Chains and heterogens:
PDB Chain Sequences:
>3matA (A:) aisiktpediekmrvagrlaaevlemiepyvkpgvstgeldricndyivneqhavsaclg yhgypksvcisinevvchgipddakllkdgdivnidvtvikdgfhgdtskmfivgkptim gerlcritqeslylalrmvkpginlreigaaiqkfveaegfsvvreycghgigqgfheep qvlhydsretnvvlkpgmtftiepmvnagkkeirtmkdgwtvktkdrslsaqyehtivvt dngceiltlrkddtipaiishdel