>1kk2A (A:) observed residues (from ATOM records)
srqaevnigmvghvdhgkttltkaltgvwtdseelrrgitikigfadaeirrcpncgrys
tspvcpycghetefvrrvsfidapghealmttmlagaslmdgailviaanepcprpqtre
hlmalqiigqkniiiaqnkielvdkekalenyrqikefiegtvaenapiipisalhgani
dvlvkaiedfiptpkrdpnkppkmlvlrsfdvnkpglvggvldgsivqgklkvgdeieir
pgvpyeehgrikyepitteivslqaggqfveeaypgglvgvgtkldpyltkgdlmagnvv
gkpgklppvwdslrlevhllervveqelkvepikrkevlllnvgtartmglvtglgkdei
evklqipvcaepgdrvaisrqigsrwrligygiike