Chains and heterogens:
PDB Chain Sequences:
>1tq4A (A:) mgqlfsspksdenndlpssftgyfkkfntgrkiisqeilnlielrmragniqltnsaisd alkeidssvlnvavtgetgsgkssfintlrgigneeegaaktgvvevtmerhpykhpnip nvvfwdlpgigstnfppdtylekmkfyeydffiiisatrfkkndidiakaismmkkefyf vrtkvdsditneadgepqtfdkekvlqdirlncvntfrengiaeppifllsnknvchydf pvlmdklisdlpiykrhnfmvslpnitdsviekkrqflkqriwlegfaadlvniipsltf lldsdletlkksmkfyrtvfgvdetslqrlardweievdqveamikspavfkptdeetiq erlsryiqefclangyllpknsflkeifylkyyfldmvtedaktllkeiclrn
>1tq4A (A:) ndlpssftgyfkkfntgrkiisqeilnlielrmragniqltnsaisdalkeidssvlnva vtgetgsgkssfintlrgigneeegaaktgvmerhpykhpnipnvvfwdlpgigstnfpp dtylekmkfyeydffiiisatrfkkndidiakaismmkkefyfvrtkvdsditneadgep qtfdkekvlqdirlncvntfrengiaeppifllsnknvchydfpvlmdklisdlpiykrh nfmvslpnitdsviekkrqflkqriwlegfaadlvniipsltflldsdletlkksmkfyr tvfgvdetslqrlardweievdqveamikspavfkptdeetiqerlsryiqefclangyl lpknsflkeifylkyyfldmvtedaktllkeiclrn