Before revision: The direct-coupling analysis is a powerful method for protein contact prediction, and enables us to extract ``direct'' correlations between distant sites that are latent in ``indirect'' correlations observed in a protein multiple-sequence alignment.
After revision: The direct-coupling analysis is a powerful method for protein contact prediction, and enables us to extract "direct" correlations between distant sites that are latent in ``indirect'' correlations observed in a protein multiple-sequence alignment.