Chains and heterogens:
PDB Chain Sequences:
>2atjA (A:) mqltptfydnscpnvsnivrdtivnelrsdpriaasilrlhfhdcfvngcdasilldntt sfrtekdafgnansargfpvidrmkaavesacprtvscadlltiaaqqsvtlaggpswrv plgrrdslqafldlananlpapfftlpqlkdsfrnvglnrssdlvalsgghtfgknqcrf imdrlynfsntglpdptlnttylqtlrglcplngnlsalvdfdlrtptifdnkyyvnlee qkgliqsdqelfsspnatdtiplvrsfanstqtffnafveamdrmgnitpltgtqgqirl ncrvvnsn
>2atjB (B:) mqltptfydnscpnvsnivrdtivnelrsdpriaasilrlhfhdcfvngcdasilldntt sfrtekdafgnansargfpvidrmkaavesacprtvscadlltiaaqqsvtlaggpswrv plgrrdslqafldlananlpapfftlpqlkdsfrnvglnrssdlvalsgghtfgknqcrf imdrlynfsntglpdptlnttylqtlrglcplngnlsalvdfdlrtptifdnkyyvnlee qkgliqsdqelfsspnatdtiplvrsfanstqtffnafveamdrmgnitpltgtqgqirl ncrvvnsn