Chains and heterogens:
PDB Chain Sequences:
>1kaeA (A:) msfntiidwnsctaeqqrqllmrpaisasesitrtvndildnvkargdealreysakfdk ttvtalkvsaeeiaaaserlsdelkqamavavknietfhtaqklppvdvetqpgvrcqqv trpvasvglyipggsaplfstvlmlatpasiagckkvvlcspppiadeilyaaqlcgvqd vfnvggaqaiaalafgtesvpkvdkifgpgnafvteakrqvsqrldgaaidmpagpsevl viadsgatpdfvasdllsqaehgpdsqvilltpaadmarrvaeaverqlaelpraetarq alnasrlivtkdlaqcveisnqygpehliiqtrnarelvdsitsagsvflgdwspesagd yasgtnhvlptygytatcsslgladfqkrmtvqelskegfsalastietlaaaerltahk navtlrvnalkeqa
>1kaeB (B:) msfntiidwnsctaeqqrqllmrpaisasesitrtvndildnvkargdealreysakfdk ttvtalkvsaeeiaaaserlsdelkqamavavknietfhtaqklppvdvetqpgvrcqqv trpvasvglyipggsaplfstvlmlatpasiagckkvvlcspppiadeilyaaqlcgvqd vfnvggaqaiaalafgtesvpkvdkifgpgnafvteakrqvsqrldgaaidmpagpsevl viadsgatpdfvasdllsqaehgpdsqvilltpaadmarrvaeaverqlaelpraetarq alnasrlivtkdlaqcveisnqygpehliiqtrnarelvdsitsagsvflgdwspesagd yasgtnhvlptygytatcsslgladfqkrmtvqelskegfsalastietlaaaerltahk navtlrvnalkeqa