Update pd-t4-8.md

issue #238 (closed)

Link to Shedu?

content/3.defense-systems/pd-t4-8.md

@@ -10,9 +10,20 @@ tableColumns:
     Activator: Unknown
     Effector: Unknown
     PFAM: PF14082
+contributors:
+    - Alba Herrero del Valle
+relevantAbstracts:
+    - doi: 10.1371/journal.pgen.1010065
 ---
 
 # PD-T4-8
+
+## Description
+PD-T4-8 is composed of a single protein that contains a DUF4263 domain found in the [Shedu](/defense-systems/shedu) defence system :ref{doi=10.1038/s41564-022-01219-4}. PD-T4-8 from *Escherichia coli* RCP52534.1 confers resistance against T2, T4, T6, SECphi18 and SECphi27.
+
+## Molecular mechanisms
+As far as we are aware, the molecular mechanism is unknown. 
+
 ## Example of genomic structure
 
 The PD-T4-8 system is composed of one protein: PD-T4-8.
@@ -72,13 +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: 10.1038/s41564-022-01219-4
-
----
-::
-