diff --git a/entities.csv b/entities.csv
index 133f1b54b..6ecb88d53 100644
--- a/entities.csv
+++ b/entities.csv
@@ -117,6 +117,7 @@ Chemokine_receptor
 Chloride_calcium_activated_channels
 Chloride_channels
 Cholinesterase
+CHK
 CHRM
 CHRN
 CK2
diff --git a/relations.csv b/relations.csv
index 147f289b8..28e9666b4 100644
--- a/relations.csv
+++ b/relations.csv
@@ -3809,3 +3809,5 @@ HGNC,TOP1MT,isa,FPLX,TOP
 FPLX,TOP2,isa,FPLX,TOP
 HGNC,TOP3A,isa,FPLX,TOP
 HGNC,TOP3B,isa,FPLX,TOP
+HGNC,CHKA,isa,FPLX,CHK
+HGNC,CHKB,isa,FPLX,CHK