epam · rrodionov91 · Mar 20, 2024 · Mar 18, 2024 · Mar 20, 2024 · Mar 20, 2024
diff --git a/...de-selection-for-edit-mode-Select-letters-with-LClick-drag-1-chromium-linux.png b/...de-selection-for-edit-mode-Select-letters-with-LClick-drag-1-chromium-linux.png
diff --git a/...de-selection-for-edit-mode-Select-letters-with-LClick-drag-2-chromium-linux.png b/...de-selection-for-edit-mode-Select-letters-with-LClick-drag-2-chromium-linux.png
diff --git a/...e-Select-letters-with-Shift-ArrowLeft-then-delete-and-undo-1-chromium-linux.png b/...e-Select-letters-with-Shift-ArrowLeft-then-delete-and-undo-1-chromium-linux.png
diff --git a/...e-Select-letters-with-Shift-ArrowLeft-then-delete-and-undo-2-chromium-linux.png b/...e-Select-letters-with-Shift-ArrowLeft-then-delete-and-undo-2-chromium-linux.png
diff --git a/...e-Select-letters-with-Shift-ArrowLeft-then-delete-and-undo-3-chromium-linux.png b/...e-Select-letters-with-Shift-ArrowLeft-then-delete-and-undo-3-chromium-linux.png
diff --git a/...e-Select-letters-with-Shift-ArrowLeft-then-delete-and-undo-4-chromium-linux.png b/...e-Select-letters-with-Shift-ArrowLeft-then-delete-and-undo-4-chromium-linux.png
diff --git a/...-for-edit-mode-Select-letters-with-Shift-ArrowRight-button-1-chromium-linux.png b/...-for-edit-mode-Select-letters-with-Shift-ArrowRight-button-1-chromium-linux.png
diff --git a/...lection-for-view-mode-Select-entire-chain-with-Ctrl-Lclick-1-chromium-linux.png b/...lection-for-view-mode-Select-entire-chain-with-Ctrl-Lclick-1-chromium-linux.png
diff --git a/...e-selection-for-view-mode-Select-letters-with-Shift-Lclick-1-chromium-linux.png b/...e-selection-for-view-mode-Select-letters-with-Shift-Lclick-1-chromium-linux.png
diff --git a/...r-view-mode-Select-letters-with-rectangular-selection-tool-1-chromium-linux.png b/...r-view-mode-Select-letters-with-rectangular-selection-tool-1-chromium-linux.png
diff --git a/ketcher-autotests/tests/Macromolecule-editor/Sequence-Mode/sequence-mode.spec.ts b/ketcher-autotests/tests/Macromolecule-editor/Sequence-Mode/sequence-mode.spec.ts
@@ -9,6 +9,7 @@ import {
   selectSnakeLayoutModeTool,
   selectFlexLayoutModeTool,
   clickUndo,
+  startNewSequence,
 } from '@utils';
 import { turnOnMacromoleculesEditor } from '@utils/macromolecules';
 
@@ -201,7 +202,7 @@ test.describe('Sequence Mode', () => {
   test('Open RNA in sequence mode, switch to snake mode and confirm that RNA chain layout is left-to-right', async ({
     page,
   }) => {
-    /* 
+    /*
     Test case: #3648
     Description: RNA opened in sequence mode and RNA chain layout is left-to-right in snake mode.
     */
@@ -211,4 +212,19 @@ test.describe('Sequence Mode', () => {
     await selectSnakeLayoutModeTool(page);
     await takeEditorScreenshot(page);
   });
+
+  test('Open modified RNA in sequence mode', async ({ page }) => {
+    /*
+    Test case: #3734
+    Description: Displaying modified nucleotide chains in sequence representation
+    */
+    await selectSequenceLayoutModeTool(page);
+    await openFileAndAddToCanvasMacro(
+      'KET/modified-nucleotide-chain.ket',
+      page,
+    );
+    await takeEditorScreenshot(page);
+    await startNewSequence(page);
+    await takeEditorScreenshot(page);
+  });
 });
diff --git a/...snapshots/Sequence-Mode-Open-modified-RNA-in-sequence-mode-1-chromium-linux.png b/...snapshots/Sequence-Mode-Open-modified-RNA-in-sequence-mode-1-chromium-linux.png
diff --git a/...snapshots/Sequence-Mode-Open-modified-RNA-in-sequence-mode-2-chromium-linux.png b/...snapshots/Sequence-Mode-Open-modified-RNA-in-sequence-mode-2-chromium-linux.png
diff --git a/...ence-Mode-Open-monomers-chains-and-switch-to-sequence-mode-2-chromium-linux.png b/...ence-Mode-Open-monomers-chains-and-switch-to-sequence-mode-2-chromium-linux.png