diff --git a/content/3.defense-systems/rst_duf4238.md b/content/3.defense-systems/rst_duf4238.md
index 9a74d7eff36241542eec51eef31827c4b7224cbd..c3273fb0fd1c3be31734279029d4d16af092b8e7 100644
--- a/content/3.defense-systems/rst_duf4238.md
+++ b/content/3.defense-systems/rst_duf4238.md
@@ -10,11 +10,22 @@ tableColumns:
     Activator: Unknown
     Effector: Unknown
     PFAM: PF14022
-relevantAbstracts:
-    - doi: 10.1016/j.chom.2022.02.018
+contributors:
+    - Ernest Mordret
+relevant abstracts:
+    - 10.1016/j.chom.2022.02.018
 ---
 
 # Rst_DUF4238
+
+## Description
+
+Rst_DUF4238 is a single gene system found in a screen of phage and phage-satellites antiviral hotspots :ref{doi=10.1016/j.chom.2022.02.018}. It was shown to provide E.coli with a strong resistance against phage T7.
+
+## Molecular mechanism
+
+As far as we are aware, the molecular mechanism is unknown.
+
 ## Example of genomic structure
 
 The Rst_DUF4238 is composed of 1 protein: DUF4238.
@@ -75,4 +86,3 @@ end
     style Title3 fill:none,stroke:none,stroke-width:none
     style Title4 fill:none,stroke:none,stroke-width:none
 </mermaid>
-