Before revision:  However, seldom has been done to improve the protein representation learning, while current approaches have manifest flaw of lacking the ability of learning amino acids long-distance interactions , which are essential for determine the proteins properties due to protein folding.
After revision:  However, seldom has been done to improve the protein representation learning, while current approaches have manifest flaw of lacking the ability of learning amino acids long-distance interactions , which are essential for characterizing the structural properties arising from the protein folding.