
Keywords: FGF-1; disulfide; protein stability; empirical phase diagram; X-ray crystallography; cysteine-free mutant; protein engineering; cystine; FGF-1; fibroblast growth factor-1; WT; wild-type; DTNB; 5,5'-dithiobis(2-nitrobenzoic acid); GuHCl; guanidine hydrochl