Chains and heterogens:
PDB Chain Sequences:
>1emm_ (-) lftgvvpilveldgdvnghkfsvsgegegdatygkltlkficttgklpvpwptlvttlsy gvqcfsrypdhmkrhdffksampegyvqertiffkddgnyktraevkfegdtlvnrielk gidfkedgnilghkleynynshnvyimadkqkngikvnfkirhniedgsvqladhyqqnt pigdgpvllpdnhylstqsalskdpnekrdhmvllefvtaagi