Chains and heterogens:
PDB Chain Sequences:
>6fhfA (A:) tigsefkphisalnapslaqrykdyfyigaavepyqttkekdakmlqrhfnmivaenamk paaleptegnfqwadadrivqfakengmelrfhtlvwhnqtpdwffldregkpmveetdp qkreenrelllqrlenhiravvlrykddiknwdvvnevvepndpggmrnspwyqitgtey ievafraareaggediklymndynteqepkreyiyrlikkllekgvpidgvghqahvtid rppvdeikktiqrfadlgldnqiteldvslygwpprpayptydaipeerfqaqadryrql felfeelkdhisavtfwgiadnhtwlddrareyndgvgkdapfvfdpnyrvkpaywaiin hk
>6fhfA (A:) gsefkphisalnapslaqrykdyfyigaavepyqttkekdakmlqrhfnmivaenamkpa aleptegnfqwadadrivqfakengmelrfhtlvwhnqtpdwffldregkpmveetdpqk reenrelllqrlenhiravvlrykddiknwdvvnevvepndpggmrnspwyqitgteyie vafraareaggediklymndynteqepkreyiyrlikkllekgvpidgvghqahvtidrp pvdeikktiqrfadlgldnqiteldvslygwpprpayptydaipeerfqaqadryrqlfe lfeelkdhisavtfwgiadnhtwlddrareyndgvgkdapfvfdpnyrvkpaywaiinhk