Enzymes
| UniProtKB help_outline | 3 proteins |
| Enzyme class help_outline |
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Reaction participants Show >> << Hide
- Name help_outline 6-hydroxytryprostatin B Identifier CHEBI:72762 Charge 0 Formula C21H25N3O3 InChIKeyhelp_outline CBQDILZSSFDSDL-OALUTQOASA-N SMILEShelp_outline [H][C@@]12CCCN1C(=O)[C@H](Cc1c(CC=C(C)C)[nH]c3cc(O)ccc13)NC2=O 2D coordinates Mol file for the small molecule Search links Involved in 2 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline S-adenosyl-L-methionine Identifier CHEBI:59789 Charge 1 Formula C15H23N6O5S InChIKeyhelp_outline MEFKEPWMEQBLKI-AIRLBKTGSA-O SMILEShelp_outline C[S+](CC[C@H]([NH3+])C([O-])=O)C[C@H]1O[C@H]([C@H](O)[C@@H]1O)n1cnc2c(N)ncnc12 2D coordinates Mol file for the small molecule Search links Involved in 904 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline tryprostatin A Identifier CHEBI:72761 Charge 0 Formula C22H27N3O3 InChIKeyhelp_outline XNRPVPHNDQHWLJ-PMACEKPBSA-N SMILEShelp_outline [H][C@@]12CCCN1C(=O)[C@H](Cc1c(CC=C(C)C)[nH]c3cc(OC)ccc13)NC2=O 2D coordinates Mol file for the small molecule Search links Involved in 2 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline S-adenosyl-L-homocysteine Identifier CHEBI:57856 Charge 0 Formula C14H20N6O5S InChIKeyhelp_outline ZJUKTBDSGOFHSH-WFMPWKQPSA-N SMILEShelp_outline Nc1ncnc2n(cnc12)[C@@H]1O[C@H](CSCC[C@H]([NH3+])C([O-])=O)[C@@H](O)[C@H]1O 2D coordinates Mol file for the small molecule Search links Involved in 827 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline H+ Identifier CHEBI:15378 Charge 1 Formula H InChIKeyhelp_outline GPRLSGONYQIRFK-UHFFFAOYSA-N SMILEShelp_outline [H+] 2D coordinates Mol file for the small molecule Search links Involved in 9,521 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
Cross-references
| RHEA:37903 | RHEA:37904 | RHEA:37905 | RHEA:37906 | |
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| Reaction direction help_outline | undefined | left-to-right | right-to-left | bidirectional |
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Publications
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A point mutation in ftmD blocks the fumitremorgin biosynthetic pathway in Aspergillus fumigatus strain Af293.
Kato N., Suzuki H., Okumura H., Takahashi S., Osada H.
Fumitremorgins (FTMs), tremorgenic mycotoxins produced by the human pathogen Aspergillus fumigatus, are prenylated indole alkaloids that have been extensively studied in view of their diverse chemical structures and biological activities. Their biosynthetic gene (ftm) cluster was identified on the ... >> More
Fumitremorgins (FTMs), tremorgenic mycotoxins produced by the human pathogen Aspergillus fumigatus, are prenylated indole alkaloids that have been extensively studied in view of their diverse chemical structures and biological activities. Their biosynthetic gene (ftm) cluster was identified on the basis of the genome sequence of A. fumigatus. However, it has been reported that the ftm cluster in genome reference strain Af293 is inactive, which makes complete understanding of the FTM pathway difficult. Hence, we used an FTM-producing strain of A. fumigatus, BM939, to dissect the FTM pathway. Here, we delineate the genetic determinant for the observed defect in the FTM pathway in A. fumigatus Af293. Metabolite profiling and sequence comparison of the two strains revealed a point mutation in ftmD as a possible cause of altered metabolite production in strain Af293. FTM production in Af293 was restored when a DNA fragment containing ftmD from BM939 was introduced. Biochemical analysis indicated that FtmD is a methyltransferase that catalyzes the conversion of 6-hydroxytryprostatin B into tryprostatin A. The mutated FtmD retained enzymatic activity but did not function under physiological conditions, resulting in blockage of the FTM pathway in A. fumigatus Af293. << Less
Biosci. Biotechnol. Biochem. 77:1061-1067(2013) [PubMed] [EuropePMC]