diff --git a/docs/reference/api/systems_and_components.rst b/docs/reference/api/systems_and_components.rst
index a7e1f8b96..1c9987cec 100644
--- a/docs/reference/api/systems_and_components.rst
+++ b/docs/reference/api/systems_and_components.rst
@@ -10,10 +10,14 @@ We describe a chemical system as being made up of one or more "components," e.g.
     :nosignatures:
     :toctree: generated/
 
+    ChemicalSystem
+    Transformation
+    Component
     SmallMoleculeComponent
     ProteinComponent
+    ProteinMembraneComponent
     SolventComponent
-    ChemicalSystem
+    SolvatedPDBComponent
 
 
 Chemical System Generators
diff --git a/src/openfe/__init__.py b/src/openfe/__init__.py
index a320e7e98..3fe724761 100644
--- a/src/openfe/__init__.py
+++ b/src/openfe/__init__.py
@@ -56,6 +56,7 @@
     ProteinComponent,
     ProteinMembraneComponent,
     SmallMoleculeComponent,
+    SolvatedPDBComponent,
     SolventComponent,
     Transformation,
 )