Chains and heterogens:
PDB Chain Sequences:
>1xymA (A:) syqptpedrftfglwtvgwqgrdpfgdatrpaldpvetvqrlaelgahgvtfhdddlipf gssdtereshikrfrqaldatgmtvpmattnlfthpvfkdggftandrdvrryalrktir nidlavelgaktyvawggregaesgaakdvrvaldrmkeafdllgeyvtsqgydtrfaik pkpneprgdillptvghalafierlerpelygvnpevgheqmaglnfphgiaqalwagkl fhidlngqsgikydqdlrfgagdlraafwlvdllesagyegprhfdfkpprtedidgvwa saagcmrnylilkeraaafradpevqealrasrldelaqptaadgvqelladrtafedfd vdaaaargmaferldqlamdhllgar
>1xymB (B:) syqptpedrftfglwtvgwqgrdpfgdatrpaldpvetvqrlaelgahgvtfhdddlipf gssdtereshikrfrqaldatgmtvpmattnlfthpvfkdggftandrdvrryalrktir nidlavelgaktyvawggregaesgaakdvrvaldrmkeafdllgeyvtsqgydtrfaik pkpneprgdillptvghalafierlerpelygvnpevgheqmaglnfphgiaqalwagkl fhidlngqsgikydqdlrfgagdlraafwlvdllesagyegprhfdfkpprtedidgvwa saagcmrnylilkeraaafradpevqealrasrldelaqptaadgvqelladrtafedfd vdaaaargmaferldqlamdhllgar