Chains and heterogens:
PDB Chain Sequences:
>1u1xA (A:) mgsshhhhhhssglvprgshmhnyviidafasvplegnpvavffdaddlppaqmqriare mnlsestfvlkprnggdaliriftpvnelpfaghpllgtaialgahtdnhrlyletqmgt iafelerqngsviaasmdqpiptwtalgrdaellkalgisdstfpieiyhngprhvfvgl psidalsalhpdhralsnfhdmaincfagagrrwrsrmfspaygvvedaatgsaagplai hlarhgqiefgqpveilqgveigrpslmfakaegraeqltrvevsgngvtfgrgtivl
>1u1xA (A:) mhnyviidafasvplegnpvavffdaddlppaqmqriaremnlsestfvlkprnggdali riftpvnelpfaghpllgtaialgahtdnhrlyletqmgtiafelerqngsviaasmdqp iptwtalgrdaellkalgisdstfpieiyhngprhvfvglpsidalsalhpdhralsnfh dmaincfagagrrwrsrmfspaygvvedaatgsaagplaihlarhgqiefgqpveilqgv eigrpslmfakaegraeqltrvevsgngvtfgrgtivl
>1u1xB (B:) mgsshhhhhhssglvprgshmhnyviidafasvplegnpvavffdaddlppaqmqriare mnlsestfvlkprnggdaliriftpvnelpfaghpllgtaialgahtdnhrlyletqmgt iafelerqngsviaasmdqpiptwtalgrdaellkalgisdstfpieiyhngprhvfvgl psidalsalhpdhralsnfhdmaincfagagrrwrsrmfspaygvvedaatgsaagplai hlarhgqiefgqpveilqgveigrpslmfakaegraeqltrvevsgngvtfgrgtivl
>1u1xB (B:) hmhnyviidafasvplegnpvavffdaddlppaqmqriaremnlsestfvlkprnggdal iriftpvnelpfaghpllgtaialgahtdnhrlyletqmgtiafelerqngsviaasmdq piptwtalgrdaellkalgisdstfpieiyhngprhvfvglpsidalsalhpdhralsnf hdmaincfagagrrwrsrmfspaygvvedaatgsaagplaihlarhgqiefgqpveilqg veigrpslmfakaegraeqltrvevsgngvtfgrgtivl