>1bxtA (A:) observed residues (from ATOM records) ssqpdptpeqlnkssqftgvmgnlrclydnhfvegtnvrstgqllqhdlifpikdlklkn ydsvktefnskdlatkyknkdvdifgsnyyyncktcmyggvtehhrnqiegkfpnitvkv yednenilsfdittnkkqvtvqeldcktrkilvsrknlyefnnspyetgyikfiessgds fwydmmpapgaifdqskylmlyndnktvsssaiaievhltkk