Chains and heterogens:
PDB Chain Sequences:
>1gxrA (A:) dyfqgamgskpaysfhvtadgqmqpvpfppdaligpgiprharqintlnhgevvcavtis nptrhvytggkgcvkvwdishpgnkspvsqldclnrdnyirsckllpdgctlivggeast lsiwdlaaptprikaeltssapacyalaispdskvcfsccsdgniavwdlhnqtlvrqfq ghtdgascidisndgtklwtggldntvrswdlregrqlqqhdftsqifslgycptgewla vgmessnvevlhvnkpdkyqlhlhescvlslkfaycgkwfvstgkdnllnawrtpygasi fqskesssvlscdisvddkyivtgsgdkkatvyeviy
>1gxrA (A:) dyfqgamgskpaysfhvtadgqmqpvpfppdaligpgiprharqintlnhgevvcavtis nptrhvytggkgcvkvwdishpgnkspvsqldclnrdnyirsckllpdgctlivggeast lsiwdlaaprikaeltssapacyalaispdskvcfsccsdgniavwdlhnqtlvrqfqgh tdgascidisndgtklwtggldntvrswdlregrqlqqhdftsqifslgycptgewlavg messnvevlhvnkpdkyqlhlhescvlslkfaycgkwfvstgkdnllnawrtpygasifq skesssvlscdisvddkyivtgsgdkkatvyeviy
>1gxrB (B:) dyfqgamgskpaysfhvtadgqmqpvpfppdaligpgiprharqintlnhgevvcavtis nptrhvytggkgcvkvwdishpgnkspvsqldclnrdnyirsckllpdgctlivggeast lsiwdlaaptprikaeltssapacyalaispdskvcfsccsdgniavwdlhnqtlvrqfq ghtdgascidisndgtklwtggldntvrswdlregrqlqqhdftsqifslgycptgewla vgmessnvevlhvnkpdkyqlhlhescvlslkfaycgkwfvstgkdnllnawrtpygasi fqskesssvlscdisvddkyivtgsgdkkatvyeviy
>1gxrB (B:) dyfqgamgskpaysfhvmqpvpfppdaligpgiprharqintlnhgevvcavtisnptrh vytggkgcvkvwdishkspvsqldclnrdnyirsckllpdgctlivggeastlsiwdlap rikaeltssapacyalaispdskvcfsccsdgniavwdlhnqtlvrqfqghtdgascidi sndgtklwtggldntvrswdlregrqlqqhdftsqifslgycptgewlavgmessnvevl hkpdkyqlhlhescvlslkfaycgkwfvstgkdnllnawrtpygasifqskesssvlscd isvddkyivtgsgdkkatvyeviy