Update README.md

README.md

@@ -19,4 +19,5 @@ We excluded any sequences with `<`, `>`, or `?` in the binding site annotations.
 listed as binding sites in the labels (seen in the merged "Binding-Active Sites" column). We split any sequence longer than 1000 residues 
 into non-overlapping sections of 1000 amino acids or less after the train test split. This results in subsequences of the original protein 
 sequence that may be too short for consideration, and filtration of the dataset to exclude such subsequences or segment the longer sequences 
-in a more intelligent way may improve performance. 
+in a more intelligent way may improve performance. Pickle files containing only the train/test sequences and their binary labels are also available 
+and can be downloaded for training or validation of the train/test metrics.