>6m64A (A:) observed residues (from ATOM records)
pvtysepafwcsiayyelnqrvgetfhasqpsltvdgftdpsnserfclgllsnvnrnat
vemtrrhigrgvrlyyiggevfaeclsdsaifvqspncnqrygwhpatvckippgcnlki
fnnqefaallaqsvnqgfeavyqltrmctirmsfvkgwgaeyrrqtvtstpcwielhlng
plqwldkvltqmgspsvrcseme