Chains and heterogens:
PDB Chain Sequences:
>1puiA (A:) mtnlnyqqthfvmsapdirhlpsdtgievafagrsnagkssalntltnqkslartsktpg rtqlinlfevadgkrlvdlpgygyaevpeemkrkwqralgeylekrqslqglvvlmdirh plkdldqqmiewavdsniavlvlltkadklasgarkaqlnmvreavlafngdvqvetfss lkkqgvdklrqkldtwfsemqpveetqdge
>1puiA (A:) fvmsapdirhlpsdtgievafagrsnagkssalntltnqqlinlfevadgkrlvdlpgyg emkrkwqralgeylekrqslqglvvlmdirhplkdldqqmiewavdsniavlvlltkadk lasgarkaqlnmvreavlafngdvqvetfsslkkqgvdklrqkldtwfs
>1puiB (B:) mtnlnyqqthfvmsapdirhlpsdtgievafagrsnagkssalntltnqkslartsktpg rtqlinlfevadgkrlvdlpgygyaevpeemkrkwqralgeylekrqslqglvvlmdirh plkdldqqmiewavdsniavlvlltkadklasgarkaqlnmvreavlafngdvqvetfss lkkqgvdklrqkldtwfsemqpveetqdge
>1puiB (B:) vmsapdirhlpsdtgievafagrsnagkssalntltnqlinlfevadgkrlvdlpgyrkw qralgeylekrqslqglvvlmdirhplkdldqqmiewavdsniavlvlltkadklasgar kaqlnmvreavlafngdvqvetfsslkkqgvdklrqkldtwfse