Chains and heterogens:
PDB Chain Sequences:
>2viuA (A:) statlclghhavpngtlvktitddqievtnatelvqssstgkicnnphrildgidctlid allgdphcdvfqnetwdlfverskafsncypydvpdyaslrslvassgtlefitegftwt gviqnggsnackrgpgsgffsrlnwltksgstypvlnvtmpnndnfdklyiwgihhpstn qeqtslyvqasgrvtvstrrsqqtiipnigsrpwvrglssrisiywtivkpgdvlvinsn gnliaprgyfkmrtgkssimrsdapidtcisecitpngsipndkpfqnvnkitygacpky vkqntlklatgmrnvpekqt