Chains and heterogens:
PDB Chain Sequences:
>7a1aA (A:) mgsshhhhhhssglvprgshmlgkialeeafalprfeektrwwaslfstdaethvkeitd inkiriehadkhgvgyqilsytapgvqdiwdpveaqalaveindyiaeqvrvnpdrfgaf atlsmhnpkeaadelrrcvekygfkgalvndtqragpdgddmifydnadwdifwqtctel dvpfymhprnptgtiyeklwadrkwlvgpplsfahgvslhvlgmvtngvfdrhpklqiim ghlgehvpfdmwrinhwfedrkkllglaetckktirdyfaeniwittsghfstttlnfcm aevgsdrilfsidypfetfsdacewfdnaelngtdrlkigrenakklfkldsykdssa
>7a1aA (A:) hmlgkialeeafalprfeektrwwaslfstdaethvkeitdinkiriehadkhgvgyqil sytapgvqdiwdpveaqalaveindyiaeqvrvnpdrfgafatlsmhnpkeaadelrrcv ekygfkgalvndtqragpdgddmifydnadwdifwqtcteldvpfymhprnptgtiyekl wadrkwlvgpplsfahgvslhvlgmvtngvfdrhpklqiimghlgehvpfdmwrinhwfe drkkllglaetckktirdyfaeniwittsghfstttlnfcmaevgsdrilfsidypfetf sdacewfdnaelngtdrlkigrenakklfkldsykdssa
>7a1aB (B:) mgsshhhhhhssglvprgshmlgkialeeafalprfeektrwwaslfstdaethvkeitd inkiriehadkhgvgyqilsytapgvqdiwdpveaqalaveindyiaeqvrvnpdrfgaf atlsmhnpkeaadelrrcvekygfkgalvndtqragpdgddmifydnadwdifwqtctel dvpfymhprnptgtiyeklwadrkwlvgpplsfahgvslhvlgmvtngvfdrhpklqiim ghlgehvpfdmwrinhwfedrkkllglaetckktirdyfaeniwittsghfstttlnfcm aevgsdrilfsidypfetfsdacewfdnaelngtdrlkigrenakklfkldsykdssa
>7a1aB (B:) hmlgkialeeafalprfeektrwwaslfstdaethvkeitdinkiriehadkhgvgyqil sytapgvqdiwdpveaqalaveindyiaeqvrvnpdrfgafatlsmhnpkeaadelrrcv ekygfkgalvndtqragpdgddmifydnadwdifwqtcteldvpfymhprnptgtiyekl wadrkwlvgpplsfahgvslhvlgmvtngvfdrhpklqiimghlgehvpfdmwrinhwfe drkkllglaetckktirdyfaeniwittsghfstttlnfcmaevgsdrilfsidypfetf sdacewfdnaelngtdrlkigrenakklfkldsykdssa