Chains and heterogens:
PDB Chain Sequences:
>1huyA (A:) dpmvskgeelftgvvpilveldgdvnghkfsvsgegegdatygkltlkficttgklpvpw ptlvttfxlmcfarypdhmkrhdffksampegyvqertiffkddgnyktraevkfegdtl vnrielkgidfkedgnilghkleynynshnvyimadkqkngikvnfkirhniedgsvqla dhyqqntpigdgpvllpdnhylsyqsalskdpnekrdhmvllefvtaagit