Chains and heterogens:
PDB Chain Sequences:
>1khzA (A:) mlkpdnlpvtfgkndveiiaretlyrgffsldlyrfrhrlfngqmshevrreiferghaa vllpfdpvrdevvlieqiriaaydtsetpwllemvagmieegesvedvarreaieeagli vkrtkpvlsflaspggtserssimvgevdattasgihgladenedirvhvvsreqayqwv eegkidnaasvialqwlqlhhqalknewa
>1khzA (A:) mlkpdnlpvtfgkndveiiaretlyrgffsldlyrfrhrlfngqmshevrreiferghaa vllpfdpvrdevvlieqiriaaydtsetpwllemvagmieegesvedvarreaieeagli vkrtkpvlsflaspggtserssimvgevdattasladenedirvhvvsreqayqwveegk idnaasvialqwlqlhhqalknewa
>1khzB (B:) mlkpdnlpvtfgkndveiiaretlyrgffsldlyrfrhrlfngqmshevrreiferghaa vllpfdpvrdevvlieqiriaaydtsetpwllemvagmieegesvedvarreaieeagli vkrtkpvlsflaspggtserssimvgevdattasgihgladenedirvhvvsreqayqwv eegkidnaasvialqwlqlhhqalknewa
>1khzB (B:) pvtfgkndveiiaretlyrgffsldlyrfrhrlfngqmshevrreiferghaavllpfdp vrdevvlieqiriaaydtsetpwllemvagmieegesvedvarreaieeaglivkrtkpv lsflaspggtserssimvgevdattasgihgladenedirvhvvsreqayqwveegkidn aasvialqwlqlhhqalknewa