>4kz8B (B:) observed residues (from ATOM records)
qindivhrtitplieqqkipgmavaviyqgkpyyftwgyadiakkqpvtqqtlfelgsvs
ktftgvlggdaiargeiklsdpttkywpeltakqwngitllhlatytagglplqvpdevk
sssdllrfyqnwqpawapgtqrlyanssiglfgalavkpsglsfeqamqtrvfqplklnh
twinvppaeeknyawgyregkavhvspgaldaeaygvkstiedmarwvqsnlkpldinek
tlqqgiqlaqsrywqtgdmyqglgwemldwpvnpdsiingsdnkialaarpvkaitpptp
avraswvhktgatggfgsyvafipekelgivmlanknypnparvdaawqilnalq