Chains and heterogens:
PDB Chain Sequences:
>1u75A (A:) mittplvhvasvekgrsyedfqkvynaialklreddeydnyigygpvlvrlawhisgtwd khdntggsyggtyrfkkefndpsnaglqngfkflepihkefpwissgdlfslggvtavqe mqgpkipwrcgrvdtpedttpdngrlpdadkdagyvrtffqrlnmndrevvalmgahalg kthlknsgyegpwgaannvftnefylnllnedwklekndanneqwdsksgymmlptdysl iqdpkylsivkeyandqdkffkdfskafekllengitfpkdapspfifktleeqgl
>1u75A (A:) ttplvhvasvekgrsyedfqkvynaialklreddeydnyigygpvlvrlawhisgtwdkh dntggsyggtyrfkkefndpsnaglqngfkflepihkefpwissgdlfslggvtavqemq gpkipwrcgrvdtpedttpdngrlpdadkdagyvrtffqrlnmndrevvalmgahalgkt hlknsgyegpwgaannvftnefylnllnedwklekndanneqwdsksgymmlptdysliq dpkylsivkeyandqdkffkdfskafekllengitfpkdapspfifktleeqgl
>1u75B (B:) gdvekgkkifvqkcaqchtvekggkhktgpnlhglfgrktgqapgftytdanknkgitwk eetlmeylenpkkyipgtkmifagikkkteredliaylkkatne
>1u75C (C:) mittplvhvasvekgrsyedfqkvynaialklreddeydnyigygpvlvrlawhisgtwd khdntggsyggtyrfkkefndpsnaglqngfkflepihkefpwissgdlfslggvtavqe mqgpkipwrcgrvdtpedttpdngrlpdadkdagyvrtffqrlnmndrevvalmgahalg kthlknsgyegpwgaannvftnefylnllnedwklekndanneqwdsksgymmlptdysl iqdpkylsivkeyandqdkffkdfskafekllengitfpkdapspfifktleeqgl
>1u75C (C:) ittplvhvasvekgrsyedfqkvynaialklreddeydnyigygpvlvrlawhisgtwdk hdntggsyggtyrfkkefndpsnaglqngfkflepihkefpwissgdlfslggvtavqem qgpkipwrcgrvdtpedttpdngrlpdadkdagyvrtffqrlnmndrevvalmgahalgk thlknsgyegpwgaannvftnefylnllnedwklekndanneqwdsksgymmlptdysli qdpkylsivkeyandqdkffkdfskafekllengitfpkdapspfifktleeqgl