diff --git a/entities.csv b/entities.csv
index 2137f189c..812e13bd9 100644
--- a/entities.csv
+++ b/entities.csv
@@ -620,3 +620,5 @@ Wnt
 Wnt5
 YBX
 ZACN
+Deoxyribonucleoside_kinases
+TK
diff --git a/equivalences.csv b/equivalences.csv
index da4d2d20d..3829ad015 100644
--- a/equivalences.csv
+++ b/equivalences.csv
@@ -1668,3 +1668,4 @@ SIGNOR,SIGNOR-PF6,AMPK_alpha
 SIGNOR,SIGNOR-PF7,p14_3_3
 SIGNOR,SIGNOR-PF8,FGF
 SIGNOR,SIGNOR-PF9,BMP_receptor
+HGNC_GROUP,1699,Deoxyribonucleoside_kinases
diff --git a/relations.csv b/relations.csv
index 55e903d85..99885e0b2 100644
--- a/relations.csv
+++ b/relations.csv
@@ -3888,3 +3888,8 @@ HGNC,CLK3,isa,FPLX,CLK
 HGNC,CLK4,isa,FPLX,CLK
 HGNC,BLVRA,isa,FPLX,BLVR
 HGNC,BLVRB,isa,FPLX,BLVR
+HGNC,DCK,isa,FPLX,Deoxyribonucleoside_kinases
+HGNC,DGUOK,isa,FPLX,Deoxyribonucleoside_kinases
+FPLX,TK,isa,FPLX,Deoxyribonucleoside_kinases
+HGNC,TK1,isa,FPLX,Deoxyribonucleoside_kinases
+HGNC,TK2,isa,FPLX,Deoxyribonucleoside_kinases