diff --git a/.DS_Store b/.DS_Store
index f44001a..dd6e21a 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/excelutils/.DS_Store b/excelutils/.DS_Store
index 23ddafc..e71403e 100644
Binary files a/excelutils/.DS_Store and b/excelutils/.DS_Store differ
diff --git a/excelutils/excel_sbol_utils/.DS_Store b/excelutils/excel_sbol_utils/.DS_Store
index 0c1ddf2..274bcf3 100644
Binary files a/excelutils/excel_sbol_utils/.DS_Store and b/excelutils/excel_sbol_utils/.DS_Store differ
diff --git a/excelutils/excel_sbol_utils/library2.py b/excelutils/excel_sbol_utils/library2.py
index c064d63..5754ac8 100644
--- a/excelutils/excel_sbol_utils/library2.py
+++ b/excelutils/excel_sbol_utils/library2.py
@@ -982,9 +982,9 @@ def sequence(rowobj):
 			elif re.match(r'^[a-zA-Z \s*]+$', val):
 				# if a sequence string
 
-				# removes spaces, enters, and makes all lower case
+				# removes spaces, enters, and makes all upper case
 				val = "".join(val.split())
-				val = val.replace(u"\ufeff", "").lower()
+				val = val.replace(u"\ufeff", "").upper()
 
 				uri = f'{url}/search/sequence={val}&'
 				if data["Domain"].strip() == "":
@@ -1042,10 +1042,10 @@ def proteinSequence(rowobj):
 					return
 				rowobj.obj.sequences = [val]
 
-			elif re.match(r'^[ACDEFGHIKLMNPQRSTVWY\s*]+$', val):
+			elif re.match(r'^[ACDEFGHIKLMNPQRSTVWYacdefghiklmnpqrstvwy\s*]+$', val):
 				# if a sequence string
 
-				# removes spaces, enters, and makes all lower case
+				# removes spaces, enters, and makes all upper case
 				val = "".join(val.split())
 				# removes *
 				val = val.replace('*', '')
diff --git a/excelutils/excel_sbol_utils/test.py b/excelutils/excel_sbol_utils/test.py
new file mode 100644
index 0000000..fdf168e
--- /dev/null
+++ b/excelutils/excel_sbol_utils/test.py
@@ -0,0 +1,4 @@
+user_input = "   Hello   "
+cleaned_input = user_input.strip()
+print(f"Original input: '{user_input}'")
+print(f"Cleaned input: '{cleaned_input}'")
\ No newline at end of file