>6A5G_1|Chains A, B, C, D|[4+2] and [4+6] cyclase StmD|Streptomyces seoulensis (73044) MAEITQELVAAAYEAVTCGDREKTALYWSEDLRFFAPGSHAGSGWRVGIDDFLSYVQDMLAASGGSWSMQPITLLINNEDGYSVDANRIHAVREGAPKDSTSPFDVLDISGVQMLKWENGKVVEGYGGIFGDGGTNYTQWWSPVDGAGERRYQLAAALEHHHHHH