Chains and heterogens:
PDB Chain Sequences:
>1akoA (A:) mkfvsfninglrarphqleaivekhqpdviglqetkvhddmfpleevaklgynvfyhgqk ghygvalltketpiavrrgfpgddeeaqrriimaeipsllgnvtvingyfpqgesrdhpi kfpakaqfyqnlqnyletelkrdnpvlimgdmnisptdldigigeenrkrwlrtgkcsfl peerewmdrlmswglvdtfrhanpqtadrfswfdyrskgfddnrglridlllasqplaec cvetgidyeirsmekpsdhapvwatfrr