>4zo4D (D:) observed residues (from ATOM records) amknaffvtasiacgkstfieianslgfksisadkiahkildenalelekifspfslknl lkkekkidrkilgeivfnnkeakkilenfthpkirakileqmqildkenkaffveiplfe nlgkviviytpkelslkrimqrdklsleaakarldsqidieeklkkadfiikntnsyadf rqecvkviqeiskg