Chains and heterogens:
PDB Chain Sequences:
>6s3jA (A:) srandapivllhgftgwgreemfgfkywggvrgdieqwlndngyrtytlavgplssnwdr aceayaqlvggtvdygaahaakhgharfgrtypgllpelkrggrihiiahsqggqtarml vsllengsqecreyakahnvslsplcegghhfvlsvttiatphdgttlvnmvdftdrffd lqkavlkaaavasnvpytsqvydfkldqwglrrqpgesfdqyferlkrspvwtstdtary dlsvpgaeklnqwvkaspntyylsfatertyrgaltgnyypelgmnafsavvcapflgsy rnatlgiddrwlendgivnafsmngpkrgstdrivpydgtikkgvwndmgtynvdhlevi gvdpnplfdirafylrlaeqlaslqphhhhhh