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. Author manuscript; available in PMC: 2021 Feb 18.
Published in final edited form as: Biochemistry. 2020 Jan 30;59(6):742–754. doi: 10.1021/acs.biochem.9b01109

Table 4.

CCS values for IAPP variants in Å2. For some ions, two conformations could be detected.

Construct 1+2 1+3 1+4 2+4 2+5
A25P 545.2 ± 4.4 550.0 ± 7.8 666.7 ± 13.1 880.0 ± 2.3 983.1 ±32.1
551.7 ± 13.4 883.6 ± 14.6
S28P 544.5 ± 5.2 546.5 ± 5.7 675.0 ± 1.3 881.8 ± 2.1 981.3 ± 3.7
544.7 ±14.4 859.5 ± 0.0
S29P 552.5 ± 3.9 542.8 ± 10.5 672.3 ± 4.4 885.1 ± 8.8 937.4 ± 9.1
544.7 ± 14.4
A25P-S28P 550.5 ± 3.8 542.9 ± 7.9 680.2 ± 12.7 881.9 ± 2.8 878.5± 13.4
537.7 ± 9.6
A25P-S29P 551.8 ± 3.1 546.5 ± 4.8 665.9 ± 26.3 896.1± 2.3 1004.7 ± 2.9
544.7 ± 14.4 890.7± 10.1
S28P-S29P 553.3 ± 5.9 551.7 ± 8.4 616.6 ± 7.0 885.2 ± 4.6 979.9 ±10.2
544.7 ± 14.4 929.3 ± 15.4
hIAPP 544.7 ± 4.6 551.1 ± 8.1 673.0 ± 11.4 864.0 ± 9.9 1005.9 ± 10.4
552.9 ± 12.2 863.0 ± 21.1