Update menshen.md

content/3.defense-systems/menshen.md

@@ -10,9 +10,26 @@ tableColumns:
     Activator: Unknown
     Effector: Unknown
     PFAM: PF03235, PF05973, PF12476, PF13175, PF13304, PF13476
+contributors:
+- Alba Herrero del Valle    
+
+## Relevant abstracts
+
+::relevant-abstracts
+---
+items:
+    - doi: 10.1016/j.chom.2022.09.017
+
+---
 ---
 
 # Menshen
+## Description
+The Menshen system has been identified by Millman et al. as a three protein system NsnA, NsnB and NsnC. Menshen from *Solibacillus silvestris* StLB046 confers resistance in *E. coli* and *B. subtilis* against some phages :ref{doi=10.1016/j.chom.2022.09.017}.
+
+## Molecular mechanism
+As far as we are aware, the molecular mechanism is unknown. 
+
 ## Example of genomic structure
 
 The Menshen system is composed of 3 proteins: NsnA, NsnB and, NsnC_2623244837.
@@ -93,13 +110,6 @@ 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: 10.1016/j.chom.2022.09.017
-
----
 ::