>2zrsH (H:) observed residues (from ATOM records)
sflwnvfqrvdkdrsgvisdtelqqalsngtwtpfnpvtvrsiismfdrenkagvnfsef
tgvwkyitdwqnvfrtydrdnsgmidknelkqalsgfgyrlsdqfhdilirkfdrqgrgq
iafddfiqgcivlqrltdifrrydtdqdgwiqvsyeqylsmvf