Chains and heterogens:
PDB Chain Sequences:
>3lck_ (-) kpwwedewevpretlklverlgagqfgevwmgyynghtkvavkslkqgsmspdaflaean lmkqlqhqrlvrlyavvtqepiyiiteymengslvdflktpsgikltinklldmaaqiae gmafieernyihrdlraanilvsdtlsckiadfglarliedneytaregakfpikwtape ainygtftiksdvwsfgillteivthgripypgmtnpeviqnlergyrmvrpdncpeely qlmrlcwkerpedrptfdylrsvledfftat