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+---
+layout: post
+title:  "MHC restriction ontology (MRO) has been registered with the OBO Library"
+date:   2015-10-01
+categories: update
+summary:  The MHC Restriction Ontology has been added to the OBO Registry.
+tags:
+ - announce
+---
+
+Full details can be found on [the ontology metadata page](/ontology/mro.html).
+
+Note that this ontology has not yet been reviewed by the OBO Foundry Editorial committee, and so there is not implication of foundry status.