>1pgrF (F:) observed residues (from ATOM records)
agyppaspsnlsclmhlttnslvcqwepgpethlptsfilksfrsradcqyqgdtipdcv
akkrqnncsiprknlllyqymaiwvqaenmlgssespklcldpmdvkleppmlqaldigp
dhqpgclwlswkpwkpseymeqecelryqpqlkganwtlvfhlpsskdqfelcglhqapv
ytlqmrcirsslpgfwspwspglqlrptm