>1i9rA (A:) observed residues (from ATOM records)
npqiaahviseasskttsvlqwaekgyytmsnnlvtlengkqltvkrqglyyiyaqvtfc
snreassqapfiaslclkspgrferillraanthssakpcgqqsihlggvfelqpgasvf
vnvtdpsqvshgtgftsfgllkl