>2ca2A (A:) observed residues (from ATOM records) hwgygkhngpehwhkdfpiakgerqspvdidthtakydpslkplsvsydqatslrilnng hafnvefddsqdkavlkggpldgtyrliqfhfhwgsldgqgsehtvdkkkyaaelhlvhw ntkygdfgkavqqpdglavlgiflkvgsakpglqkvvdvldsiktkgksadftnfdprgl lpesldywtypgslttppllecvtwivlkepisvsseqvlkfrklnfngegepeelmvdn wrpaqplknrqikasf