>1i9rC (C:) observed residues (from ATOM records) npqiaahviseasskttsvlqwaekgyytmsnnlvtlengkqltvkrqglyyiyaqvtfc snreassqapfiaslclkspgrferillraanthssakpcgqqsihlggvfelqpgasvf vnvtdpsqvshgtgftsfgllkl