Chains and heterogens:
PDB Chain Sequences:
>1zip_ (-) mnlvlmglpgagkgtqaekivaaygiphistgdmfraamkegtplglqakqymdrgdlvp devtigivrerlskddcqngflldgfprtvaqaealetmladigrkldyvihidvrqdvl merltgrricrncgatyhlifhppakpgvcdkcggelyqraddneatvanrlevnmkqmk plvdfyeqkgylrningeqdmekvfadirellgglar