Chains and heterogens:
PDB Chain Sequences:
>6atjA (A:) qltptfydnscpnvsnivrdtivnelrsdpriaasilrlhfhdcfvngcdasilldntts frtekdafgnansargfpvidrmkaavesacprtvscadlltiaaqqsvtlaggpswrvp lgrrdslqafldlananlpapfftlpqlkdsfrnvglnrssdlvalsgghtfgknqcrfi mdrlynfsntglpdptlnttylqtlrglcplngnlsalvdfdlrtptifdnkyyvnleeq kgliqsdqelfsspnatdtiplvrsfanstqtffnafveamdrmgnitpltgtqgqirln crvvns