Chains and heterogens:
PDB Chain Sequences:
>1mc0A (A:) ytdhdrkilqlcgelfdldatslqlkvlqylqqetqathcclllvsednlqlsckvigdk vlgeevsfpltmgrlgqvvedkqciqlkdltsddvqqlqnmlgcelqamlcvpvisratd qvvalacafnklggdfftdedehviqhcfhytgtvltstlafqkeqklkcecqallqvak nlfthlddvsvllqeiitearnlsnaeicsvflldqnelvakvfdggvvddesyeiripa dqgiaghvattgqilnipdayahplfyrgvddstgfrtrnilcfpiknenqevigvaelv nkingpwfskfdedlatafsiycgisiahsllykkvneaqy