Article
Glycosaminoglycan silencing by engineered CXCL12 variants.
FEBS letters - 14 Sept 2015
Gschwandtner Martha, Trinker Martin U, Hecher Bianca, Adage Tiziana, Ali Simi, Kungl Andreas J
Abstract excerpt
We have engineered GPCR (G protein-coupled receptor) knock-out and high GAG-binding affinity into CXCL12α to inhibit CXCL12α-induced cell migration. Compared to wtCXCL12, the mutant CXCL12α (Δ8 L29K V39K) exhibited a 5.6-fold and a 2.2-fold affinity increase for heparin and heparan sulfate, respectively. From NaCl-based heparin displacement chromatography we concluded that more amino acid replacements would lead...
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