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Angiopoietin-4 Cell Lysate | ANGPT4 cell lysate

Human Angiopoietin-4 HEK293 Overexpression Lysate

Gene Names
MS4A1; B1; S7; Bp35; CD20; CVID5; MS4A2; LEU-16
Applications
Western Blot
Synonyms
Angiopoietin-4; Human Angiopoietin-4 HEK293 Overexpression Lysate; Human Angiopoietin 4/ANG4/ANGPT4 HEK293 Cell Lysate (WB positive control); angiopoietin 4; Human AGP4 Overexpression Lysate; Human ANG-3 Overexpression Lysate; Human ANG4 Overexpression Lysate; ANGPT4 cell lysate
Ordering
For Research Use Only!
Host
HEK293 Cells
Form/Format
1x Sample Buffer (1x modified RIPA buffer+1x SDS loading buffer).
Modified RIPA Lysis Buffer: 50 mM Tris-HCl pH 7.4, 150 mM NaCl, 1mM EDTA, 1% Triton X-100, 0.1% SDS, 1% Sodium deoxycholate, 1mM PMSF.
Sequence Positions
242aa
Sequence
Met282-Ile503
Applicable Applications for ANGPT4 cell lysate
Western Blot (WB)
Application Notes
WB: Use at an assay dependent dilution.
Species
Human
Recommend Usage
1. Centrifuge the tube for a few seconds and ensure the pellet at the bottom of the tube.2. Re-dissolve the pellet using 200uL pure water and boil for 2-5 min.
Sequence Construction
A DNA sequence encoding the human ANGPT4 (NP_068769.2) (Met282-Ile503) was expressed, with an N-terminal polyhistidine tag.
Preparation Method
Cell lysate was prepared by homogenization of the over-expressed cells in ice-cold modified RIPA Lysis Buffer with cocktail of protease inhibitors. Cell debris was removed by centrifugation. Protein concentration was determined by Bradford assay (protein assay, Microplate Standard assay). The cell lysate was boiled for 5 min in 1 x SDS loading buffer (50mM Tris-HCl pH 6.8, 12.5% glycerol, 1% sodium dodecylsulfate, 0.01% bromophenol blue) containing 5% b-mercaptoethanol, and lyophilized.
Preparation and Storage
Store at 4 degree C for up to twelve months from date of receipt. After re-dissolution, aliquot and store at -80 degree C for up to twelve months. Avoid repeated freeze-thaw cycles.
Samples are stable for up to twelve months from date of receipt.
Related Product Information for ANGPT4 cell lysate
This Human Angiopoietin-4 overexpression lysate was created in HEK293 Cells and intented for use as a Western blot (WB) positive control. Purification of Angiopoietin-4 protein from the overexpression lysate was verified.
References
Grosios K, et al. (1999) Assignment of ANGPT4, ANGPT1, and ANGPT2 encoding angiopoietins 4, 1 and 2 to human chromosome bands 20p13, 8q22.3?q23 and 8p23.1, respectively, by in situ hybridization and radiation hybrid mapping. Cytogenet. Cell Genet. 84 (1-2): 118-20.Yamakawa M, et al. (2004) Expression of angiopoietins in renal epithelial and clear cell carcinoma cells: regulation by hypoxia and participation in angiogenesis. Am J Physiol Renal Physiol. 287 (4): 649-57.Oliner J, et al. (2004) Suppression of angiogenesis and tumor growth by selective inhibition of angiopoietin-2. Cancer Cell. 6 (5): 507-16.

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
931
NCBI Accession #
NCBI GenBank Nucleotide #
UniProt Accession #
Molecular Weight
33077 MW
NCBI Official Full Name
B-lymphocyte antigen CD20
NCBI Official Synonym Full Names
membrane spanning 4-domains A1
NCBI Official Symbol
MS4A1
NCBI Official Synonym Symbols
B1; S7; Bp35; CD20; CVID5; MS4A2; LEU-16
NCBI Protein Information
B-lymphocyte antigen CD20
UniProt Protein Name
B-lymphocyte antigen CD20
Protein Family
UniProt Gene Name
MS4A1
UniProt Synonym Gene Names
CD20
UniProt Entry Name
CD20_HUMAN

NCBI Description

This gene encodes a member of the membrane-spanning 4A gene family. Members of this nascent protein family are characterized by common structural features and similar intron/exon splice boundaries and display unique expression patterns among hematopoietic cells and nonlymphoid tissues. This gene encodes a B-lymphocyte surface molecule which plays a role in the development and differentiation of B-cells into plasma cells. This family member is localized to 11q12, among a cluster of family members. Alternative splicing of this gene results in two transcript variants which encode the same protein. [provided by RefSeq, Jul 2008]

Uniprot Description

MS4A1: This protein may be involved in the regulation of B-cell activation and proliferation. Defects in MS4A1 are the cause of immunodeficiency common variable type 5 (CVID5); also called antibody deficiency due to CD20 defect. CVID5 is a primary immunodeficiency characterized by antibody deficiency, hypogammaglobulinemia, recurrent bacterial infections and an inability to mount an antibody response to antigen. The defect results from a failure of B-cell differentiation and impaired secretion of immunoglobulins; the numbers of circulating B-cells is usually in the normal range, but can be low. Belongs to the MS4A family.

Protein type: Membrane protein, integral; Cell surface; Membrane protein, multi-pass

Chromosomal Location of Human Ortholog: 11q12

Cellular Component: extracellular space; integral to plasma membrane; external side of plasma membrane

Molecular Function: epidermal growth factor receptor binding

Biological Process: B cell proliferation; humoral immune response

Disease: Immunodeficiency, Common Variable, 5

Research Articles on ANGPT4

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Product Notes

The ANGPT4 ms4a1 (Catalog #AAA8113686) is a Cell Lysate produced from HEK293 Cells and is intended for research purposes only. The product is available for immediate purchase. The immunogen sequence is 242aa. AAA Biotech's Angiopoietin-4 can be used in a range of immunoassay formats including, but not limited to, Western Blot (WB). WB: Use at an assay dependent dilution. Researchers should empirically determine the suitability of the ANGPT4 ms4a1 for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process. The amino acid sequence is listed below: Met282-Ile 503. It is sometimes possible for the material contained within the vial of "Angiopoietin-4, Cell Lysate" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.

Precautions

All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.

Disclaimer

Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.

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