Chains and heterogens:
PDB Chain Sequences:
>2gu4A (A:) assiktpediekmrvagrlaaevlemiepyvkpgvstgeldricndyivneqhavsaclg yhgypksvcisinevvchgipddakllkdgdivnidvtvikdgfhgdtskmfivgkptim gerlcritqeslylalrmvkpginlreigaaiqkfveaegfsvvreycghgigrgfheep qvlhydsretnvvlkpgmtftiepmvnagkkeirtmkdgwtvktkdrslsaqyehtivvt dngceiltlrkddtipaiishde
>2gu4A (A:) siktpediekmrvagrlaaevlemiepyvkpgvstgeldricndyivneqhavsaclgyh gypksvcisinevvchgipddakllkdgdivnidvtvikdgfhgdtskmfivgkptimge rlcritqeslylalrmvkpginlreigaaiqkfveaegfsvvreycghgigrgfheepqv lhydsretnvvlkpgmtftiepmvnagkkeirtmkdgwtvktkdrslsaqyehtivvtdn gceiltlrkddtipaiishde
>2gu4B (B:) assiktpediekmrvagrlaaevlemiepyvkpgvstgeldricndyivneqhavsaclg yhgypksvcisinevvchgipddakllkdgdivnidvtvikdgfhgdtskmfivgkptim gerlcritqeslylalrmvkpginlreigaaiqkfveaegfsvvreycghgigrgfheep qvlhydsretnvvlkpgmtftiepmvnagkkeirtmkdgwtvktkdrslsaqyehtivvt dngceiltlrkddtipaiishde
>2gu4B (B:) siktpediekmrvagrlaaevlemiepyvkpgvstgeldricndyivneqhavsaclgyh gypksvcisinevvchgipddakllkdgdivnidvtvikdgfhgdtskmfivgkptimge rlcritqeslylalrmvkpginlreigaaiqkfveaegfsvvreycghgigrgfheepqv lhydsretnvvlkpgmtftiepmvnagkkeirtmkdgwtvktkdrslsaqyehtivvtdn gceiltlrkddtipaiishde