>6d4aB (B:) observed residues (from ATOM records)
dpnfwlqvqesvtvqeglcvlvpctffhpipyydknspvhgywfregaiisrdspvatnk
ldqevqeetqgrfrllgdpsrnncslsivdarrrdngsyffrmergstkysykspqlsvh
vtdl