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5 malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + 5 CoA + 5 CO2 + H2O
acetoacetyl-CoA
4-hydroxy-6-methyl-2-pyrone + CoA + CO2 + H2O
acetoacetyl-CoA + 2 malonyl-CoA
4-hydroxy-6-methyl-2-pyrone + CoA + CO2 + H2O
acetoacetyl-CoA + methylmalonyl-CoA
3,6-dimethyl-4-hydroxy-2-pyrone + CoA + CO2 + H2O
-
Substrates: -
Products: -
?
acetyl-CoA
? + CoA + CO2 + H2O
-
Substrates: -
Products: -
?
acetyl-CoA + 2 malonyl-CoA
? + CoA + CO2 + H2O
benzoyl-CoA
? + CoA + CO2 + H2O
-
Substrates: -
Products: -
?
benzoyl-CoA + 2 malonyl-CoA
4-hydroxy-6-phenyl-2H-pyran-2-one + CoA + CO2 + H2O
butyryl-CoA
4-hydroxy-6-propyl-2-pyrone + 4-hydroxy-6-(2'-oxopentyl)-2-pyrone + 1,3,6,8-tetrahydroxynaphthalene + CoA + CO2 + H2O
-
Substrates: 21% activity compared to acetoacetyl-CoA
Products: -
?
hexanoyl-CoA
4-hydroxy-6-pentyl-2-pyrone + 4-hydroxy-6-(2'-oxoheptyl)-2-pyrone + CoA + CO2 + H2O
hexanoyl-CoA
? + CoA + CO2 + H2O
-
Substrates: -
Products: -
?
hexanoyl-CoA + 2 malonyl-CoA
4-hydroxy-6-pentyl-2H-pyran-2-one + CoA + CO2 + H2O
isobutyryl-CoA
4-hydroxy-6-isopropyl-2-pyrone + 4-hydroxy-6-(3'-methyl-2'-oxopropyl)-2-pyrone + CoA + CO2 + H2O
-
Substrates: 7% activity compared to acetoacetyl-CoA
Products: -
?
isovaleryl-CoA
4-hydroxy-6-isobutyl-2-pyrone + 4-hydroxy-6-(4'-methyl-2'-oxopentyl)-2-pyrone + CoA + CO2 + H2O
-
Substrates: 13% activity compared to acetoacetyl-CoA
Products: -
?
lauroyl-CoA
1-(2,4,6-trihydroxyphenyl)-dodecan-1-one + 4-hydroxy-6-(2-oxotridecyl)-2H-pyran-2-one + CoA + CO2 + H2O
malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + CoA + CO2 + H2O
malonyl-CoA
5 1,3,6,8-tetrahydroxynaphthalene + 5 CoA + 5 CO2 + H2O
-
Substrates: -
Products: -
?
octanoyl-CoA
6-heptyl-4-hydroxy-2-pyrone + 4-hydroxy-6-(2'-oxononyl)-2-pyrone + 4-hydroxy-6-(2',4',6'-trioxotridecyl)-2-pyrone + CoA + CO2 + H2O
-
Substrates: 6% activity compared to acetoacetyl-CoA
Products: -
?
octanoyl-CoA + malonyl-CoA
4-hydroxy-6-(2',4',6'-trioxotridecyl)-2-pyrone + CoA + CO2 + H2O
-
Substrates: -
Products: -
?
phenylacetyl-CoA
6-benzyl-4-hydroxy-2-pyrone + 4-hydroxy-6-(2'-oxo-3'-phenylpropyl)-2-pyrone + CoA + CO2 + H2O
-
Substrates: -
Products: -
?
additional information
?
-
5 malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + 5 CoA + 5 CO2 + H2O
-
Substrates: -
Products: -
?
5 malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + 5 CoA + 5 CO2 + H2O
-
Substrates: -
Products: -
?
5 malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + 5 CoA + 5 CO2 + H2O
Substrates: -
Products: -
?
5 malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + 5 CoA + 5 CO2 + H2O
-
Substrates: -
Products: -
?
5 malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + 5 CoA + 5 CO2 + H2O
Substrates: -
Products: -
?
5 malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + 5 CoA + 5 CO2 + H2O
-
Substrates: -
Products: -
?
5 malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + 5 CoA + 5 CO2 + H2O
Substrates: -
Products: -
?
5 malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + 5 CoA + 5 CO2 + H2O
Substrates: -
Products: -
?
acetoacetyl-CoA
4-hydroxy-6-methyl-2-pyrone + CoA + CO2 + H2O
-
Substrates: -
Products: -
?
acetoacetyl-CoA
4-hydroxy-6-methyl-2-pyrone + CoA + CO2 + H2O
-
Substrates: 100% activity
Products: -
?
acetoacetyl-CoA + 2 malonyl-CoA
4-hydroxy-6-methyl-2-pyrone + CoA + CO2 + H2O
-
Substrates: -
Products: -
?
acetoacetyl-CoA + 2 malonyl-CoA
4-hydroxy-6-methyl-2-pyrone + CoA + CO2 + H2O
-
Substrates: -
Products: -
?
Acetyl-CoA
?
Substrates: -
Products: -
?
Acetyl-CoA
?
Substrates: -
Products: -
?
acetyl-CoA + 2 malonyl-CoA
? + CoA + CO2 + H2O
-
Substrates: -
Products: -
?
acetyl-CoA + 2 malonyl-CoA
? + CoA + CO2 + H2O
-
Substrates: -
Products: -
?
benzoyl-CoA + 2 malonyl-CoA
4-hydroxy-6-phenyl-2H-pyran-2-one + CoA + CO2 + H2O
-
Substrates: -
Products: -
?
benzoyl-CoA + 2 malonyl-CoA
4-hydroxy-6-phenyl-2H-pyran-2-one + CoA + CO2 + H2O
-
Substrates: -
Products: -
?
hexanoyl-CoA
4-hydroxy-6-pentyl-2-pyrone + 4-hydroxy-6-(2'-oxoheptyl)-2-pyrone + CoA + CO2 + H2O
-
Substrates: -
Products: -
?
hexanoyl-CoA
4-hydroxy-6-pentyl-2-pyrone + 4-hydroxy-6-(2'-oxoheptyl)-2-pyrone + CoA + CO2 + H2O
-
Substrates: 43% activity compared to acetoacetyl-CoA
Products: -
?
hexanoyl-CoA + 2 malonyl-CoA
4-hydroxy-6-pentyl-2H-pyran-2-one + CoA + CO2 + H2O
-
Substrates: -
Products: -
?
hexanoyl-CoA + 2 malonyl-CoA
4-hydroxy-6-pentyl-2H-pyran-2-one + CoA + CO2 + H2O
-
Substrates: -
Products: -
?
lauroyl-CoA
1-(2,4,6-trihydroxyphenyl)-dodecan-1-one + 4-hydroxy-6-(2-oxotridecyl)-2H-pyran-2-one + CoA + CO2 + H2O
Substrates: -
Products: -
?
lauroyl-CoA
1-(2,4,6-trihydroxyphenyl)-dodecan-1-one + 4-hydroxy-6-(2-oxotridecyl)-2H-pyran-2-one + CoA + CO2 + H2O
Substrates: -
Products: -
?
malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + CoA + CO2 + H2O
Substrates: -
Products: -
?
malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + CoA + CO2 + H2O
Substrates: -
Products: -
?
malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + CoA + CO2 + H2O
-
Substrates: -
Products: -
?
malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + CoA + CO2 + H2O
-
Substrates: -
Products: -
?
malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + CoA + CO2 + H2O
-
Substrates: -
Products: -
?
malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + CoA + CO2 + H2O
-
Substrates: -
Products: -
?
additional information
?
-
-
Substrates: does not use acetyl-CoA as substrate
Products: -
?
additional information
?
-
-
Substrates: less than 1% activity with acetyl-CoA, decanoyl-CoA, benzoyl-CoA, phenylacetyl-CoA, crotonoyl-CoA, and tiglyl-CoA
Products: -
?
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5 malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + 5 CoA + 5 CO2 + H2O
malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + CoA + CO2 + H2O
malonyl-CoA
5 1,3,6,8-tetrahydroxynaphthalene + 5 CoA + 5 CO2 + H2O
-
Substrates: -
Products: -
?
additional information
?
-
-
Substrates: does not use acetyl-CoA as substrate
Products: -
?
5 malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + 5 CoA + 5 CO2 + H2O
-
Substrates: -
Products: -
?
5 malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + 5 CoA + 5 CO2 + H2O
-
Substrates: -
Products: -
?
5 malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + 5 CoA + 5 CO2 + H2O
Substrates: -
Products: -
?
5 malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + 5 CoA + 5 CO2 + H2O
-
Substrates: -
Products: -
?
5 malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + 5 CoA + 5 CO2 + H2O
Substrates: -
Products: -
?
5 malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + 5 CoA + 5 CO2 + H2O
-
Substrates: -
Products: -
?
5 malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + 5 CoA + 5 CO2 + H2O
Substrates: -
Products: -
?
5 malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + 5 CoA + 5 CO2 + H2O
Substrates: -
Products: -
?
malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + CoA + CO2 + H2O
Substrates: -
Products: -
?
malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + CoA + CO2 + H2O
Substrates: -
Products: -
?
malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + CoA + CO2 + H2O
-
Substrates: -
Products: -
?
malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + CoA + CO2 + H2O
-
Substrates: -
Products: -
?
malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + CoA + CO2 + H2O
-
Substrates: -
Products: -
?
malonyl-CoA
1,3,6,8-tetrahydroxynaphthalene + CoA + CO2 + H2O
-
Substrates: -
Products: -
?
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0.0087 - 0.0508
hexanoyl-CoA
0.0011 - 0.93
malonyl-CoA
0.0087
hexanoyl-CoA
-
mutant enzyme A350I, at pH 7.5 and 30°C
0.0132
hexanoyl-CoA
-
wild type enzyme, at pH 7.5 and 30°C
0.0143
hexanoyl-CoA
-
mutant enzyme Y224L, at pH 7.5 and 30°C
0.0157
hexanoyl-CoA
-
mutant enzyme A350S, at pH 7.5 and 30°C
0.0508
hexanoyl-CoA
-
mutant enzyme Y224G, at pH 7.5 and 30°C
0.0011
malonyl-CoA
-
wild type enzyme, at pH 7.4 and 30°C
0.0014
malonyl-CoA
-
mutant enzyme C184S, in 100 mM Tris-HCl buffer (pH 7.5), at 22°C
0.0023
malonyl-CoA
-
wild type enzyme, in 100 mM Tris-HCl buffer (pH 7.5), at 22°C
0.00358
malonyl-CoA
at pH 7.5 and 22°C
0.0039
malonyl-CoA
-
wild type enzyme, at pH 7.4 and 30°C
0.0085
malonyl-CoA
-
mutant enzyme C171S, in 100 mM Tris-HCl buffer (pH 7.5), at 22°C
0.0095
malonyl-CoA
-
mutant enzyme Y224F, at pH 7.4 and 30°C
0.0111
malonyl-CoA
-
mutant enzyme Y224L, at pH 7.4 and 30°C
0.012
malonyl-CoA
-
mutant enzyme Y224C, at pH 7.4 and 30°C
0.0171
malonyl-CoA
-
mutant enzyme Y224M, at pH 7.4 and 30°C
0.0234
malonyl-CoA
-
mutant enzyme Y224L, at pH 7.4 and 30°C
0.93
malonyl-CoA
-
in 100 mM Tris-HCl (pH 7.5), 1 mM EDTA, 1 mM 2-mercaptoethanol, at 30°C
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C138A
-
inactive with malonyl-CoA
C138S
-
inactive with malonyl-CoA
C171S
-
the mutant shows about 4fold reduced catalytic efficiency compared to the wild type enzyme
C184S
-
the mutant shows about 2.5fold increased catalytic efficiency compared to the wild type enzyme
Y224A
-
the mutant shows 3% activity with malonyl-CoA compared to the wild type enzyme
Y224C
-
the mutant shows 50% activity with malonyl-CoA compared to the wild type enzyme
Y224F
-
the mutant shows 70% activity with malonyl-CoA compared to the wild type enzyme
Y224G
-
inactive with malonyl-CoA but capable of accepting acetoacetyl-CoA and acetyl-CoA
Y224H
-
inactive with malonyl-CoA but capable of accepting acetoacetyl-CoA and acetyl-CoA
Y224L
-
the mutant shows 65% activity with malonyl-CoA compared to the wild type enzyme
Y224M
-
the mutant shows 15% activity with malonyl-CoA compared to the wild type enzyme
Y224S
-
inactive with malonyl-CoA but capable of accepting acetoacetyl-CoA and acetyl-CoA
C138A
-
inactive with malonyl-CoA
-
C138S
-
inactive with malonyl-CoA
-
Y224A
-
the mutant shows 3% activity with malonyl-CoA compared to the wild type enzyme
-
Y224F
-
the mutant shows 70% activity with malonyl-CoA compared to the wild type enzyme
-
Y224S
-
inactive with malonyl-CoA but capable of accepting acetoacetyl-CoA and acetyl-CoA
-
A305I
-
the mutant produces only a triketide pyrone from hexanoyl-CoA as starter substrate
A305S
-
the mutant produces a triketide and tetraketide pyrone from hexanoyl-CoA as starter substrate
C138A
-
the mutant loses the ability to decarboxylate malonyl-CoA
C138Q
-
the mutant loses the ability to decarboxylate malonyl-CoA
C138S
-
the mutation does not influence the decarboxylation of malonyl-CoA
F188Y
-
the mutant shows reduced catalytic efficiency with hexanoyl-CoA as substrate
H270N
-
the mutant produces triacetic acid lactone and flaviolin, an auto-oxidized product of 1,3,6,8-tetrahydroxynaphthalene, at a reduced rate
H270Q
-
the mutant retains high activity to catalyse polyketide formation, whereas the derailment products triacetic acid lactone and 6-acetonyl-4-hydroxy-2-pyrone (tetraketide lactone) are observed in increased amounts
Y224F
-
the mutant is able to accept malonyl-CoA as a starter substrate
Y224G
-
the mutant shows reduced catalytic efficiency with hexanoyl-CoA as substrate
Y224W
-
the mutant is able to accept malonyl-CoA as a starter substrate
Y224L
-
the mutant shows increased catalytic efficiency with hexanoyl-CoA as substrate
Y224L
-
the mutant shows strongly reduced catalytic efficiency with malonyl-CoA compared to the wild type enzyme
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Funa, N.; Ohnishi, Y.; Ebizuka, Y.; Horinouchi, S.
Alteration of reaction and substrate specificity of a bacterial type III polyketide synthase by site-directed mutagenesis
Biochem. J.
367
781-789
2002
Streptomyces griseus
brenda
Fujii, I.; Mori, Y.; Watanabe, A.; Kubo, Y.; Tsuji, G.; Ebizuka, Y.
Enzymatic synthesis of 1,3,6,8-tetrahydroxynaphthalene solely from malonyl coenzyme A by a fungal iterative type I polyketide synthase PKS1
Biochemistry
39
8853-8858
2000
Colletotrichum lagenaria
brenda
Maharjan, S.; Park, J.W.; Yoon, Y.J.; Lee, H.C.; Sohng, J.K.
Metabolic engineering of Streptomyces venezuelae for malonyl-CoA biosynthesis to enhance heterologous production of polyketides
Biotechnol. Lett.
32
277-282
2010
Streptomyces peucetius, Streptomyces peucetius ATCC 27952
brenda
Funa, N.; Ohnishi, Y.; Ebizuka, Y.; Horinouchi, S.
Properties and substrate specificity of RppA, a chalcone synthase-related polyketide synthase in Streptomyces griseus
J. Biol. Chem.
277
4628-4635
2002
Streptomyces griseus
brenda
Austin, M.B.; Izumikawa, M.; Bowman, M.E.; Udwary, D.W.; Ferrer, J.L.; Moore, B.S.; Noel, J.P.
Crystal structure of a bacterial type III polyketide synthase and enzymatic control of reactive polyketide intermediates
J. Biol. Chem.
279
45162-45174
2004
Streptomyces coelicolor
brenda
Li, S.; Grueschow, S.; Dordick, J.S.; Sherman, D.H.
Molecular analysis of the role of tyrosine 224 in the active site of Streptomyces coelicolor RppA, a bacterial type III polyketide synthase
J. Biol. Chem.
282
12765-12772
2007
Streptomyces coelicolor, Streptomyces coelicolor A3 (2), Streptomyces griseus
brenda
Izumikawa, M.; Shipley, P.R.; Hopke, J.N.; OHare, T.; Xiang, L.; Noel, J.P.; Moore, B.S.
Expression and characterization of the type III polyketide synthase 1,3,6,8-tetrahydroxynaphthalene synthase from Streptomyces coelicolor A3(2)
J. Ind. Microbiol. Biotechnol.
30
510-515
2003
Streptomyces coelicolor (Q9FCA7), Streptomyces coelicolor, Streptomyces coelicolor A3(2) (Q9FCA7), Streptomyces coelicolor A3(2)
brenda
Ghimire, G.P.; Oh, T.J.; Liou, K.; Sohng, J.K.
Identification of a cryptic type III polyketide synthase (1,3,6,8-tetrahydroxynaphthalene synthase) from Streptomyces peucetius ATCC 27952
Mol. Cells
26
362-367
2008
Streptomyces peucetius (B0FYK7), Streptomyces peucetius ATCC 27952 (B0FYK7)
brenda
Takano, Y.; Kubo, Y.; Shimizu, K.; Mise, K.; Okuno, T.; Furusawa, I.
Structural analysis of PKS1, a polyketide synthase gene involved in melanin biosynthesis in Colletotrichum lagenarium
Mol. Gen. Genet.
249
162-167
1995
Colletotrichum lagenaria
brenda
Cortes, J.; Velasco, J.; Foster, G.; Blackaby, A.P.; Rudd, B.A.; Wilkinson, B.
Identification and cloning of a type III polyketide synthase required for diffusible pigment biosynthesis in Saccharopolyspora erythraea
Mol. Microbiol.
44
1213-1224
2002
Saccharopolyspora erythraea, Saccharopolyspora erythraea E 8-7
brenda
Meslet-Cladiere, L.; Delage, L.; Leroux, C.J.; Goulitquer, S.; Leblanc, C.; Creis, E.; Gall, E.A.; Stiger-Pouvreau, V.; Czjzek, M.; Potin, P.
Structure/function analysis of a type III polyketide synthase in the brown alga Ectocarpus siliculosus reveals a biochemical pathway in phlorotannin monomer biosynthesis
Plant Cell
25
3089-3103
2013
Ectocarpus siliculosus (D8LJ35), Ectocarpus siliculosus, Ectocarpus siliculosus Ec 32 (D8LJ35)
brenda
Sone, Y.; Nakamura, S.; Sasaki, M.; Hasebe, F.; Kim, S.; Funa, N.
Identification and characterization of bacterial enzymes catalyzing the synthesis of 1,8-dihydroxynaphthalene, a key precursor of dihydroxynaphthalene melanin, from Sorangium cellulosum
Appl. Environ. Microbiol.
84
e00258-18
2018
Sorangium cellulosum
brenda