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Enzymes

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Name ^help_outline ATP Identifier CHEBI:30616 (Beilstein: 3581767) ^help_outline Charge -4 Formula C10H12N5O13P3 InChIKey^help_outline ZKHQWZAMYRWXGA-KQYNXXCUSA-J SMILES^help_outline Nc1ncnc2n(cnc12)[C@@H]1O[C@H](COP([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O)[C@@H](O)[C@H]1O 2D coordinates Mol file for the small molecule Search links Involved in 1,256 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
Name ^help_outline L-proline Identifier CHEBI:60039 Charge 0 Formula C5H9NO2 InChIKey^help_outline ONIBWKKTOPOVIA-BYPYZUCNSA-N SMILES^help_outline [O-]C(=O)[C@@H]1CCC[NH2+]1 2D coordinates Mol file for the small molecule Search links Involved in 26 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
Name ^help_outline L-tryptophan Identifier CHEBI:57912 Charge 0 Formula C11H12N2O2 InChIKey^help_outline QIVBCDIJIAJPQS-VIFPVBQESA-N SMILES^help_outline [NH3+][C@@H](Cc1c[nH]c2ccccc12)C([O-])=O 2D coordinates Mol file for the small molecule Search links Involved in 56 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
Name ^help_outline NADPH Identifier CHEBI:57783 (Beilstein: 10411862) ^help_outline Charge -4 Formula C21H26N7O17P3 InChIKey^help_outline ACFIXJIJDZMPPO-NNYOXOHSSA-J SMILES^help_outline NC(=O)C1=CN(C=CC1)[C@@H]1O[C@H](COP([O-])(=O)OP([O-])(=O)OC[C@H]2O[C@H]([C@H](OP([O-])([O-])=O)[C@@H]2O)n2cnc3c(N)ncnc23)[C@@H](O)[C@H]1O 2D coordinates Mol file for the small molecule Search links Involved in 1,247 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
Name ^help_outline (S)-3-(indol-3-ylmethyl)-6,7,8,8a-tetrahydropyrrolo[1,2-a]pyrazin-1-one Identifier CHEBI:145652 Charge 0 Formula C16H17N3O InChIKey^help_outline FJRBFGWVEWZBJD-HNNXBMFYSA-N SMILES^help_outline C1(=CNC2=C1C=CC=C2)CC3=CN4[C@H](C(N3)=O)CCC4 2D coordinates Mol file for the small molecule Search links Involved in 3 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
Name ^help_outline AMP Identifier CHEBI:456215 Charge -2 Formula C10H12N5O7P InChIKey^help_outline UDMBCSSLTHHNCD-KQYNXXCUSA-L SMILES^help_outline Nc1ncnc2n(cnc12)[C@@H]1O[C@H](COP([O-])([O-])=O)[C@@H](O)[C@H]1O 2D coordinates Mol file for the small molecule Search links Involved in 487 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
Name ^help_outline diphosphate Identifier CHEBI:33019 (Beilstein: 185088) ^help_outline Charge -3 Formula HO7P2 InChIKey^help_outline XPPKVPWEQAFLFU-UHFFFAOYSA-K SMILES^help_outline OP([O-])(=O)OP([O-])([O-])=O 2D coordinates Mol file for the small molecule Search links Involved in 1,085 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 InChIKey^help_outline GPRLSGONYQIRFK-UHFFFAOYSA-N SMILES^help_outline [H+] 2D coordinates Mol file for the small molecule Search links Involved in 9,176 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
Name ^help_outline H₂O Identifier CHEBI:15377 (Beilstein: 3587155; CAS: 7732-18-5) ^help_outline Charge 0 Formula H2O InChIKey^help_outline XLYOFNOQVPJJNP-UHFFFAOYSA-N SMILES^help_outline [H]O[H] 2D coordinates Mol file for the small molecule Search links Involved in 6,048 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
Name ^help_outline NADP⁺ Identifier CHEBI:58349 Charge -3 Formula C21H25N7O17P3 InChIKey^help_outline XJLXINKUBYWONI-NNYOXOHSSA-K SMILES^help_outline NC(=O)c1ccc[n+](c1)[C@@H]1O[C@H](COP([O-])(=O)OP([O-])(=O)OC[C@H]2O[C@H]([C@H](OP([O-])([O-])=O)[C@@H]2O)n2cnc3c(N)ncnc23)[C@@H](O)[C@H]1O 2D coordinates Mol file for the small molecule Search links Involved in 1,253 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule

Cross-references

	RHEA:62284	RHEA:62285	RHEA:62286	RHEA:62287
Reaction direction	undefined	left-to-right	right-to-left	bidirectional
UniProtKB ^help_outline	1 proteins	1 proteins

Publications

Fungal indole alkaloid biogenesis through evolution of a bifunctional reductase/Diels-Alderase.

Dan Q., Newmister S.A., Klas K.R., Fraley A.E., McAfoos T.J., Somoza A.D., Sunderhaus J.D., Ye Y., Shende V.V., Yu F., Sanders J.N., Brown W.C., Zhao L., Paton R.S., Houk K.N., Smith J.L., Sherman D.H., Williams R.M.

Prenylated indole alkaloids such as the calmodulin-inhibitory malbrancheamides and anthelmintic paraherquamides possess great structural diversity and pharmaceutical utility. Here, we report complete elucidation of the malbrancheamide biosynthetic pathway accomplished through complementary approac ... >> More

Prenylated indole alkaloids such as the calmodulin-inhibitory malbrancheamides and anthelmintic paraherquamides possess great structural diversity and pharmaceutical utility. Here, we report complete elucidation of the malbrancheamide biosynthetic pathway accomplished through complementary approaches. These include a biomimetic total synthesis to access the natural alkaloid and biosynthetic intermediates in racemic form and in vitro enzymatic reconstitution to provide access to the natural antipode (+)-malbrancheamide. Reductive cleavage of an L-Pro-L-Trp dipeptide from the MalG non-ribosomal peptide synthetase (NRPS) followed by reverse prenylation and a cascade of post-NRPS reactions culminates in an intramolecular [4+2] hetero-Diels-Alder (IMDA) cyclization to furnish the bicyclo[2.2.2]diazaoctane scaffold. Enzymatic assembly of optically pure (+)-premalbrancheamide involves an unexpected zwitterionic intermediate where MalC catalyses enantioselective cycloaddition as a bifunctional NADPH-dependent reductase/Diels-Alderase. The crystal structures of substrate and product complexes together with site-directed mutagenesis and molecular dynamics simulations demonstrate how MalC and PhqE (its homologue from the paraherquamide pathway) catalyse diastereo- and enantioselective cyclization in the construction of this important class of secondary metabolites. << Less

Nat. Chem. 11:972-980(2019) [PubMed] [EuropePMC]

This publication is cited by 11 other entries.

Comments

This reaction starts by the ligation of the substrates to one domain of the NRPS (nonribosomal peptide synthetase) enzyme. The route followed in similar reactions, involves the activation of the substrate by adenylation, this is the reason the reaction includes ATP hydrolysis to AMP and diphosphate.