TY - RPRT TI - Registering alpha-helices and beta-strands using backbone C-H...O interactions. AU - S Kumar Singh AU - M Madan Babu AU - P Balaram PY - 2003 DO - 10.1002/prot.10245 UR - https://pubmed.ncbi.nlm.nih.gov/12660986/ ID - 12660986 ER -