Update eleos.md

issue #265 (closed)

Add ref https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0107211 Add PDB 4AUR

content/3.defense-systems/eleos.md

@@ -41,7+41,7 @@
 
 The Eleos system is present in a total of 807 different species.
 
 Among the 22k complete genomes of RefSeq, this system is present in 2652 genomes (11.6 %).
 
 ![eleos](/eleos/Distribution_Eleos.svg){max-width=750px}
 
@@ -52,7+52,7 @@
 From :ref{doi=10.1371/journal.pone.0107211} in *Escherichia coli* (ETEC) strain H10407:
 
 ::molstar-pdbe-plugin
-
+---
 height: 700
 dataUrl: /eleos/4aur_LeoA_1mer.pdb
+---
 ::