>4IMP_1|Chains A, B, C, D|Polyketide synthase extender modules 3-4|Saccharopolyspora spinosa (60894) MGSSHHHHHHSSGLVPRGSHMAASDEARAVSDPAAGWFWQAVARQDLKSVSDALDLDADAPLSATLPALSVWHRQERERVLADGWRYRVDWVRVAPQPVRRTRETWLLVVPPGGIEEALVERLTDALNTRGISTLRLDVPPAATSGELATELRAAADGDPVKAILSLTALDERPHPECKDVPSGIALLLNLVKALGEADLRIPLWTITRGAVKAGPADRLLRPMQAQAWGLGRVAALEHPERWGGLIDLPDSLDGDVLTRLGEALTNGLAEDQLAIRQSGVLARRLVPAPANQPAGRKWRPRGSALITGGLGAVGAQVARWLAEIGAERIVLTSRRGNQAAGAAELEAELRALGAQVSIVACDVTDRAEMSALLAEFDVTAVFHAAGVGRLLPLAETDQNGLAEICAAKVRGAQVLDELCDSTDLDAFVLFSSGAGVWGGGGQGAYGAANAFLDTLAEQRRARGLPATSISWGSWAGGGMADGAAGEHLRRRGIRPMPAASAILALQEVLDQDETCVSIADVDWDRFVPTFAATRATRLFDEVPAARKAMPANGPAEPGGSPFARNLAELPEAQRRHELV