Chains and heterogens:
PDB Chain Sequences:
>4qx3A (A:) dssttkdviqkgisvvgdllgvvgfpfggalvsfytnflntiwpsedpwkafmeqvealm dqkiadyaknkalaelqglqnnvedyvsalsswqknpvssrnphsqgrirelfsqaeshf rnsmpsfaisgyevlflttyaqaanthlfllkdaqiygeewgyekediaefykrqlkltq eytdhcvkwynvgldklrgssyeswvnfnryrremtltvldlialfplydvrlypkevkt eltrdvltdpivgvnnlrgygttfsnienyirkphlfdylhriqfhtrfqpgyygndsfn ywsgnyvstrpsigsndiitspfygnkssepvqnlefngekvyravantnlavwpsavys gvtkvefsqyndqtdeastqtydskrnvgavswdsidqlppettdeplekgyshqlnyvm cflmqgsrgtipvltwthksvdffnmidskkitqlplvkayklqsgasvvagprftggdi iqctengsaatiyvtpdvsysqkyrarihyastsqitftlsldgapfnqyyfdktinkgd tltynsfnlasfstpfelsgnnlqigvtglsagdkvyidkiefipvn
>4qx3A (A:) ttkdviqkgisvvgdllgvvgfpfggalvsfytnflntiwpsedpwkafmeqvealmdqk iadyaknkalaelqglqnnvedyvsalsswqknpvssrnphsqgrirelfsqaeshfrns mpsfaisgyevlflttyaqaanthlfllkdaqiygeewgyekediaefykrqlkltqeyt dhcvkwynvgldklrgssyeswvnfnryrremtltvldlialfplydvrlypkevktelt rdvltdpivgvnnlrgygttfsnienyirkphlfdylhriqfhtrfqpgyygndsfnyws gnyvstrpsigsndiitspfygnkssepvqnlefngekvyravantnlavwpsavysgvt kvefsqyndqtdeastqtydskrnvgavswdsidqlppettdeplekgyshqlnyvmcfl mqgsrgtipvltwthksvdffnmidskkitqlplvkayklqsgasvvagprftggdiiqc tengsaatiyvtpdvsysqkyrarihyastsqitftlsldgapfnqyyfdktinkgdtlt ynsfnlasfstpfelsgnnlqigvtglsagdkvyidkiefipvn