Chains and heterogens:
PDB Chain Sequences:
>1lw7A (A:) ekkvgvifgkfypvhtghinmiyeafskvdelhvivcsdtvrdlklfydskmkrmptvqd rlrwmqqifkyqknqifihhlvedgipsypngwqswseavktlfhekhfepsivfssepq dkapyekylglevslvdpdrtffnvsatkirttpfqywkfipkearpffaktvailgges sgksvlvnklaavfnttsaweygrefvfeklggdeqamqysdypqmalghqryidyavrh shkiafidtdfittqafciqyegkahpfldsmikeypfdvtillknntewvddglrslgs qkqrqqfqqllkklldkykvpyieiespsyldrynqvkaviekvlneeeiselqn
>1lw7A (A:) ekkvgvifgkfypvhtghinmiyeafskvdelhvivcsdtvrdlklfydskmkrmptvqd rlrwmqqifkyqknqifihhlvedgipsypngwqswseavktlfhekhfepsivfssepq dkapyekylglevslvdpdrtffnvsatkirttpfqywkfipkearpffaktvailgges sgksvlvnklaavfnttsaweygrefvfeklggdeqamqysdypqmalghqryidyavrh shkiafidtdfittqafciqyegkahpfldsmikeypfdvtillknnteqkqrqqfqqll kklldkykvpyieiespsyldrynqvkaviekvlneeeiselqn