Chains and heterogens:
PDB Chain Sequences:
>3njvA (A:) afgittsssayvidtnapnqlkftvsrsscditsiihygtelqyssqgshigsglgsatv tatqsgdyikvtcvtdtltqymvvhngdpiihmatyitaepsigelrfiarlnsdllpne epfgdvsttadgtaiegsdvflvgsetrsafysserfiddqrhciagdahrvcmilnqye sssggpfhrdinsnnggsynalywymnsghvqtesyrmglhgpysmyfsrsgtpstsidt sffadldikgyvaasgrgkvagtasgadssmdwvvhwyndaaqywtytsssgsftspamk pgtytmvyyqgeyavatssvtvsagstttknisgsvktgttifkigewdgqptgfrnaan qlrmhpsdsrmsswgpltytvgssaltdfpmavfksvnnpvtikftatsaqtgaatlrig ttlsfaggrpqatinsytgsapaaptnldsrgvtrgayrglgevydvsipsgtivagtnt itinvisgssgdtylspnfifdcvelfq