>4l0pB (B:) observed residues (from ATOM records) avadryavywnssnprfqrgdyhidvcindyldvfcphyedsvpedkteryvlymvnfdg ysacdhtskgfkrwecnrphspngplkfsekfqlftpfslgfefrpgreyfyissaipdn grrsclklkvfvrptnscm