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Figure 1
Three different conformations of B-chain folding in insulin hexamers. One B-chain in each hexamer is highlighted and coloured according to secondary structure. (a) R6 form, residues 1–8 in the B-chain are in helical conformation, which together with residues B9–B19 creates a continuous helical fragment. (b) T3R3f. Residues B1–B3 have an extended conformation, while residues B4–B19 are helical. (c) T6. Residues B1–B8 are in an extended conformation.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 39| Part 3| May 2006| Pages 391-400
doi:10.1107/S0021889806011058
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