Angiopoietin-4 Recombinant Protein | ANGPT4 recombinant protein

Angiopoietin-4 Protein, Human, Recombinant (His Tag)

Cat. Num. AAA8120171

• Gene Names: MS4A1; B1; S7; Bp35; CD20; CVID5; MS4A2; LEU-16
• Purity: >80% as determined by SDS-PAGE
• Synonyms: Angiopoietin-4; Angiopoietin-4 Protein; Human; Recombinant (His Tag); Human Angiopoietin 4/ANG4/ANGPT4 Protein (His Tag); AGP4 Protein; ANG-3 Protein; ANG4 Protein; angiopoietin 4; ANGPT4 recombinant protein

• Host: HEK293 Cells
• Purity/Purification: >80% as determined by SDS-PAGE
• Form/Format: Lyophilized from sterile PBS, pH7.4. Normally 5%-8% trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization. Please refer to the specific buffer information in the hard copy of CoA.
• Sequence: Met282-Ile503

• Species: Human
• Endotoxin: <1.0EU per ug of the protein as determined by the LAL method
• Predicted N Terminal: His
• Tag: N-His
• Protein Construction: A DNA sequence encoding the human ANGPT4 (NP_068769.2)(Met282-Ile503) was expressed, with an N-terminal polyhistidine tag.
• Reconstitution: A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.
• Preparation and Storage: Samples are stable for up to twelve months from date of receipt at -20 degree C to -80 degree C. Store it under sterile conditions at -20 degree C to -80 degree C. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.; 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.

SDS-Page

References

Grosios K, et al. (1999) Assignment of ANGPT4, ANGPT1, and ANGPT2 encoding angiopoietins 4, 1 and 2 to human chromosome bands 20p13, 8q22.3q23 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 #: 23110987
• NCBI GeneID: 931
• NCBI Accession #: NP_068769.2
• NCBI GenBank Nucleotide #: NM_021950.3
• UniProt Accession #: P11836; P08984; Q13963; A6NMS4; B4DT24
• 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: Angiopoietin
• 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