>4XRT_1|Chains A, B|StfQ Aromatase/Cyclase|Streptomyces steffisburgensis (68271) MGSSHHHHHHSSGLVPRGSHMPTLGKDTLQYTATVAAPAPLVFDLVAGLENWPQFHGPSVHAEPLGRRDGAEEFQHWWVIDDRTVRTWRARWRFDSQALRIGYTYDPAEPAAPAQHGEWTFRRLSDASTEVRVEYELLGDEGDAALADRELRELVDCVTDAAERHEERRDLVVDFEDPLFVAGAVDDAYTYLYEADKWPERIPHVARLVMEERVPNIQFFDMDTTTPDGSAHTTRSVRVCLPGDKIVYKQIQLPKLLTGHTGHWKFTPTREGFVLGARHTATIKPSALPILGEGTTVLDARKYLRRVLSANSMGNLRLAKAFAEERAGV