diff --git a/content/3.defense-systems/gao_mza.md b/content/3.defense-systems/gao_mza.md
index eef4cf639415a047e895ef6522630eb20c25b1c6..837f52188a2ad4eaa5ac06b61bf41846db13f20f 100644
--- a/content/3.defense-systems/gao_mza.md
+++ b/content/3.defense-systems/gao_mza.md
@@ -10,9 +10,20 @@ tableColumns:
     Activator: Unknown
     Effector: Unknown
     PFAM: PF00023, PF04542, PF04545, PF10592, PF10593, PF13589, PF13606, PF14390
+contributors:
+    - Hugo Vaysset
+relevantAbstracts:
+    - doi: 10.1126/science.aba0372
 ---
 
 # Gao_Mza
+
+## Description
+Mza (MutL, Z1, DUF, AIPR) is a defense system composed of five proteins. Its antiphage activity was assessed by heterologous expression in *E. coli* against phages T2, T4, T5, lambda and M13 (ssDNA phage) :ref{doi=10.1126/science.aba0372}.  
+
+## Molecular mechanism
+As far as we are aware, the molecular mechanism is unknown. 
+
 ## Example of genomic structure
 
 The Gao_Mza is composed of 5 proteins: MzaA, MzaB, MzaC, MzaD and MzaE.
@@ -103,13 +114,4 @@ end
     style Title3 fill:none,stroke:none,stroke-width:none
     style Title4 fill:none,stroke:none,stroke-width:none
 </mermaid>
-## Relevant abstracts
-
-::relevant-abstracts
----
-items:
-    - doi: 10.1126/science.aba0372
-
----
-::