Chains and heterogens:
PDB Chain Sequences:
>1ctnA (A:) aapgkptiawgntkfaivevdqaataynnlvkvknaadvsvswnlwngdtgttakillng keawsgpstgssgtanfkvnkggryqmqvalcnadgctasdateivvadtdgshlaplke plleknkpykqnsgkvvgsyfvewgvygrnftvdkipaqnlthllygfipicggnginds lkeiegsfqalqrscqgredfkisihdpfaalqkaqkgvtawddpykgnfgqlmalkqah pdlkilpsiggwtlsdpfffmgdkvkrdrfvgsvkeflqtwkffdgvdidwefpggkgan pnlgspqdgetyvllmkelramldqlstetgrkyeltsaisagkdkidkvaynvaqnsmd hiflmsydfygafdlknlghqtalnapawkpdtayttvngvnallaqgvkpgkivvgtam ygrgwtgvngyqnnipftgtatgpvkgtwengivdyrqiagqfmsgewqytydataeapy vfkpstgdlitfddarsvqakgkyvldkqlgglfsweidadngdilnsmnaslgnsagvq
>1ctnA (A:) aapgkptiawgntkfaivevdqaataynnlvkvknaadvsvswnlwngdtgttakillng keawsgpstgssgtanfkvnkggryqmqvalcnadgctasdateivvadtdgshlaplke plleknkpykqnsgkvvgsyfvewgvygrnftvdkipaqnlthllygfipicggnginds lkeiegsfqalqrscqgredfkisihdpfaalqkaqkgvtawddpykgnfgqlmalkqah pdlkilpsiggwtlsdpfffmgdkvkrdrfvgsvkeflqtwkffdgvdidwefpggkgan pnlgspqdgetyvllmkelramldqlstetgrkyeltsaisagkdkidkvaynvaqnsmd hiflmsydfygafdlknlghqtalnapawkpdtayttvngvnallaqgvkpgkivvgtam ygrgwtgvngyqnnipftgtatgpvkgtwengivdyrqiagqfmsgewqytydataeapy vfkpstgdlitfddarsvqakgkyvldkqlgglfsweidadngdilnsmnaslgnsag