>2no4B (B:) observed residues (from ATOM records)
lvdslracvfdaygtlldvhsavmrnadevgasaealsmlwrqrqleyswtrtlmhqyad
fwqltdealtfalrtyhledrkglkdrlmsaykelsaypdaaetleklksagyivailsn
gndemlqaalkaskldrvldsclsaddlkiykpdpriyqfacdrlgvnpnevcfvssnaw
dlggagkfgfntvrinrqgnppeyefaplkhqvnslselwpllakn