>4tlfA (A:) observed residues (from ATOM records)
lrldrlrqfigelatlldsrpdestllaqahpllaelvhqddwlpedcarpdpqryqqyl
lhvdsrqrfsvvsfvwgpgqitpvhdhrvwgligmlrgaeysqpyafdaggrphpsgarr
rlepgevealsprigdvhqvsnafsdrtsisihvyganigavrravfsaegeekpfisgy
snsrlpniwdlske