Chains and heterogens:
PDB Chain Sequences:
>3q4tA (A:) mghhhhhhssgvdlgtenlyfqsmplqllevkargrfgcvwkaqllneyvavkifpiqdk qswqneyevyslpgmkhenilqfigaekrgtsvdvdlwlitafhekgslsdflkanvvsw nelchiaetmarglaylhedipglkdghkpaishrdiksknvllknnltaciadfglalk feagksagdthgqvgtrrymapevlegainfqrdaflridmyamglvlwelasrctaadg pvdeymlpfeeeigqhpsledmqevvvhkkkrpvlrdywqkhagmamlcetieecwdhda earlsagcvgeritqmqrltni
>3q4tA (A:) lgtenlyfqsmplqllevkargrfgcvwkaqllneyvavkifpiqdkqswqneyevyslp gmkhenilqfigaekrgtsvdvdlwlitafhekgslsdflkanvvswnelchiaetmarg laylhedipglkdghkpaishrdiksknvllknnltaciadfglalkfeagksagdthgq vgtrrymapevlegainfqrdaflridmyamglvlwelasrctaadgpvdeymlpfeeei gqhpsledmqevvvhkkkrpvlrdywqkhagmamlcetieecwdhdaearlsagcvgeri tqmqr
>3q4tB (B:) mghhhhhhssgvdlgtenlyfqsmplqllevkargrfgcvwkaqllneyvavkifpiqdk qswqneyevyslpgmkhenilqfigaekrgtsvdvdlwlitafhekgslsdflkanvvsw nelchiaetmarglaylhedipglkdghkpaishrdiksknvllknnltaciadfglalk feagksagdthgqvgtrrymapevlegainfqrdaflridmyamglvlwelasrctaadg pvdeymlpfeeeigqhpsledmqevvvhkkkrpvlrdywqkhagmamlcetieecwdhda earlsagcvgeritqmqrltni
>3q4tB (B:) sgvdlgtenlyfqsmplqllevkargrfgcvwkaqllneyvavkifpiqdkqswqneyev yslpgmkhenilqfigaekrgtsvdvdlwlitafhekgslsdflkanvvswnelchiaet marglaylhedipglkdghkpaishrdiksknvllknnltaciadfglalkfeagksath gqvgtrrymapevlegainfqrdaflridmyamglvlwelasrctaadgpvdeymlpfee eigqhpsledmqevvvhkkkrpvlrdywqkhagmamlcetieecwdhdaearlsagcvge ritqmqrl