>2w2aA (A:) observed residues (from ATOM records)
tktfktlddflgthfiytydngweyewyakndhtvdyrihggmvagrwvtdqkadivmlt
egiykiswteptgtdvaldfmpnekklhgtiffpkwveehpeitvtyqnehidlmeqsre
kyatypklvvpefanitymgdagqnnedviseapykempndirngkyfdqnyhrl