Chains and heterogens:
PDB Chain Sequences:
>2dlnA (A:) mtdkiavllggtsaerevslnsgaavlaglreggidaypvdpkevdvtqlksmgfqkvfi alhgrggedgtlqgmlelmglpytgsgvmasalsmdklrskllwqgaglpvapwvaltra efekglsdkqlaeisalglpvivkpsregssvgmskvvaenalqdalrlafqhdeevlie kwlsgpeftvailgeeilpsiriqpsgtfydyeakylsdetqyfcpagleasqeanlqal vlkawttlgckgwgridvmldsdgqfylleantspgmtshslvpmaarqagmsfsqlvvr ilelad