Add missing protein_seq value so code block works end-to-end

README.md

@@ -54,6 +54,9 @@ model.eval()
 # Load Tokenizer
 tokenizer_op = ModularTokenizerOp.from_pretrained("ibm/biomed.omics.bl.sm.ma-ted-458m.protein_solubility")
 
+# protein_seq: FASTA sequence of a protein, input for the model to predict its solubility
+protein_seq = "NLMKRCTRGFRKLGKCTTLEEEKCKTLYPRGQCTCSDSKMNTHSCDCKSC"
+
 # convert to MAMMAL style
 sample_dict = {"protein_seq": protein_seq}
 sample_dict = ProteinSolubilityTask.data_preprocessing(