Update gao_tmn.md according to Hackaton guidelines, see...

Update gao_tmn.md according to Hackaton guidelines, see #229

content/3.defense-systems/gao_tmn.md

@@ -9,9 +9,22 @@ tableColumns:
     Sensor: Unknown
     Activator: Unknown
     Effector: Unknown
+contributors: 
+  - Lucas Paoli
+relevantAbstracts:
+  - doi: 10.1126/science.aba0372
 ---
 
 # Gao_Tmn
+
+## Description
+
+The Gao_Tmn system is named after the first author of the paper (Gao et al. 2020 :ref{doi=10.1126/science.aba0372}) and the description of the gene identified: a transmembrane NTPase.
+
+## Molecular mechanisms
+
+As far as we are aware, the molecular mechanism is unknown. 
+
 ## Example of genomic structure
 
 The Gao_Tmn system is composed of one protein: TmnA.
@@ -70,12 +83,3 @@ 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
-
----
-::