Human IGF-2 Animal-Free Recombinant Protein

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PC-AF-H-IGF2-100UG
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IGFs, or insulin-like growth factors, are polypeptide growth factors known for their ability to stimulate the proliferation and survival of various cell types, including those found in muscle, bone, and cartilage tissue when studied in vitro. They are primarily synthesized in the liver, though various tissues produce them at specific times. Belonging to the Insulin gene family, which also includes insulin and relaxin, IGFs share structural and functional similarities with insulin but exhibit significantly greater growth-promoting activity.

IGF-II expression is influenced by placenta lactogen, while growth hormone regulates IGF-I expression. Both IGF-I and IGF-II signal through the tyrosine kinase type I receptor (IGF-IR), though IGF-II can also utilize the IGF-II/Mannose-6-phosphate receptor pathway. Mature IGFs are formed through proteolytic processing of inactive precursor proteins, which contain N-terminal and C-terminal propeptide regions.

Recombinant Human IGF-I and IGF-II are globular proteins composed of 70 and 67 amino acids, respectively, and each contains three intra-molecular disulfide bonds. The calculated molecular weight of Recombinant Human IGF-II is 7.5 kDa.

Product Specifications  
Species Human 
Published Species Human, Mouse, Rat, Salamander
Expression System E.coli
Amino Acid Sequence  AYRPSETLCG GELVDTLQFV CGDRGFYFSR PASRVSRRSR GIVEECCFRS CDLALLETYC ATPAKSE
Molecular Weight 7.5 kDa
Class Recombinant
Type Protein
Purity  ≥ 98% by SDS-PAGE gel and HPLC analyses.
Endotoxin Concentration <0.1 EU/µg
Activity The ED50 was determined by a cell proliferation assay using FDC-P1 cells is ≤ 2.0 ng/ml, corresponding to a specific activity of ≥ 5 x 105 units/mg.
Conjugate Unconjugated
Form Lyophilized
Contains No Preservative
Storage -20°C

CAUTION

For Research Use Only. Not for use in diagnostic procedures.