diff --git a/CHANGELOG b/CHANGELOG
index 1c4431b1740872df9cbd07bcb4a6433b885762d6..0aea267c35f97c38589ab73413b1528d6a40c2d5 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,7 @@
 minerva-front (18.0.3) stable; urgency=medium
   * Bug fix: Molart froze after clicking (#313)
+  * Bug fix: missing description and modifications added to element and
+    reaction summary (#314)
 
  -- Piotr Gawron <piotr.gawron@uni.lu>  Fri, 08 Nov 2024 13:00:00 +0200
 
diff --git a/src/components/Map/Drawer/BioEntityDrawer/BioEntityDrawer.component.tsx b/src/components/Map/Drawer/BioEntityDrawer/BioEntityDrawer.component.tsx
index 06e815d3c8bb534d50a118613f64a912e222aac6..86dec734fd2b2ddde87bdc8214a2fa9c5f37a496 100644
--- a/src/components/Map/Drawer/BioEntityDrawer/BioEntityDrawer.component.tsx
+++ b/src/components/Map/Drawer/BioEntityDrawer/BioEntityDrawer.component.tsx
@@ -13,6 +13,7 @@ import { useAppSelector } from '@/redux/hooks/useAppSelector';
 import { DrawerHeading } from '@/shared/DrawerHeading';
 import { ElementSearchResultType } from '@/types/models';
 import { CommentItem } from '@/components/Map/Drawer/BioEntityDrawer/Comments/CommentItem.component';
+import { ModificationResidueItem } from '@/components/Map/Drawer/BioEntityDrawer/ModificationResidueItem';
 import { CollapsibleSection } from '../ExportDrawer/CollapsibleSection';
 import { AnnotationItem } from './AnnotationItem';
 import { AssociatedSubmap } from './AssociatedSubmap';
@@ -42,6 +43,10 @@ export const BioEntityDrawer = (): React.ReactNode => {
 
   const isReferenceAvailable = bioEntityData.references.length > ZERO;
   const isCommentAvailable = commentsData.length > ZERO;
+  const modificationResidues = (
+    bioEntityData.modificationResidues ? bioEntityData.modificationResidues : []
+  ).filter(modificationResidue => modificationResidue.state && modificationResidue.state !== '');
+  const isModificationAvailable = modificationResidues.length > ZERO;
 
   return (
     <div className="h-calc-drawer" data-testid="bioentity-drawer">
@@ -62,6 +67,17 @@ export const BioEntityDrawer = (): React.ReactNode => {
             Full name: <b className="font-semibold">{bioEntityData.fullName}</b>
           </div>
         )}
+        {bioEntityData.notes && <div className="text-sm font-normal">{bioEntityData.notes}</div>}
+        {isModificationAvailable && (
+          <h3 className="font-semibold">Post-translational modifications:</h3>
+        )}
+        {isModificationAvailable && (
+          <ul className="ml-5 list-disc">
+            {modificationResidues.map(residue => (
+              <ModificationResidueItem key={residue.id} state={residue.state} name={residue.name} />
+            ))}
+          </ul>
+        )}
         <h3 className="font-semibold">
           Annotations:{' '}
           {!isReferenceAvailable && <span className="font-normal">No annotations</span>}
diff --git a/src/components/Map/Drawer/BioEntityDrawer/ModificationResidueItem/ModificationResidueItem.component.tsx b/src/components/Map/Drawer/BioEntityDrawer/ModificationResidueItem/ModificationResidueItem.component.tsx
new file mode 100644
index 0000000000000000000000000000000000000000..6aee2f8c6f5a2f5c5cb6e61459c0426591d2679c
--- /dev/null
+++ b/src/components/Map/Drawer/BioEntityDrawer/ModificationResidueItem/ModificationResidueItem.component.tsx
@@ -0,0 +1,14 @@
+import { ModificationResidue } from '@/types/models';
+
+type ModificationResidueItemProps = Pick<ModificationResidue, 'state' | 'name'>;
+
+export const ModificationResidueItem = ({
+  state,
+  name,
+}: ModificationResidueItemProps): JSX.Element => (
+  <li>
+    <span>
+      {state} {name && <span>at position {name}</span>}
+    </span>
+  </li>
+);
diff --git a/src/components/Map/Drawer/BioEntityDrawer/ModificationResidueItem/index.ts b/src/components/Map/Drawer/BioEntityDrawer/ModificationResidueItem/index.ts
new file mode 100644
index 0000000000000000000000000000000000000000..222316a9294eb1053e1938beeebb854d2923d82b
--- /dev/null
+++ b/src/components/Map/Drawer/BioEntityDrawer/ModificationResidueItem/index.ts
@@ -0,0 +1 @@
+export { ModificationResidueItem } from './ModificationResidueItem.component';
diff --git a/src/components/Map/Drawer/ReactionDrawer/ReactionDrawer.component.tsx b/src/components/Map/Drawer/ReactionDrawer/ReactionDrawer.component.tsx
index ea1396ea0af8a1956983723000c72c5a2f4e91c2..1423ef7d11a71e2b51e8206a047ba28d3c0e4d83 100644
--- a/src/components/Map/Drawer/ReactionDrawer/ReactionDrawer.component.tsx
+++ b/src/components/Map/Drawer/ReactionDrawer/ReactionDrawer.component.tsx
@@ -37,6 +37,7 @@ export const ReactionDrawer = (): React.ReactNode => {
           Type: <b className="font-semibold">{reaction.type}</b>
         </div>
         <hr className="border-b border-b-divide" />
+        {reaction.notes && <div className="text-sm font-normal">{reaction.notes}</div>}
         <h3 className="font-semibold">Annotations:</h3>
         {referencesGrouped.map(group => (
           <ReferenceGroup key={group.source} group={group} />
diff --git a/src/types/models.ts b/src/types/models.ts
index c55955ac291dc9571cd2879f730777ebb663682e..565b18304f48f5f6d3269d3c2af20d55ef8c1944 100644
--- a/src/types/models.ts
+++ b/src/types/models.ts
@@ -65,6 +65,7 @@ import { commentSchema } from '@/models/commentSchema';
 import { userSchema } from '@/models/userSchema';
 import { javaStacktraceSchema } from '@/models/javaStacktraceSchema';
 import { oauthSchema } from '@/models/oauthSchema';
+import { modificationResiduesSchema } from '@/models/modificationResiduesSchema';
 
 export type Project = z.infer<typeof projectSchema>;
 export type OverviewImageView = z.infer<typeof overviewImageView>;
@@ -123,6 +124,7 @@ export type MarkerSurface = z.infer<typeof markerSurfaceSchema>;
 export type MarkerLine = z.infer<typeof markerLineSchema>;
 export type MarkerWithPosition = z.infer<typeof markerWithPositionSchema>;
 export type Marker = z.infer<typeof markerSchema>;
+export type ModificationResidue = z.infer<typeof modificationResiduesSchema>;
 export type JavaStacktrace = z.infer<typeof javaStacktraceSchema>;
 export type Comment = z.infer<typeof commentSchema>;