May be involved in the biosynthesis of the oleandomycin lactone ring. MAEAEKLREYLWRATTELKEVSDRLRETEERAREPIAIVGMSCRFPGGGDATVNTPEQFWDLLNSGGDGIAGLPEDRGWDLGRLYDPDPDRAGTSYVREGGFLYDSGEFDAAFFGISPREALAMDPQQRLLLETSWEAFESAGIKRAALRGSDTGVYIGAWSTGYAGSPYRLVEGLEGQLAIGTTLGAASGRVAYTFGLEGPAVTVDTACSSSLVALHLAVQGLRRGECSLALVGGVTVMSSPVTLTTFSRQRGLSVDGRCKAFPASADGFGAAEGVGVLLVERLSDARRLGHRVLAVVRGSAVNQDGASNGLTAPNGPSQQRVIRAALADAGLAPADVDVVEAHGTGTRLGDPIEAQALLATYGQGRAGGRPVWLGSVKSNIGHTQAAAGVAGVMKMVLALGRGVVPKTLHVDEPSPHVDWSAGAVELLTEERPWEPEAERLRRAGISAFGVSGTNAHVIVEEAPAEPEPEPGTRVVAAGDLVVPWVVSGRDARALRAQAARLAAHVSGVSAVDVGWSLVATRSVFEHRAVAIGSELDSMAGSLAGFAAGGVVPGVVSGVAPAEGRRVVFVFPGQGSQWVGMAAGLLDACPVFAEAVAECAAVLDPVTGWSLVEVLQGRDATVLGRVDVVQPALWAVMVSLARTWRYYGVEPAAVVGHSQGEIAAACVAGGLSLADGARVVVLRSRAIARIAGGGGMVSVSLPAGRVRTMLEEFDGRLSVAAVNGPSSTVVSGDVQALDELLAGCEREGVRARRVPVDYASHSAQMDQLRDELLEALADITPQDSSVPFFSTVTADWLGTTALGAGYWFTNLRETVRFQEAVEGLVAQGMGAFVECSPHPVLVPGIEQTLDALDQNAAVFGSLRRDEGGLDRFLTSLAEAFVQGVPVDWSRAFEGVTPRTVDLPTYPFQRQHYWLMAEEAPVSQPPHSENSFWSVVADADAEAAAELLGVDVEAVEAVMPALSSWHRQSQLRAEVNQWRYDVAWKRLTTGALPEKPGNWLVVTPAGTDTTFAESLARTAAAELGVSVSFAQVDTAHPDRSQYAHALRQALTGPENVDHLVSLLALDQATDDLAAAPSCLAASLVLAQALVDLGRVGEGPRLWLVTRGAVVAGPSDAGAVIDPVQAQVWGFGRVLGLEHPELWGGLIDLPVGVDEEVCRRFVGVVASAGFEDQVAVRGSGVWVRRLVRAVVDGGGGGWRPRGTVLVTGGLGGLGAHTARWLVGGGADHVVLVSRRGGSAPGAGDLVRELEGLGGARVSVRACDVADRVALRALLSDLGEPVTAVFHAAGVPQSTPLAEISVQEAADVMAAKVAGAVNLGELVDPCGLEAFVLFSSNAGVWGSGGQAVYAAANAFLDALAVRRRGVGLPATSVAWGMWAGEGMASVGGAARELSRRGVRAMDPERAVAVMADAVGRGEAFVAVADVDWERFVTGFASARPRPLISDLPEVRAVVEGQVQGRGQGLGLVGEEESSGWLKRLSGLSRVRQEEELVELVRAQAAVVLGHGSAQDVPAERAFKELGFDSLTAVELRNGLAAATGIRLPATMAFDHPNATAIARFLQSQLLPDAESESAVPSSPEDEVRQALASLSLDQLKGAGLLDPLLALTRLREINSTVQNPEPTTESIDEMDGETCCAWRSAKSTAEPLTTGADMPDPTAKYVEALRASLKENERLRQQNHSLLAASREAIAITAMSCRFGGGIDSPEDLWRFLAEGRDAVAGLPEDRGWDLDALYHPDPENPGTTYVREGAFRYDAAQFDAGFFGISPREALAMDPQQRLLLETSWELFERADIDPYTVRGTATGIFIGAGHQGYGPDPKRAPESVAGYLLTGTASAVLSGRISYTFGLEGPAVTVDTACSSSLVALHLAVQALRRGECSLAIAGGVAVMSTPDAFVEFSRQQGMARDGRCKAFAAAADGMGWGEGVSLLLLERLSDARRLGHRVLAVVRGSAVNQDGASNGLAAPNGPSQQRVIRAALADAGLAPADVDVVEAHGTGTRLGDPIEAQALLATYGQGRAGGRPVWLGSVKSNIGHTQAAAGVAGVMKMVLALGRGVVPKTLHVDEPSPHVDWSAGAVELLTEERPWEPEAERLRRAGISAFGVSGTNAHVIVEEAPAEPEPEPGTRVVAAGDLVVPWVVSGRDVGALREQAARLAAHVSSTGAGVVDVGWSLVATRSVFEHRAVMVGTDLDSMAGSLAGFAAGGVVPGVVSGVAPAEGRRVVFVFPGQGSQWVGMAAGLLDACPVFAEAVAECAAVLDPVTGWSLVEVLQGRDATVLGRVDVVQPALWAVMVSLARTWRYYGVEPAAVVGHSQGEIAAACVAGGLSLADGARVVVLRSRAIARIAGGGGMVSVSLPAGRVRTMLDTYGGRVSVAAVNGPSSTVVSGDVQALDELLAGCEREGVRARRVPVDYASHSAQMDQLRDELLEALADITPQDSSVPFFSTVTADWLDTTALDAGYWFTNLRETVRFQEAVEGLVAQGMGAFVECSPHPVLVPGIEQTLDALDQNAAVLGSLRRDEGGLDRLLTSLAEAFVQGVPVDWTHAFEGVTPRTVDLPTYPFQRQRFWLDGSPASSANGVDGEADAMIWDAVEREDSVAVAEELGIDAEALHTVLPALSSWRRRRVEHRRLQDWRYRVEWKPFPAALDEVLGGGWLFVVPRGLADDGVVARVVAAVTARGGEVSVVELDPTRPDRRAYAEAVAGRGVSGVVSFLSWDDRRHSEHPVVPAGLAASLVLAQALVDLGRVGEGPRLWLVTRDAVVAGPSDAGAVIDPVQAQVWGFGRVLGLEHPELWGGLIDLPVEAPEPGSTCDHTYADLLATVVASAGFEDQVAVRGSGVWVRRLVRAVVDGGGGGWRPRGTVLVTGGLGGLGAHTARWLVGGGADHVVLVSRRGGSAPGAGDLVRELEGLGGARVSVRACDVADRVALRALLSDLGEPVTAVFHAAGVPQSTPLAEISVQEAADVMAAKVAGAVNLGELVDPCGLEAFVLFSSNAGVWGSGGQAVYAAANAFLDALAVRRRGVGLPATSVAWGMWAGEGMASVGGAARELSRRGVRAMDPERAVAVMADAVGRGEAFVAVADVDWERFVTGFASARPRPLISDLPEVRTALRNQEQEQLHAPVPEDRSAQLLRRLSMLSPAGREAELVKLVRTEAAAVLGHGSAQDVPAERAFKELGFDSLTAVQLRNRLAAATGTRLPASAVFDHPHAAALARWLLAGMRHADGGHGGGHAGGPGPDADEGRSAGAGHSGMLADLYRRSAELGRSREFIGLLADTAAFRPVFHGPADLDAPLEAVPLADGVRKPQLICCSGTAPVGGPHEFARLASFFRGTRAVSALPLPGYLPGEQLPADLDAVLAAQAEAVEKQTGGAPFVLVGYSAGGLMAHALACHLAGRGTPPSGEVLVDVYPPGRQEPVFGWQKELTEGMFAQDFVPMDDTRLTALGTYDRLMGEWRPAPSGLPTLLIRATEPMAEWTGAIDWRASWEYDHTAVDMPGNHFTIMREHAEDAARHIDVWLKGLTP Oleandomycin polyketide synthase, modules 5 and 6 3519 OL56_STRAT orfB