Chains and heterogens:
PDB Chain Sequences:
>4atjA (A:) mqltptfydnscpnvsnivrdtivnelrsdpriaasilrlhfedcfvngcdasilldntt sfrtekdafgnansargfpvidrmkaavesacprtvscadlltiaaqqsvtlaggpswrv plgrrdslqafldlananlpapfftlpqlkdsfrnvglnrssdlvalsgghtfgknqcrf imdrlynfsntglpdptlnttylqtlrglcplngnlsalvdfdlrtptifdnkyyvnlee qkgliqsdqelfsspnatdtiplvrsfanstqtffnafveamdrmgnitpltgtqgqirl ncrvvnsns
>4atjB (B:) mqltptfydnscpnvsnivrdtivnelrsdpriaasilrlhfedcfvngcdasilldntt sfrtekdafgnansargfpvidrmkaavesacprtvscadlltiaaqqsvtlaggpswrv plgrrdslqafldlananlpapfftlpqlkdsfrnvglnrssdlvalsgghtfgknqcrf imdrlynfsntglpdptlnttylqtlrglcplngnlsalvdfdlrtptifdnkyyvnlee qkgliqsdqelfsspnatdtiplvrsfanstqtffnafveamdrmgnitpltgtqgqirl ncrvvnsns