Chains and heterogens:
PDB Chain Sequences:
>1eft_ (-) akgefirtkphvnvgtighvdhgkttltaaltfvtaaenpnvevkdygdidkapeerarg itintahveyetakrhyshvdcpghadyiknmitgaaqmdgailvvsaadgpmpqtrehi llarqvgvpyivvfmnkvdmvddpelldlvemevrdllnqyefpgdevpvirgsallale emhknpktkrgenewvdkiwelldaideyiptpvrdvdkpflmpvedvftitgrgtvatg riergkvkvgdeveivglapetrktvvtgvemhrktlqegiagdnvglllrgvsreever gqvlakpgsitphtkfeasvyvlkkeeggrhtgffsgyrpqfyfrttdvtgvvrlpqgve mvmpgdnvtftvelikpvaleeglrfaireggrtvgagvvtkile