Chains and heterogens:
PDB Chain Sequences:
>1qj4A (A:) mafahfvlihtichgawiwhklkpllealghkvtaldlaasgvdprqieeigsfdeysep lltflealppgekvilvgescgglniaiaadkycekiaaavfhnsvlpdtehcpsyvvdk lmevfpdwkdttyftytkdgkeitglklgftllrenlytlcgpeeyelakmltrkgslfq nilakrpfftkegygsikkiyvwtdqdeiflpefqlwqienykpdkvykveggdhklqlt ktkeiaeilqevadtyn
>1qj4A (A:) afahfvlihtichgawiwhklkpllealghkvtaldlaasgvdprqieeigsfdeysepl ltflealppgekvilvgescgglniaiaadkycekiaaavfhnsvlpdtehcpsyvvdkl mevfpdwkdttyftytkdgkeitglklgftllrenlytlcgpeeyelakmltrkgslfqn ilakrpfftkegygsikkiyvwtdqdeiflpefqlwqienykpdkvykveggdhklqltk tkeiaeilqevadtyn