Not available outside of the UK & Ireland.

Analysis Note

The biological activity is measured a competitive binding assay.

Biochem/physiol Actions

This ligand is a naturally occurring inhibitor of angiopoietin-1 and Tie-2 both in vivo and in vitro, and has important roles in embryogenic angiogenesis and maintaining the integrity of adult vasculature.

Physical form

Lyophilized from a 0.2 µm filtered solution in 20 mM MOPS, 500 mM NaCl, 0.1% PEG-8000, 0.2% CHAPS, pH 7.0 containing 50 µg bovine serum albumin per 1 µg of cytokine.