Chains and heterogens:
PDB Chain Sequences:
>4an0A (A:) mlsfqypdvyrdetaiqdyhghkvcdpyawledpdseqtkafveaqnkitvpfleqcpir glykermtelydypkyschfkkgkryfyfyntglqnqrvlyvqdslegearvfldpnils ddgtvalrgyafsedgeyfayglsasgsdwvtikfmkvdgakelpdvlervkfscmawth dgkgmfynaypqqdgksdgtetstnlhqklyyhvlgtdqsedilcaefpdepkwmggael sddgryvllsiregcdpvnrlwycdlqqesngitgilkwvklidnfegeydyvtnegtvf tfktnrhspnyrlinidftdpeeskwkvlvpehekdvlewvacvrsnflvlcylhdvknt lqlhdlatgallkifplevgsvvgysgqkkdteifyqftsflspgiiyhcdltkeelepr vfrevtvkgidasdyqtvqifypskdgtkipmfivhkkgikldgshpaflygyggfnisi tpnysvsrlifvrhmggvlavanirgggeygetwhkggilankqncfddfqcaaeylike gytspkrltinggsnggllvatcanqrpdlfgcviaqvgvmdmlkfhkytighawttdyg csdskqhfewlikysplhnvklpeaddiqypsmllltadhddrvvplhslkfiatlqyiv grsrkqnnpllihvdtkaghgagkptakvieevsdmfafiarclnidwip