Update gao_mza.md

Updated gao Mza system #189 (closed)

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 system is composed of 5 proteins: MzaB, MzaC, MzaA, MzaD and, MzaE.
@@ -102,13 +113,4 @@ 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
-
----
-::