Chains and heterogens:
PDB Chain Sequences:
>6fzdA (A:) srandapivllhgftgwgreemfgfkywggvrgdieqwlndngyrtytlavgplssnwdr aceayaqlvggtvdygaahaakhgharfgrtypgllpelkrggrihiiahsqggqtarml vsllengsqeereyakahnvslsplfegghhfvlsvttiatphdgttlvnmvdftdrffd fqkfvlkaaavasnvpytsqvydfkldqwglrrqpgesfdqyferlkrspvwtstdtary dlsvpgaeklnqwvkaspntyylsfatertyrgaltgnyypelgmnafsavvcapflgsy rnatlgiddrwlendgivnafsmngpkrgstdrivpydgtikkgvwndmgtynvdhfevi gvdpnplfdirafylrlaeqlaslqphhhhhh