--- a
+++ b/singlecellmultiomics/molecule/rna.py
@@ -0,0 +1,16 @@
+from singlecellmultiomics.molecule.molecule import Molecule
+from singlecellmultiomics.molecule.featureannotatedmolecule import FeatureAnnotatedMolecule
+
+
+class VASA(FeatureAnnotatedMolecule):
+    """VASA seq molecule
+
+    Args:
+        fragments (singlecellmultiomics.fragment.Fragment): Fragments to associate to the molecule
+        features (singlecellmultiomics.features.FeatureContainer) : container to use to obtain features from
+        **kwargs: extra args
+
+    """
+
+    def __init__(self, fragment, features, **kwargs):
+        FeatureAnnotatedMolecule.__init__(self, fragment, features, **kwargs)