File Name : fig s1.tiff

Caption : figure s1: comparison between commercial bfgf and cys-tagged bfgf double mutant. no difference was observed between the commercially available bfgf and the engineered cys-tagged bfgf double mutant in a huvec proliferation assay.

File Name : fig s2.tiff

Caption : figure s2: cell number in proliferation assay. final cell numbers per well showing effect of mvbfgf on cell proliferation. bfgf, 1:10 mvbfgf 1:30 mvbfgf.

File Name : fig s3.tiff

Caption : figure s3: scratch assay baseline. representative images of huvec directly after scratch application in the following treatments: (a) no treatment, (b) unconjugated bfgf, (c) 200kd 1:10 mvbfgf and (d) 200kda 1:30 mvbfgf. scale bar = 200 μm.