>2o52A (A:) observed residues (from ATOM records) sdflfkflvigsagtgkscllhqfievefgsrvvnvggktvklqiwdtagqerfrsvtrs yyrgaagallvyditsretynslaawltdartlaspnivvilcgnkkdldperevtflea srfaqenelmfletsaltgenveeaflkcartilnkidsgeldperm