>2zrsD (D:) observed residues (from ATOM records)
qsflwnvfqrvdkdrsgvisdtelqqalsngtwtpfnpvtvrsiismfdrenkagvnfse
ftgvwkyitdwqnvfrtydrdnsgmidknelkqalsgfgyrlsdqfhdilirkfdrqgrg
qiafddfiqgcivlqrltdifrrydtdqdgwiqvsyeqylsmvf