Chains and heterogens:
PDB Chain Sequences:
>1pgrA (A:) mtplgpasslpqsfllkcleqvrkiqgdgaalqeklcatyklchpeelvllghslgipwa plsscpsqalqlagclsqlhsglflyqgllqalegispelgptldtlqldvadfattiwq qmeelgmapalqptqgampafasafqrraggvlvashlqsflevsyrvlrhlaqp
>1pgrA (A:) asslpqsfllkcleqvrkiqgdgaalqeklcatyklchpeelvllghslgipwaplsscp sqalqlagclsqlhsglflyqgllqalegispelgptldtlqldvadfattiwqqmeelg maampafasafqrraggvlvashlqsflevsyrvlrhlaqp
>1pgrB (B:) agyppaspsnlsclmhlttnslvcqwepgpethlptsfilksfrsradcqyqgdtipdcv akkrqnncsiprknlllyqymaiwvqaenmlgssespklcldpmdvvkleppmlqaldig pdvvshqpgclwlswkpwkpseymeqecelryqpqlkganwtlvfhlpsskdqfelcglh qapvytlqmrcirsslpgfwspwspglqlrptmka
>1pgrB (B:) agyppaspsnlsclmhlttnslvcqwepgpethlptsfilksfrsradcqyqgdtipdcv akkrqnncsiprknlllyqymaiwvqaenmlgssespklcldpmdvkleppmlqaldigp dqpgclwlswkpwkpseymeqecelryqpqlkganwtlvfhlpsskdqfelcglhqapvy tlqmrcirsslpgfwspwspglqlrptm
>1pgrC (C:) mtplgpasslpqsfllkcleqvrkiqgdgaalqeklcatyklchpeelvllghslgipwa plsscpsqalqlagclsqlhsglflyqgllqalegispelgptldtlqldvadfattiwq qmeelgmapalqptqgampafasafqrraggvlvashlqsflevsyrvlrhlaqp
>1pgrC (C:) sslpqsfllkcleqvrkiqgdgaalqeklcatyklchpeelvllghslgipwaplsscps qlagclsqlhsglflyqgllqalegispelgptldtlqldvadfattiwqqmeelgmapa lqptqgampafasafqrraggvlvashlqsflevsyrvlrhlaqp
>1pgrD (D:) agyppaspsnlsclmhlttnslvcqwepgpethlptsfilksfrsradcqyqgdtipdcv akkrqnncsiprknlllyqymaiwvqaenmlgssespklcldpmdvvkleppmlqaldig pdvvshqpgclwlswkpwkpseymeqecelryqpqlkganwtlvfhlpsskdqfelcglh qapvytlqmrcirsslpgfwspwspglqlrptmka
>1pgrD (D:) yppaspsnlsclmhlttnslvcqwepgpettsfilksfrsradcqyqgdtipdcvakkrq nncsiprknlllyqymaiwvqaenmlgssespklcldpmdvkleppmlqaldiqpgclwl swkpwkpseymeqecelryqpqlkganwtlvfhlpsskdqfelcglhqapvytlqmrcir sslpgfwspwspglqlrptm
>1pgrE (E:) mtplgpasslpqsfllkcleqvrkiqgdgaalqeklcatyklchpeelvllghslgipwa plsscpsqalqlagclsqlhsglflyqgllqalegispelgptldtlqldvadfattiwq qmeelgmapalqptqgampafasafqrraggvlvashlqsflevsyrvlrhlaqp
>1pgrE (E:) gpasslpqsfllkcleqvrkiqgdgaalqeklcatyklchpeelvllghslgipwaplss cpsqalqlagclsqlhsglflyqgllqalegispelgptldtlqldvadfattiwqqmee lgmaampafasafqrraggvlvashlqsflevsyrvlrhlaqp
>1pgrF (F:) agyppaspsnlsclmhlttnslvcqwepgpethlptsfilksfrsradcqyqgdtipdcv akkrqnncsiprknlllyqymaiwvqaenmlgssespklcldpmdvvkleppmlqaldig pdvvshqpgclwlswkpwkpseymeqecelryqpqlkganwtlvfhlpsskdqfelcglh qapvytlqmrcirsslpgfwspwspglqlrptmka
>1pgrF (F:) agyppaspsnlsclmhlttnslvcqwepgpethlptsfilksfrsradcqyqgdtipdcv akkrqnncsiprknlllyqymaiwvqaenmlgssespklcldpmdvkleppmlqaldigp dhqpgclwlswkpwkpseymeqecelryqpqlkganwtlvfhlpsskdqfelcglhqapv ytlqmrcirsslpgfwspwspglqlrptm
>1pgrG (G:) mtplgpasslpqsfllkcleqvrkiqgdgaalqeklcatyklchpeelvllghslgipwa plsscpsqalqlagclsqlhsglflyqgllqalegispelgptldtlqldvadfattiwq qmeelgmapalqptqgampafasafqrraggvlvashlqsflevsyrvlrhlaqp
>1pgrG (G:) sslpqsfllkcleqvrkiqgdgaalqeklcatyklchpeelvllghslgipwaplsscps qlagclsqlhsglflyqgllqalegispelgptldtlqldvadfattiwqqmeelgmapa lqptqgampafasafqrraggvlvashlqsflevsyrvlrhlaqp
>1pgrH (H:) agyppaspsnlsclmhlttnslvcqwepgpethlptsfilksfrsradcqyqgdtipdcv akkrqnncsiprknlllyqymaiwvqaenmlgssespklcldpmdvvkleppmlqaldig pdvvshqpgclwlswkpwkpseymeqecelryqpqlkganwtlvfhlpsskdqfelcglh qapvytlqmrcirsslpgfwspwspglqlrptmka
>1pgrH (H:) yppaspsnlsclmhlttnslvcqwepgpettsfilksfrsradcqyqgdtipdcvakkrq nncsiprknlllyqymaiwvqaenmlgssespklcldpmdvkleppmlqaldiqpgclwl swkpwkpseymeqecelryqpqlkganwtlvfhlpsskdqfelcglhqapvytlqmrcir sslpgfwspwspglqlrptm