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index 6539e911..ab765ffa 100644
--- a/app/img/nodes/gene.svg
+++ b/app/img/nodes/gene.svg
@@ -1,8 +1,51 @@
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diff --git a/app/img/nodes/ion-channel.svg b/app/img/nodes/ion-channel.svg
index b1f70fe3..c2d5681b 100644
--- a/app/img/nodes/ion-channel.svg
+++ b/app/img/nodes/ion-channel.svg
@@ -1,9 +1,65 @@
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