Chains and heterogens:
PDB Chain Sequences:
>1f9vA (A:) gnirvycrirpalknlensdtslinvnefddnsgvqsmevtkiqntaqvhefkfdkifdq qdtnvdvfkevgqlvqssldgynvcifaygqtgsgktftmlnpgdgiipstishifnwin klktkgwdykvncefieiynenivdllrsdnnnkedtsiglkheirhdqetktttitnvt sckleseemveiilkkanklrstastasnehssashsifiihlsgsnaktgahsygtlnl vdlagserinvsqvvgdrlretqninkslsclgdvihalgqpdstkrhipfrnskltyll qysltgdsktlmfvnispssshinetlnslrfaskvnstrlv
>1f9vA (A:) gnirvycrirpalknlensdtslinvnefddnsgvqsmevtkiqntaqvhefkfdkifdq qdtnvdvfkevgqlvqssldgynvcifaygqtgsgktftmlnpgdgiipstishifnwin klktkgwdykvncefieiynenivdllrkheirhdqetktttitnvtsckleseemveii lkkanehssashsifiihlsgsnagahsygtlnlvdlagserinvsqvvgdrlretqnin kslsclgdvihalgqpdrhipfrnskltyllqysltgdsktlmfvnispssshinetlns lrfaskvnstrlv