SRP3278
ANGIOPOEITIN-2 human
recombinant, expressed in CHO cells, ≥95% (SDS-PAGE), ≥95% (HPLC)
Synonym(s):
ANGPT2
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About This Item
UNSPSC Code:
12352202
biological source
human
recombinant
expressed in CHO cells
assay
≥95% (HPLC)
≥95% (SDS-PAGE)
form
lyophilized
mol wt
60.0-70.0 kDa
packaging
pkg of 20 μg
impurities
<0.1 EU/μg endotoxin, tested
color
white to off-white
UniProt accession no.
shipped in
wet ice
Storage temp.
−20°C
Gene Information
human ... ANGPT2(1285)
General description
The signaling interactions of ANG-1, ANG-2 and Tie2, along with less characterized ANG-3 and ANG-4, are required for embryonic and adult angiogenesis. Physiologically, ANG-1 and ANG-2 are associated with sprouting, tube formation, and structural integrity of newly formed blood vessels. Mature human ANG-2 is a secreted protein containing 480 amino acid residues. ANG-2 is composed of an alpha helix rich “coiled coil” N-terminal domain and fibrinogen like C-terminal domain.
Biochem/physiol Actions
ANG-2 binds to the endothelial cell specific receptor Tie2, but, in contrast to ANG-1 does not induce tyrosine phosphorylation. Consequently, ANG-2 modulates ANG-1 activation of Tie2 and, depending on the physiological and biochemical environment, can act either as a n agonist or antagonist of Tie2 induced angiogenesis. ANG-2 exists predominantly in the form of a disulfide-linked dimer. Recombinant human ANG-2 is a C-terminal histidine tagged glycoprotein which migrates with an apparent molecular mass of 60.0 – 70.0 kDa by SDS-PAGE under reducing conditions. Sequencing analysis shows an N-terminal sequence starting with residue 68 (D) of the ANG-2 precursor protein.
Physical form
Lyophilized from 10 mM Sodium Phosphate, pH 8.0.
Reconstitution
Centrifuge the vial prior to opening. Reconstitute in water to a concentration of 0.1-1.0 mg/mL. Do not vortex. This solution can be stored at 2-8°C for up to 1 week. For extended storage, it is recommended to further dilute in a buffer containing a carrier protein (example 0.1% BSA) and store in working aliquots at -20°C to -80°C.
Storage Class
12 - Non Combustible Liquids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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I Kim et al.
The Journal of biological chemistry, 275(24), 18550-18556 (2000-04-15)
Angiopoietin-2 (Ang2) is a naturally occurring antagonist of angiopoietin-1 (Ang1) that competes for binding to the Tie2 receptor and blocks Ang1-induced Tie2 autophosphorylation during vasculogenesis. Using the polymerase chain reaction, we isolated a cDNA encoding a novel shorter form of
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