diff --git a/src/biotite/database/rcsb/query.py b/src/biotite/database/rcsb/query.py
index 972cf1423..c6dba94ec 100644
--- a/src/biotite/database/rcsb/query.py
+++ b/src/biotite/database/rcsb/query.py
@@ -439,9 +439,9 @@ class StructureQuery(SingleQuery):
     Examples
     --------
 
-    >>> query = StructureQuery("1L2Y", chain="A")
+    >>> query = StructureQuery("1GYA", assembly="1")
     >>> print(sorted(search(query)))
-    ['1L2Y', '1RIJ', '2JOF', '2LDJ', '2M7D', '7MQS', '9DPF']
+    ['1CDB', '1GYA', '1QA9']
     """
 
     def __init__(self, pdb_id, chain=None, assembly=None, strict=True):
@@ -452,7 +452,7 @@ def __init__(self, pdb_id, chain=None, assembly=None, strict=True):
         ):
             raise TypeError("Either the chain ID or assembly ID must be set")
         elif chain is None:
-            self._value = {"entry_id": pdb_id, "asssembly_id": assembly}
+            self._value = {"entry_id": pdb_id, "assembly_id": assembly}
         else:
             self._value = {"entry_id": pdb_id, "asym_id": chain}
 
diff --git a/tests/database/test_rcsb.py b/tests/database/test_rcsb.py
index c20a5eca9..24dffc057 100644
--- a/tests/database/test_rcsb.py
+++ b/tests/database/test_rcsb.py
@@ -196,8 +196,9 @@ def test_search_sequence():
 
 
 @pytest.mark.skipif(cannot_connect_to(RCSB_URL), reason="RCSB PDB is not available")
-def test_search_structure():
-    query = rcsb.StructureQuery("1L2Y", chain="A")
+@pytest.mark.parametrize("chain, assembly", [("A", None), (None, "1")])
+def test_search_structure(chain, assembly):
+    query = rcsb.StructureQuery("1L2Y", chain=chain, assembly=assembly)
     test_ids = rcsb.search(query)
     assert "1L2Y" in test_ids