Chains and heterogens:
PDB Chain Sequences:
>2vi9A (A:) mkylpqqdpqvfaaieqerkrqhakieliasenfvsravmeaqgsvltnkyaegypgrry yggceyvdiveelarerakqlfgaehanvqphsgaqanmavyftvlehgdtvlgmnlshg ghlthgspvnfsgvqynfvaygvdpethvidyddvrekarlhrpklivaaaaaypriidf akfreiadevgaylmvdmahiaglvaaglhpnpvpyahfvtttthktlrgprggmilcqe qfakqidkaifpgiqggplmhviaakavafgealqddfkayakrvvdnakrlasalqneg ftlvsggtdnhlllvdlrpqqltgktaekvldevgitvnkntipydpespfvtsgirigt aavttrgfgleemdeiaaiiglvlknvgseqaleearqrvaaltd