diff --git a/explore/deploy/beta-properties.json b/explore/deploy/beta-properties.json
index a9df3916..4cba53b8 100644
--- a/explore/deploy/beta-properties.json
+++ b/explore/deploy/beta-properties.json
@@ -17,7 +17,9 @@
   "searchOrcidURL"    : "https://pub.orcid.org/v2.1/",
   "orcidURL"   : "https://orcid.org/",
   "doiURL"     : "https://dx.doi.org/",
+  "pmcURL": "http://europepmc.org/articles/",
   "pmidURL": "https://www.ncbi.nlm.nih.gov/pubmed/",
+  "handleURL": "http://hdl.handle.net/",
   "cordisURL"  : "http://cordis.europa.eu/projects/",
   "openDoarURL": "http://v2.sherpa.ac.uk/id/repository/",
   "r3DataURL": "http://service.re3data.org/repository/",
diff --git a/explore/deploy/production-properties.json b/explore/deploy/production-properties.json
index 9f9b99f8..99b8d9c0 100644
--- a/explore/deploy/production-properties.json
+++ b/explore/deploy/production-properties.json
@@ -17,7 +17,9 @@
   "searchOrcidURL"    : "https://pub.orcid.org/v2.1/",
   "orcidURL"   : "https://orcid.org/",
   "doiURL"     : "https://dx.doi.org/",
+  "pmcURL": "http://europepmc.org/articles/",
   "pmidURL": "https://www.ncbi.nlm.nih.gov/pubmed/",
+  "handleURL": "http://hdl.handle.net/",
   "cordisURL"  : "http://cordis.europa.eu/projects/",
   "openDoarURL": "http://v2.sherpa.ac.uk/id/repository/",
   "r3DataURL": "http://service.re3data.org/repository/",
diff --git a/explore/deploy/test-properties.json b/explore/deploy/test-properties.json
index abe5ad30..e397128c 100644
--- a/explore/deploy/test-properties.json
+++ b/explore/deploy/test-properties.json
@@ -17,11 +17,11 @@
   "searchDataciteAPIURL" : "https://api.datacite.org/works",
   "searchOrcidURL"    : "https://pub.orcid.org/v2.1/",
   "orcidURL"   : "https://orcid.org/",
-  "pmidURL"    : "http://www.ncbi.nlm.nih.gov/pubmed/",
   "doiURL"     : "https://dx.doi.org/",
+  "pmcURL": "http://europepmc.org/articles/",
+  "pmidURL": "https://www.ncbi.nlm.nih.gov/pubmed/",
+  "handleURL": "http://hdl.handle.net/",
   "cordisURL"  : "http://cordis.europa.eu/projects/",
-  "pmcURL"     : "http://europepmc.org/articles/",
-  "handleURL"  : "http://hdl.handle.net/",
   "openDoarURL": "http://v2.sherpa.ac.uk/id/repository/",
   "r3DataURL": "http://service.re3data.org/repository/",
   "sherpaURL": "http://www.sherpa.ac.uk/romeo/search.php?issn=",
diff --git a/explore/src/assets/env-properties.json b/explore/src/assets/env-properties.json
index b271ac88..5bbe07ff 100644
--- a/explore/src/assets/env-properties.json
+++ b/explore/src/assets/env-properties.json
@@ -17,7 +17,9 @@
   "searchOrcidURL"    :  "https://pub.orcid.org/v2.1/",
   "orcidURL"   : "https://orcid.org/",
   "doiURL"     : "https://dx.doi.org/",
+  "pmcURL": "http://europepmc.org/articles/",
   "pmidURL": "https://www.ncbi.nlm.nih.gov/pubmed/",
+  "handleURL": "http://hdl.handle.net/",
   "cordisURL"  : "http://cordis.europa.eu/projects/",
   "openDoarURL": "http://v2.sherpa.ac.uk/id/repository/",
   "r3DataURL": "http://service.re3data.org/repository/",