The feature subset selection of protein sequence data in a bacteria knowledge base refers to the process of identifying a relevant and informative subset of features from a large set of protein sequence data for further analysis and modeling.Protein sequences play a crucial role in understanding the function and characteristics of bacteria. However, these sequences often contain a large number of features or variables, which can make analysis and modeling computationally expensive and prone to overfitting. Feature subset selection aims to address these challenges by selecting a smaller subset of features that capture the most relevant information while discarding redundant or irrelevant ones.