Recombinant Human Vascular Endothelial Growth Factor 165, Yeast-derived

Key features and details

  • Target: VEGF 165
  • Source / Expression System: Expressed in Pichia Pastoris.
  • Abbreviation: rHuVEGF165, Yeast-derived
  • Molecular Weight: 38.2 kDa
  • Brand:
CAT.NO. : ARP6617Y
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Product Details
Background
Vascular Endothelial Growth Factor is a sub-family of growth factors produced by cells, which stimulates vasculogenesis and angiogenesis. VEGF's normal function is to create new blood vessels during embryonic development, new blood vessels after injury, muscle following exercise, and new vessels (collateral circulation) to bypass blocked vessels. VEGF production can be induced in cells that are not receiving enough oxygen. VEGF165 appears to be the most abundant and potent isoform, followed by VEGF121 and VEGF189. In addition, it shares 88 % a.a. with corresponding regions of mouse and rat, 96 % with porcine, 95 % with canine, and 93 % with feline, equine and bovine VEGF, respectively. Recombinant human VEGF165 contains 165 amino acids residues and it is a disulfide-linked homodimer.
Overview

Abbreviation

rHuVEGF165, Yeast-derived

Source / Expression System

Expressed in Pichia Pastoris.

Molecular Weight

Approximately 38.2 kDa, a disulfide-linked homodimeric protein consisting of two 165 amino acid polypeptide chains. As a result of glycosylation, it migrates to at least three bands with molecular weights ranging from 20-31 kDa in SDS-PAGE under reducing conditions.

Accession #

P15692 (Ala27-Arg191 with an N-terminal Met)

A.A. Sequence

MAPMAEGGGQNHHEVVKFMDVYQRSYCHPIETLVDIFQEYPDEIEYIFKPSCVPLMRCGGCCNDEGLECVPTEESNITMQIMRIKPHQGQHIGEMSFLQHNKCECRPKKDRARQENPCGPCSERRKHLFVQDPQTCKCSCKNTDSRCKARQLELNERTCRCDKPRR

Purity

>96% by SDS-PAGE or HPLC.

Biological Activity

Fully biologically active when compared to standard. Determined by the dose-dependent stimulation of the proliferation of human umbilical vein endothelial cells (HUVEC) using a concentration range of 1.0-8.0 ng/ml.

Formulation

Lyophilized from a 0.2 μm filtered concentrated solution in PBS, with 0.02% Tween-20, pH 7.4.

Appearance

Sterile filtered White lyophilized (freeze-dried) powder.

Endotoxin

< 0.01 EU/μg of rHuVEGF165 protein as determined by LAL method.

Reconstitution Instruction

Before use this product, please read the direction below carefully. This vial must be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in a sterile distilled water or aqueous buffer containing 0.1% BSA to a concentration of 0.1-1.0 mg/ml. Stock solutions should be apportioned into working aliquots and stored at ≤ -20℃. Further dilutions should be made in appropriate buffered solutions.

Data


SDS-PAGE
Storage
For long term storage, the product should be stored ≤ -20℃. Please avoid repeated freeze-thaw cycles after reconstitution. 36 months from date of receipt, -20 to -70℃ as supplied. 1 month, 2 to 8℃ under sterile conditions after reconstitution. 3 months, -20 to -70℃ under sterile conditions after reconstitution.
Research Use Only
For Research Use Only. Not for use in diagnostic procedures.
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