Purity Greater than 90% as determined by SDS-PAGE.
Uniprotkb Q92932
Target Symbol PTPRN2
Synonyms IA 2beta; IA2beta; IAR; IAR/receptor like protein tyrosine phosphatase; ICAAR; Islet cell autoantigen related protein; Islet cell autoantigen-related protein; Phogrin; Protein tyrosine phosphatase receptor pi; Protein tyrosine phosphatase, receptor type, N polypeptide 2; PTPR2_HUMAN; Ptprn2; PTPRP; R PTP N2; R-PTP-N2; Receptor-type tyrosine-protein phosphatase N2; Tyrosine phosphatase IA 2 beta
Species Homo sapiens (Human)
Expression System Yeast
Tag N-6His
Target Protein Sequence AAPSSVPRGRQLPGRLGCLLEEGLCGASEACVNDGVFGRCQKVPAMDFYRYEVSPVALQRLRVALQKLSGTGFTWQDDYTQYVMDQELADLPKTYLRRPEASSPARPSKHSVGSERRYSREGGAALANALRRHLPFLEALSQAPASDVLARTHTAQDRPPAEGDDRFSESILTYVAHTSALTYPPGSRTQLREDLLPRTLGQLQPDELSPKVDSGVDRHHLMAALSAYAAQRPPAPPGEGSLEPQYLLRAPSRMPRPLLAPAAPQKWPSPLGDSEDPSSTGDGARIHTLLKDLQRQPAEVRGLSGLELDGMAELMAGLMQGVDHGVARGSPGRAALGESGEQADGPKATLRGDSFPDDGVQDDDDRLYQEVHRLSATLGGLLQDHGSRLLPGALPFARPLDMERKKSEHPESSLSSEEETAGVENVKSQTYSKDLLGQQPHSEPGAAAFGELQNQMPGPSKEEQSLPAGAQEALSDGLQLEVQPSEEEARGYIVTDRDPLRPEEGRRLVEDVARLLQVPSSAFADVEVLGPAVTFKVSANVQNVTTEDVEKATVDNKDKLEETSGLKILQTGVGSKSKLKFLPPQAEQEDSTKF
Expression Range 22-615aa
Protein Length Extracellular Domain
Mol. Weight 66.1kDa
Research Area Immunology
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 Plays a role in vesicle-mediated secretory processes. Required for normal accumulation of secretory vesicles in hippocampus, pituitary and pancreatic islets. Required for the accumulation of normal levels of insulin-containing vesicles and preventing their degradation. Plays a role in insulin secretion in response to glucose stimuli. Required for normal accumulation of the neurotransmitters norepinephrine, dopamine and serotonin in the brain. In females, but not in males, required for normal accumulation and secretion of pituitary hormones, such as luteinizing hormone (LH) and follicle-stimulating hormone (FSH). Required to maintain normal levels of renin expression and renin release. May regulate catalytic active protein-tyrosine phosphatases such as PTPRA through dimerization. Has phosphatidylinositol phosphatase activity; the PIPase activity is involved in its ability to regulate insulin secretion. Can dephosphorylate phosphatidylinositol 4,5-biphosphate (PI(4,5)P2), phosphatidylinositol 5-phosphate and phosphatidylinositol 3-phosphate. Regulates PI(4,5)P2 level in the plasma membrane and localization of cofilin at the plasma membrane and thus is indirectly involved in regulation of actin dynamics related to cell migration and metastasis; upon hydrolyzation of PI(4,5)P2 cofilin is released from the plasma membrane and acts in the cytoplasm in severing F-actin filaments.
Subcellular Location Cytoplasmic vesicle, secretory vesicle membrane; Single-pass type I membrane protein. Cytoplasmic vesicle, secretory vesicle, synaptic vesicle membrane; Single-pass type I membrane protein.; [IA-2beta60]: Cytoplasmic vesicle, secretory vesicle membrane.
Protein Families Protein-tyrosine phosphatase family, Receptor class 8 subfamily
Database References

HGNC: 9677

OMIM: 601698

KEGG: hsa:5799

STRING: 9606.ENSP00000374069

UniGene: PMID: 27489308

  • Haplotype-dependent allele-specific methylation of PTPRN2 gene is associated with neurological disorders. PMID: 27153397
  • Reduction in plasma membrane PI(4,5)P2 abundance by PTPRN2 and PLCbeta1 releases the PI(4,5)P2-binding protein cofilin from its inactive membrane-associated state into the cytoplasm where it mediates actin turnover dynamics. PMID: 26620550
  • Data indicate the X-ray structure of the mature ectodomain of mature ectodomain of phogrin/IA-2beta (PTPRN2) (ME phogrin) at pH 7.4 and 4.6. PMID: 25421040
  • ProPTPRN2 elicited these effects through direct interaction with TRAF2. PMID: 25877877
  • While PTPRN2 shares sequence similarity with protein tyrosine phosphatases, this study in rat suggests that this protein instead functions as a membrane bound phosphatidylinositol phosphatase. PMID: 20097759
  • The findings in this patient raise the possibility that PTPRN2 may be active during early development of the human brainstem and that its overexpression may cause bilateral Duane retraction syndrome as occurs in patients with homozygous HOXA1 mutations. PMID: 22950449
  • IA-2beta is involved in insulin secretion, but despite its importance as a major autoantigen in human type 1 diabetes, it is not required for the development of diabetes in NOD mice. PMID: 15220191
  • In mice IA-2beta expressed exclusively in dense core secretory vesicles (DCV) and with fractions rich in synaptic vesicles (SV) of neuroendocrine cells of brain and impairment of conditioned learning. PMID: 19361477

    • 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.

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