+E	Polyketide biosynthesis proteins	KO
#<h2><a href="/kegg/brite.html"><img src="/Fig/bget/kegg3.gif" align="middle" border=0></a>&nbsp; Polyketide Biosynthesis Proteins - Microcystis viridis</h2>
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A<b>Polyketide synthase (PKS)</b>
B  Modular type I PKS
C    cis-AT PKS
D      Erythronolide PKS
D      Oleandomycin synthase
D      Pikromycin PKS
D      Avermectin PKS
D      Tylactone synthase
D      Protomycinolide IV synthase
D      Niddamycin PKS
D      Rapamycin PKS
D      Immunomycin PKS
D      Ansamitocin PKS
D      Rifamycin PKS
D      Polyene macrolide PKS
D      Pimaricinolide synthase
D      Candicidin PKS
D      Soraphen PKS
D      Stigmatellin PKS
D      Mycolactone PKS
D      Coelimycin PKS
D      Aureothin PKS
D      Spectinabilin PKS
D      Phthiocerol / Phenolphthiocerol PKS
C    trans-AT PKS
D      Bacillanene hybrid PKS-NRPS
D      Macrolactin PKS
D      Difficidin PKS
D      Rhizoxin hybrid PKS-NRPS
D      Albicidin synthase, hybrid PKS-NRPS
B  Iterative type I PKS
C    Fungal nonreducing PKS (NR-PKS)
C    Fungal partially reducing PKS (PR-PKS)
C    Fungal highly reducing PKS (HR-PKS)
C    Fungal hybrid type
D      Zearalenone synthase
C    Bacterial type
D      myaer102_46860 beta ketoacyl-acyl carrier protein synthase	K15314 sgcE; enediyne polyketide synthase 
B  Type II PKS
C    C9-C14 cyclized polyketide type
D      Spore pigment PKS
C    C7-C14 cyclized polyketide type
D      Octaketide PKS
D      Nonaketide PKS
D      Decaketide PKS
B  Type III PKS
C    Plant type
C    Fungal type
C    Bacterial type
B  PKS-NRPS hybrid
C    Bacterial type (modular)
D      Myxalamid hybrid PKS-NRPS
D      Coronatine hybrid PKS-NRPS
D      Microcystin synthetase
E        myaer102_13350 mcyA; McyA protein	K16130 mcyA; microcystin synthetase protein McyA 
E        myaer102_13340 mcyB; McyB protein	K16131 mcyB; microcystin synthetase protein McyB 
E        myaer102_13330 mcyC; McyC protein	K16132 mcyC; microcystin synthetase protein McyC 
E        myaer102_13360 mcyD; McyD protein	K16128 mcyD; microcystin synthetase protein McyD 
E        myaer102_13370 mcyE; McyE protein	K16129 mcyE; microcystin synthetase protein McyE 
E        myaer102_13390 mcyG; McyG protein	K16127 mcyG; microcystin synthetase protein McyG 
D      Epothilone synthetase
D      Bleomycin synthetase
D      Colibactin synthetase
D      Myxothiazol hybrid PKS-NRPS
C    Fungal type (trans-ER, iterative)
D      Aspyridone synthetase
C    Fungal type (iterative)
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A<b>Nonribosomal peptide synthetase (NRPS)</b>
B  Linear NRPS
C    Emericellamide synthetase
C    Cyanopeptolin synthetase
D      myaer102_32160 mcnC; McnC protein	K28590 mcnC; cyanopeptolin synthetase 3,4,5,6 
D      myaer102_32150 mcnE; McnE protein	K28591 mcnE; cyanopeptolin synthetase 7 
C    ACV synthetase
C    Bacitracin synthetase
C    Viomycin synthetase
C    Pristinamycin I synthetase
C    Tyrocidine synthetase
C    Surfactin family lipopeptide synthetase
C    Iturin family lipopeptide synthetase
C    Fengycin family lipopeptide synthetase
C    Arthrofactin type cyclic lipopeptide synthetase
C    Vancomycin synthetase
C    Nocardicin synthetase
C    Bialaphos synthetase
C    L-2-amino-4-methoxy-trans-3-butenoic acid synthetase
C    Anabaenopeptin synthetase
C    Linear gramicidin synthetase
B  Iterative NRPS
C    Enterobactin synthetase
C    Bacillibactin synthetase
C    Gramicidin synthetase
B  Nonlinear NRPS
C    Yersiniabactin synthetase
C    Pyochelin synthetase
C    Mycobactin synthetase
C    Vibriobactin synthetase
C    Myxochelin synthetase
C    Petrobacin synthetase
C    Syringomycin synthetase
C    Vanchrobactin synthetase
C    Isonitrile lipopeptide synthase
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A<b>Polyketide tailoring proteins</b>
B  Hydrolase
C    myaer102_46790 hypothetical protein	K15315 sgcE10; enediyne core biosynthesis thioesterase 
B  Ketoreductase
B  Oxygenase
B  Methylase
B  Glycosyltransferase
B  Halogenase
B  beta-Branched incorporating proteins
B  Others
C    myaer102_46760 hypothetical protein	K21161 sgcE3; enediyne biosynthesis protein E3 
C    myaer102_46750 ASPIC/UnbV domain protein	K21162 sgcE4; enediyne biosynthesis protein E4 
C    myaer102_46870 hypothetical protein	K21163 sgcE5; enediyne biosynthesis protein E5 
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A<b>Nonribosomal peptide tailoring proteins</b>
B  Reductase
B  Thioesterase
B  Oxygenase
B  Glycosyltransferase
B  Aminotransferase
B  Others
C    myaer102_25690 cysteine desulfurase like	K04127 cefD; isopenicillin-N epimerase [EC:5.1.1.17] 
C    myaer102_13380 mcyF; McyF protein	K01779 racD; aspartate racemase [EC:5.1.1.13] 
C    myaer102_13420 mcyJ; McyJ protein	K16134 mcyJ; microcystin synthetase protein McyJ 
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#Last updated: December 18, 2025