1.14.14.135 glyceollin synthase cyclization - Glycine max - 1.21.3.1 isopenicillin-N synthase cyclization - Actinomyces sp. - 1.3.3.11 pyrroloquinoline-quinone synthase cyclization - Deinococcus radiodurans - 1.3.3.11 pyrroloquinoline-quinone synthase cyclization - Escherichia coli - 1.3.3.11 pyrroloquinoline-quinone synthase cyclization - Klebsiella pneumoniae P27505, P27505 1.3.3.11 pyrroloquinoline-quinone synthase cyclization - Methylorubrum extorquens Q49150 1.3.3.11 pyrroloquinoline-quinone synthase cyclization - Streptomyces rochei - 2.3.1.161 lovastatin nonaketide synthase cyclization - Aspergillus terreus Q9Y8A5, Q9Y8A5 2.3.1.170 6'-deoxychalcone synthase cyclization - Glycyrrhiza echinata - 2.4.1.18 1,4-alpha-glucan branching enzyme cyclization - Bacillus cereus - 2.4.1.18 1,4-alpha-glucan branching enzyme cyclization - Geobacillus stearothermophilus - 2.4.1.18 1,4-alpha-glucan branching enzyme cyclization - Phaseolus vulgaris - 2.7.7.65 diguanylate cyclase cyclization - Anaplasma phagocytophilum Q2GKF8 2.7.7.65 diguanylate cyclase cyclization - Desulfotalea psychrophila Q6ARU5 2.7.7.65 diguanylate cyclase cyclization - Escherichia coli P0AA89 2.7.7.65 diguanylate cyclase cyclization - Pseudomonas syringae - 2.7.7.65 diguanylate cyclase cyclization - Rhizobium leguminosarum - 2.7.7.65 diguanylate cyclase cyclization - Thermotoga maritima Q9X2A8 3.3.2.9 microsomal epoxide hydrolase cyclization In the case of non-ladder polyethers, the majority of epoxide ring opening reactions proceed via attack at the proximal carbon (exo-tet cyclization) while polyether ladder formation requires attack at the distal carbon (endo-tet cyclization) Karenia brevis - 4.2.1.75 uroporphyrinogen-III synthase cyclization - Homo sapiens P10746 4.2.3.13 (+)-delta-cadinene synthase cyclization elimination of diphosphate Gossypium hirsutum - 4.2.3.16 (4S)-limonene synthase cyclization stereo-specific Mentha spicata - 4.2.3.17 taxadiene synthase cyclization - Alternaria sp. - 4.2.3.17 taxadiene synthase cyclization - Mucor sp. - 4.2.3.17 taxadiene synthase cyclization - Ozonium - 4.2.3.17 taxadiene synthase cyclization - Phoma sp. - 4.2.3.17 taxadiene synthase cyclization - Taxus baccata Q93YA3 4.2.3.17 taxadiene synthase cyclization - Taxus chinensis Q9FT37 4.2.3.18 abieta-7,13-diene synthase cyclization bifunctional enzyme that catalyzes two sequential cyclization reactions (class I and clas II synthase reaction) in distinct active sites Abies grandis - 4.2.3.19 ent-kaurene synthase cyclization - Arabidopsis thaliana Q9SAK2 4.2.3.19 ent-kaurene synthase cyclization - Physcomitrium patens A5A8G0 4.2.3.20 (R)-limonene synthase cyclization - Lavandula angustifolia Q2XSC6 4.2.3.20 (R)-limonene synthase cyclization - Nepeta tenuifolia Q9FUW5, Q9FUW5 4.2.3.22 germacradienol synthase cyclization - Streptomyces avermitilis Q82L49 4.2.3.22 germacradienol synthase cyclization - Streptomyces coelicolor Q9X839 4.2.3.24 amorpha-4,11-diene synthase cyclization - Artemisia annua Q9AR04, Q9AR04 4.2.3.32 levopimaradiene synthase cyclization - Ginkgo biloba Q947C4 4.2.3.35 syn-pimara-7,15-diene synthase cyclization - Oryza sativa - 4.2.3.35 syn-pimara-7,15-diene synthase cyclization - Picea abies Q675L5 4.2.3.37 epi-isozizaene synthase cyclization - Streptomyces coelicolor Q9K498 4.2.3.4 3-dehydroquinate synthase cyclization - Escherichia coli P07639 4.2.3.4 3-dehydroquinate synthase cyclization - Helicobacter pylori P56081 4.2.3.4 3-dehydroquinate synthase cyclization - Mycobacterium tuberculosis P9WPX9 4.2.3.4 3-dehydroquinate synthase cyclization - Xanthomonas oryzae - 4.2.3.6 trichodiene synthase cyclization - Fusarium sporotrichioides P13513 4.2.3.7 pentalenene synthase cyclization - Streptomyces exfoliatus Q55012 4.2.3.9 aristolochene synthase cyclization - Aspergillus terreus Q9UR08, Q9UR08 4.2.3.9 aristolochene synthase cyclization - Escherichia coli - 4.2.3.9 aristolochene synthase cyclization - Penicillium roqueforti Q03471, Q03471 5.4.99.17 squalene-hopene cyclase cyclization - Alicyclobacillus acidocaldarius - 5.4.99.31 thalianol synthase cyclization - Arabidopsis thaliana - 5.5.1.12 copalyl diphosphate synthase cyclization bifunctional enzyme that catalyzes two sequential cyclization reactions in distinct active sites Abies grandis - 5.5.1.20 prosolanapyrone-III cycloisomerase cyclization the Diels-Alder reaction is a [4+2] cycloaddition reaction in which a cyclohexene ring is formed between a 1,3-diene and an electron-deficient alkene via a single pericyclic transition state Saccharopolyspora spinosa - 5.5.1.24 tocopherol cyclase cyclization - Capsicum annuum - 6.5.1.4 RNA 3'-terminal-phosphate cyclase (ATP) cyclization - Escherichia coli -