Chains and heterogens:
PDB Chain Sequences:
>2fkpA (A:) mahtgrmfkieaaeivvarlplkfrfetsfgvqthkvvpllilhgegvqgvaegtmearp myreetiagaldllrgtflpailgqtfanpeavsdalgsyrgnrmaramvemaawdlwar tlgvplctllgghkeqvevgvslgiqadeqatvdlvrrhveqgyrriklkikpgwdvqpv ratreafpdirltvdansaytladagrlrqldeydltyieqplawddlvdhaelarrirt plcldesvasasdarkalalgaggvinlkvarvgghaesrrvhdvaqsfgapvwcggmle sgigrahnihlsclsnfrlpgdtssasrywerdliqepleavdglmpvpqgpgtgvtldr eflatvteaqeehra
>2fkpA (A:) rmfkieaaeivvarlplkthkvvpllilhgegvqgvaegtmearpmyreetiagaldllr gtflpailgqtfanpeavsdalgsyrgnrmaramvemaawdlwartlgvplctllgghke qvevgvslgiqadeqatvdlvrrhveqgyrriklkikpgwdvqpvratreafpdirltvd ansaytladagrlrqldeydltyieqplawddlvdhaelarrirtplcldesvasasdar kalalgaggvinlkvarvgghaesrrvhdvaqsfgapvwcggmlesgigrahnihlscls nfrlpgdtssasrywerdliqepleavdglmpvpqgpgtgvtldreflatvteaqeehra
>2fkpB (B:) mahtgrmfkieaaeivvarlplkfrfetsfgvqthkvvpllilhgegvqgvaegtmearp myreetiagaldllrgtflpailgqtfanpeavsdalgsyrgnrmaramvemaawdlwar tlgvplctllgghkeqvevgvslgiqadeqatvdlvrrhveqgyrriklkikpgwdvqpv ratreafpdirltvdansaytladagrlrqldeydltyieqplawddlvdhaelarrirt plcldesvasasdarkalalgaggvinlkvarvgghaesrrvhdvaqsfgapvwcggmle sgigrahnihlsclsnfrlpgdtssasrywerdliqepleavdglmpvpqgpgtgvtldr eflatvteaqeehra
>2fkpB (B:) rmfkieaaeivvarlplkthkvvpllilhgegvqgvaegtmearpmyreetiagaldllr gtflpailgqtfanpeavsdalgsyrgnrmaramvemaawdlwartlgvplctllgghke qvevgvslgiqadeqatvdlvrrhveqgyrriklkikpgwdvqpvratreafpdirltvd ansaytladagrlrqldeydltyieqplawddlvdhaelarrirtplcldesvasasdar kalalgaggvinlkvarvgghaesrrvhdvaqsfgapvwcggmlesgigrahnihlscls nfrlpgdtssasrywerdliqepleavdglmpvpqgpgtgvtldreflatvteaqeehra
>2fkpC (C:) mahtgrmfkieaaeivvarlplkfrfetsfgvqthkvvpllilhgegvqgvaegtmearp myreetiagaldllrgtflpailgqtfanpeavsdalgsyrgnrmaramvemaawdlwar tlgvplctllgghkeqvevgvslgiqadeqatvdlvrrhveqgyrriklkikpgwdvqpv ratreafpdirltvdansaytladagrlrqldeydltyieqplawddlvdhaelarrirt plcldesvasasdarkalalgaggvinlkvarvgghaesrrvhdvaqsfgapvwcggmle sgigrahnihlsclsnfrlpgdtssasrywerdliqepleavdglmpvpqgpgtgvtldr eflatvteaqeehra
>2fkpC (C:) rmfkieaaeivvarlplkthkvvpllilhgegvqgvaegtmearpmyreetiagaldllr gtflpailgqtfanpeavsdalgsyrgnrmaramvemaawdlwartlgvplctllgghke qvevgvslgiqadeqatvdlvrrhveqgyrriklkikpgwdvqpvratreafpdirltvd ansaytladagrlrqldeydltyieqplawddlvdhaelarrirtplcldesvasasdar kalalgaggvinlkvarvgghaesrrvhdvaqsfgapvwcggmlesgigrahnihlscls nfrlpgdtssasrywerdliqepleavdglmpvpqgpgtgvtldreflatvteaqeehra
>2fkpD (D:) mahtgrmfkieaaeivvarlplkfrfetsfgvqthkvvpllilhgegvqgvaegtmearp myreetiagaldllrgtflpailgqtfanpeavsdalgsyrgnrmaramvemaawdlwar tlgvplctllgghkeqvevgvslgiqadeqatvdlvrrhveqgyrriklkikpgwdvqpv ratreafpdirltvdansaytladagrlrqldeydltyieqplawddlvdhaelarrirt plcldesvasasdarkalalgaggvinlkvarvgghaesrrvhdvaqsfgapvwcggmle sgigrahnihlsclsnfrlpgdtssasrywerdliqepleavdglmpvpqgpgtgvtldr eflatvteaqeehra
>2fkpD (D:) rmfkieaaeivvarlplkthkvvpllilhgegvqgvaegtmearpmyreetiagaldllr gtflpailgqtfanpeavsdalgsyrgnrmaramvemaawdlwartlgvplctllgghke qvevgvslgiqadeqatvdlvrrhveqgyrriklkikpgwdvqpvratreafpdirltvd ansaytladagrlrqldeydltyieqplawddlvdhaelarrirtplcldesvasasdar kalalgaggvinlkvarvgghaesrrvhdvaqsfgapvwcggmlesgigrahnihlscls nfrlpgdtssasrywerdliqepleavdglmpvpqgpgtgvtldreflatvteaqeehra