Chains and heterogens:
PDB Chain Sequences:
>1gx2A (A:) mqltptfydnscpnvsnivrdtivnelrsdpriaasilrlhfhdcfvngcdasilldntt sfrtekdafgnansargfpvidrmkaavesacprtvscadlltiaaqqsvtlaggpswrv plgrrdslqafldlananlpapfftlpqlkdsfrnvglnrssdlvalsgghtfgknqcrs imdrlynfsntglpdptlnttylqtlrglcplngnlsalvdfdlrtptifdnkyyvnlee qkgliqsdqelfsspnatdtiplvrsfanstqtffnafveamdrmgnitpltgtqgqirl ncrvvnsns
>1gx2B (B:) mqltptfydnscpnvsnivrdtivnelrsdpriaasilrlhfhdcfvngcdasilldntt sfrtekdafgnansargfpvidrmkaavesacprtvscadlltiaaqqsvtlaggpswrv plgrrdslqafldlananlpapfftlpqlkdsfrnvglnrssdlvalsgghtfgknqcrs imdrlynfsntglpdptlnttylqtlrglcplngnlsalvdfdlrtptifdnkyyvnlee qkgliqsdqelfsspnatdtiplvrsfanstqtffnafveamdrmgnitpltgtqgqirl ncrvvnsns