Chains and heterogens:
PDB Chain Sequences:
>1knqA (A:) msttnhdhhiyvlmgvsgsgksavasevahqlhaafldgdflhprrniekmasgeplndd drkpwlqalndaafamqrtnkvslivcsalkkhyrdllregnpnlsfiylkgdfdviesr lkarkghffktqmlvtqfetlqepgadetdvlvvdidqplegvvastievikkgk
>1knqA (A:) ttnhdhhiyvlmgvsgsgksavasevahqlhaafldgdflhprrniekmasgeplndddr kpwlqalndaafamqrtnkvslivcsalkkhyrdllregnpnlsfiylkgdfdviesrlk arkghffktqmlvtqfetlqepgadetdvlvvdidqplegvvastievikk
>1knqB (B:) msttnhdhhiyvlmgvsgsgksavasevahqlhaafldgdflhprrniekmasgeplndd drkpwlqalndaafamqrtnkvslivcsalkkhyrdllregnpnlsfiylkgdfdviesr lkarkghffktqmlvtqfetlqepgadetdvlvvdidqplegvvastievikkgk
>1knqB (B:) ttnhdhhiyvlmgvsgsgksavasevahqlhaafldgdflhprrniekmasgeplndddr kpwlqalndaafamqrtnkvslivcsalkkhyrdllregnpnlsfiylkgdfdviesrlk arkghffktqmlvtqfetlqepgadetdvlvvdidqplegvvastievikk