diff --git a/model/Human-GEM.yml b/model/Human-GEM.yml
index 23de2ad7..bc29c1e8 100644
--- a/model/Human-GEM.yml
+++ b/model/Human-GEM.yml
@@ -305400,8 +305400,8 @@
           - "Transport reactions"
       - confidence_score: 0
     - !!omap
-      - id: "MAR20163"
-      - name: "MAR20163"
+      - id: "MAR20164"
+      - name: "MAR20164"
       - metabolites: !!omap
           - MAM01756c: -1
           - MAM01756m: 1
@@ -305418,8 +305418,8 @@
           - "Transport reactions"
       - confidence_score: 0
     - !!omap
-      - id: "MAR20164"
-      - name: "MAR20164"
+      - id: "MAR20165"
+      - name: "MAR20165"
       - metabolites: !!omap
           - MAM01623c: -1
           - MAM01623m: 1
@@ -305434,8 +305434,8 @@
           - "Transport reactions"
       - confidence_score: 0
     - !!omap
-      - id: "MAR20165"
-      - name: "MAR20165"
+      - id: "MAR20166"
+      - name: "MAR20166"
       - metabolites: !!omap
           - MAM02034c: -1
           - MAM02034m: 1
@@ -305450,8 +305450,8 @@
           - "Transport reactions"
       - confidence_score: 0
     - !!omap
-      - id: "MAR20166"
-      - name: "MAR20166"
+      - id: "MAR20167"
+      - name: "MAR20167"
       - metabolites: !!omap
           - MAM01753c: -1
           - MAM01753m: 1
@@ -305466,8 +305466,8 @@
           - "Transport reactions"
       - confidence_score: 0
     - !!omap
-      - id: "MAR20167"
-      - name: "MAR20167"
+      - id: "MAR20168"
+      - name: "MAR20168"
       - metabolites: !!omap
           - MAM03130c: -1
           - MAM03130m: 1
diff --git a/model/reactions.tsv b/model/reactions.tsv
index ced5c3e3..ef4701db 100644
--- a/model/reactions.tsv
+++ b/model/reactions.tsv
@@ -13004,3 +13004,4 @@ rxns	rxnKEGGID	rxnBiGGID	rxnEHMNID	rxnHepatoNET1ID	rxnREACTOMEID	rxnRecon3DID	rx
 "MAR20165"	""	""	""	""	""	""	""	""	""	""	0	""	""	""
 "MAR20166"	""	""	""	""	""	""	""	""	""	""	0	""	""	""
 "MAR20167"	""	""	""	""	""	""	""	""	""	""	0	""	""	""
+"MAR20168"	""	""	""	""	""	""	""	""	""	""	0	""	""	""