>1mk2A (A:) observed residues (from ATOM records)
dlqpvtycepafwcsisyyelnqrvgetfhasqpsmtvdgftdpsnserfclgllsnvnr
naaveltrrhigrgvrlyyiggevfaeclsdsaifvqspncnqrygwhpatvckippgcn
lkifnnqefaallaqsvnqgfeavyqltrmctirmsfvkgwgaeyrrqtvtstpcwielh
lngplqwldkvltqmgs