Chains and heterogens:
PDB Chain Sequences:
>1txkA (A:) mfsiddvakqaqslagkgyetpksnlpsvfrdmkyadyqqiqfnhdkaywnnlktpfkle fyhqgmyfdtpvkinevtatavkrikyspdyftfgdvqhdkdtvkdlgfagfkvlypins kdkndeivsmlgasyfrvigagqvyglsarglaidtalpsgeefprfkefwierpkptdk rltiyalldspratgaykfvvmpgrdtvvdvqskiylrdkvgklgvapltsmflfgpnqp spannyrpelhdsnglsihagngewiwrplnnpkhlavssfsmenpqgfgllqrgrdfsr fedlddrydlrpsawvtpkgewgkgsvelveiptndetndnivaywtpdqlpepgkemnf kytitfsrdedklhapdnawvqqtrrstgdvkqsnlirqpdgtiafvvdftgaemkklpe dtpvtaqtsigdngeivestvrynpvtkgwrlvmrvkvkdakkttemraalvnadqtlse twsyqlpanevehhhhhh
>1txkA (A:) fsiddvakqaqslagkgyetpksnlpsmkyadyqqiqfnhdkaywnnlktpfklefyhqg myfdtpvkinevtatavkrikyspdyftfgdvqhdkdtvkdlgfagfkvlypinskdknd eivsmlgasyfrvigagqvyglsarglaidtalpsgeefprfkefwierpkptdkrltiy alldspratgaykfvvmpgrdtvvdvqskiylrdkvgklgvapltsmflfgpnqpspann yrpelhdsnglsihagngewiwrplnnpkhlavssfsmenpqgfgllqrgrdfsrfedld drydlrpsawvtpkgewgkgsvelveiptndetndnivaywtpdqlpepgkemnfkytit fsrdedklhapdnawvqqtrrstgdvkqsnlirqpdgtiafvvdftgaemkklpedtpvt aqtsigdngeivestvrynpvtkgwrlvmrvkvkdakkttemraalvnadqtlsetwsyq lpanevehhh
>1txkB (B:) mfsiddvakqaqslagkgyetpksnlpsvfrdmkyadyqqiqfnhdkaywnnlktpfkle fyhqgmyfdtpvkinevtatavkrikyspdyftfgdvqhdkdtvkdlgfagfkvlypins kdkndeivsmlgasyfrvigagqvyglsarglaidtalpsgeefprfkefwierpkptdk rltiyalldspratgaykfvvmpgrdtvvdvqskiylrdkvgklgvapltsmflfgpnqp spannyrpelhdsnglsihagngewiwrplnnpkhlavssfsmenpqgfgllqrgrdfsr fedlddrydlrpsawvtpkgewgkgsvelveiptndetndnivaywtpdqlpepgkemnf kytitfsrdedklhapdnawvqqtrrstgdvkqsnlirqpdgtiafvvdftgaemkklpe dtpvtaqtsigdngeivestvrynpvtkgwrlvmrvkvkdakkttemraalvnadqtlse twsyqlpanevehhhhhh
>1txkB (B:) mfsiddvakqaqslagkgyetpksnlpsmkyadyqqiqfnhdkaywnnlktpfklefyhq gmyfdtpvkinevtatavkrikyspdyftfgdvqhdkdtvkdlgfagfkvlypinskdkn deivsmlgasyfrvigagqvyglsarglaidtalpsgeefprfkefwierpkptdkrlti yalldspratgaykfvvmpgrdtvvdvqskiylrdkvgklgvapltsmflfgpnqpspan nyrpelhdsnglsihagngewiwrplnnpkhlavssfsmenpqgfgllqrgrdfsrfedl ddrydlrpsawvtpkgewgkgsvelveiptndetndnivaywtpdqlpepgkemnfkyti tfsrdedklhapdnawvqqtrrstgdvkqsnlirqpdgtiafvvdftgaemkklpedtpv taqtsigdngeivestvrynpvtkgwrlvmrvkvkdakkttemraalvnadqtlsetwsy qlpanev