diff --git a/feature_calculation/protein.py b/feature_calculation/protein.py
index f31965e..b9d5363 100755
--- a/feature_calculation/protein.py
+++ b/feature_calculation/protein.py
@@ -83,12 +83,12 @@ def percent_thermolabile(AA_counts):
 def EKQH(AA_counts):
 	#calculate the ratio of EK/QH in the proteome
 	EK = 0.0
-	QT=0.0
+	QH=0.0
 	for x in ['E','K']:	
 		EK=EK+AA_counts[x]
-	for x in ['Q','T']:
-		QT=QT+AA_counts[x]
-	return EK/QT
+	for x in ['Q','H']:
+		QH=QH+AA_counts[x]
+	return EK/QH
 
 def EFMR(AA_counts):
 	#calculate the fraction of EFMR in the proteome
@@ -124,8 +124,6 @@ def percent_ERK(AA_counts):
 	counts= sum(AA_counts.values())
 	for x in ['E','R','K']:	
 		ERK=ERK+AA_counts[x]
-	for x in AAs:
-		counts=counts+AA_counts[x]
 	return ERK/counts
 	
 def LKQ(AA_counts):