>1i9rB (B:) observed residues (from ATOM records)
npqiaahviseasskttsvlqwaekgyytmsnnlvtlengkqltvkrqglyyiyaqvtfc
snreassqapfiaslclkspgrferillraanthssakpcgqqsihlggvfelqpgasvf
vnvtdpsqvshgtgftsfgllkl