Chains and heterogens:
PDB Chain Sequences:
>1f9uA (A:) gnirvycrirpalknlensdtslinvnefddnsgvqsmevtkiqntaqvhefkfdkifdq qdtnvdvfkevgqlvqssldgynvcifaygqtgsgktftmlnpgdgiipstishifnwin klktkgwdykvncefieiynenivdllrsdnnnkedtsiglkheirhdqetktttitnvt sckleseemveiilkkanklrstastasnehssrshsifiihlsgsnaktgahsygtlnl vdlagserinvsqvvgdrlretqnikkslsclgdvihalgqpdstkrhipfrnskltyll qysltgdsktlmfvnispssshinetlnslrfaskvns
>1f9uA (A:) gnirvycrirpalknlensdtslinvnefddnsgvqsmevtkiqntaqvhefkfdkifdq qdtnvdvfkevgqlvqssldgynvcifaygqtgsgktftmlnpgdgiipstishifnwin klktkgwdykvncefieiynenivdllkheirhdqetktttitnvtsckleseemveiil kkanklrstastasnehssrshsifiihlsgsnaktgahsygtlnlvdlagserrlretq nikkslsclgdvihalgqphipfrnskltyllqysltgdsktlmfvnispssshinetln slrfaskvns