>1i2hA (A:) observed residues (from ATOM records) efmgeqpifstrahvfqidpntkknwvptskhavtvsyfydstrnvyriisldgskaiin stitpnmtftktsqkfgqwadsrantvyglgfssehhlskfaekfqefkeaarlakeksk meltstpsgdlqspltpe