>3ussB (B:) observed residues (from ATOM records)
silrldrlrqfigelatlldsrpdestllaqahpllaelvhqddwlpedcarpdpqryqq
yllhvdsrqrfsvvsfvwgpgqitpvhdhrvwgligmlrgaeysqpyafdaggrphpsga
rrrlepgevealsprigdvhqvsnafsdrtsisihvyganigavrravfsaegeekpfis
gysnsrlpniwdlske