remove index column

data/pdbbind_with_contacts.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:e5b1d9797064391210ff21a2d91e9a3a87fce19870bd3da3b44c6646a47d54e3
-size 16015367
+oid sha256:308b9775a25728eed0e3687cc1741f9a50d1a6392ec073157822990006ba763a
+size 16006189

pdbbind.ipynb

@@ -496,12 +496,12 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 39,
+   "execution_count": 40,
    "id": "c9d674bb-d6a2-4810-aa2b-e3bc3b4bbc98",
    "metadata": {},
    "outputs": [],
    "source": [
-    "df_all_contacts.drop(columns=['name','affinity_quantity']).astype({'affinity': 'float32'}).to_parquet('data/pdbbind_with_contacts.parquet')"
+    "df_all_contacts.drop(columns=['name','affinity_quantity']).astype({'affinity': 'float32','neg_log10_affinity_M': 'float32'}).to_parquet('data/pdbbind_with_contacts.parquet')"
    ]
   },
   {