>1nxjA (A:) observed residues (from ATOM records) aisfrptadlvddigpdvrscdlqfrqfggrsqfagpistvrcfqdnallksvlsqpsag gvlvidgagslhtalvgdviaelarstgwtglivhgavrdaaalrgidigikalgtnprk stktgagerdveitlggvtfvpgdiaysdddgiivv