diff --git a/content/3.defense-systems/gao_her.md b/content/3.defense-systems/gao_her.md
index e3f668fb8ac7d8ba17cadff61c1365504b6ebb53..f88af3f4a7e5abd6d9823e8dc513b08126f4ae75 100644
--- a/content/3.defense-systems/gao_her.md
+++ b/content/3.defense-systems/gao_her.md
@@ -10,6 +10,12 @@ tableColumns:
     Activator: Unknown
     Effector: Unknown
     PFAM: PF01935, PF10412, PF13289
+contributors: 
+  - To do
+relevantAbstracts:
+  - doi: 10.1126/science.aba0372
+  - doi: 10.1016/j.molcel.2023.11.007
+  - doi: 10.1016/j.molcel.2023.11.010
 ---
 
 # Gao_Her
@@ -39,6 +45,46 @@ Proportion of genome encoding the Gao_Her system for the 14 phyla with more than
 
 
 ## Structure
+### Experimentaly determined structure
+
+From :ref{doi=10.1016/j.molcel.2023.11.010} in *Escherichia coli*:
+
+::molstar-pdbe-plugin
+---
+height: 700
+dataUrl: /gao_her/8j4u_EcHerA_SIR2_6_12mer.cif
+---
+::
+
+From :ref{doi=10.1016/j.molcel.2023.11.007} in *Escherichia coli*:
+
+::molstar-pdbe-plugin
+---
+height: 700
+dataUrl: /gao_her/8sxx_EcSIR2_12mer.pdb
+---
+::
+
+::molstar-pdbe-plugin
+---
+height: 700
+dataUrl: /gao_her/8sxx_EcHerA_SIR2_5_12mer.cif
+---
+::
+
+::molstar-pdbe-plugin
+---
+height: 700
+dataUrl: /gao_her/8uae_EcHerA_SIR2_6_12mer_atpgamas.cif
+---
+::
+
+::molstar-pdbe-plugin
+---
+height: 700
+dataUrl: /gao_her/8uaf_EcHerA_SIR2_6_12mer_nad.cif
+---
+::
 
 ### Gao_Her_DUF