diff --git a/ga4gh/converters.py b/ga4gh/converters.py
index <HASH>..<HASH> 100644
--- a/ga4gh/converters.py
+++ b/ga4gh/converters.py
@@ -73,15 +73,13 @@ class SamConverter(object):
         alignmentFile.close()
 
     def _getHeader(self):
-        # TODO where to get actual values for header?
-        # need some kind of getReadGroup(readGroupId) method in protocol
-        # just add these dummy lines for now
+        # Create header information using self._reference
         header = {
             'HD': {'VN': '1.0'},
-            'SQ': [
-                {'LN': 1575, 'SN': 'chr1'},
-                {'LN': 1584, 'SN': 'chr2'},
-            ],
+            'SQ': [{
+                'LN': self._reference.length,
+                'SN': self._reference.name
+            }]
         }
         return header
Added header information to ga2sam