Table 3

Comparison of predicted and experimental changes in aggregation for IAPP variants, relative to the corresponding human IAPP sequence.

Variant
ΔAP*
Observed aggregation

(20–29) Cat
-5.12
=
(20–29) Rat
-16.46
-
(20–29) Hamster
-32.73
-
R18H
+0.94
+
L23F
+1.70
+
V26I
+0.42
+
R18H+L23F+V26I
+3.06
+
(22–27) N22A
+31.53
+
(22–27) F23A
-42.96
-
(22–27) G24A
+11.96
+
(22–27) I26A
-44.5872
-
(22–27) L27A
-33.99
-
S20G
-1.09
+
ProIAPP
+31.40
+?

* Change in average aggregation propensity

‡ Changes in aggregation determined experimentally.

? Not yet proved experimentally.

de Groot et al. BMC Structural Biology 2005 5:18   doi:10.1186/1472-6807-5-18