Fig. 2From: Ultra-high resolution X-ray structures of two forms of human recombinant insulin at 100 KAnalysis of residues in the porcine insulin structure of Baker et al. [1] which may be important factors involved in the biological activity. α indicates most likely and γ is least likely to be active. The positionally invariable cysteines that form the disulphide bridges are also included as being very likely to be involved, rated αBack to article page