IFGF2_PENRF
ID IFGF2_PENRF Reviewed; 287 AA.
AC W6Q1E9;
DT 20-JUN-2018, integrated into UniProtKB/Swiss-Prot.
DT 16-APR-2014, sequence version 1.
DT 03-AUG-2022, entry version 22.
DE RecName: Full=Festuclavine synthase II {ECO:0000303|PubMed:28620689};
DE EC=1.5.1.44 {ECO:0000250|UniProtKB:Q4WZ69};
DE AltName: Full=Festuclavine dehydrogenase ifgF2 {ECO:0000303|PubMed:28620689};
DE AltName: Full=Isofumigaclavine biosynthesis cluster A protein F2 {ECO:0000303|PubMed:28620689};
GN Name=ifgF2 {ECO:0000303|PubMed:28620689}; ORFNames=PROQFM164_S02g000304;
OS Penicillium roqueforti (strain FM164).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Eurotiomycetes;
OC Eurotiomycetidae; Eurotiales; Aspergillaceae; Penicillium.
OX NCBI_TaxID=1365484;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=FM164;
RX PubMed=24407037; DOI=10.1038/ncomms3876;
RA Cheeseman K., Ropars J., Renault P., Dupont J., Gouzy J., Branca A.,
RA Abraham A.L., Ceppi M., Conseiller E., Debuchy R., Malagnac F., Goarin A.,
RA Silar P., Lacoste S., Sallet E., Bensimon A., Giraud T., Brygoo Y.;
RT "Multiple recent horizontal transfers of a large genomic region in cheese
RT making fungi.";
RL Nat. Commun. 5:2876-2876(2014).
RN [2]
RP FUNCTION, AND PATHWAY.
RX PubMed=28620689; DOI=10.1007/s00253-017-8366-6;
RA Fernandez-Bodega A., Alvarez-Alvarez R., Liras P., Martin J.F.;
RT "Silencing of a second dimethylallyltryptophan synthase of Penicillium
RT roqueforti reveals a novel clavine alkaloid gene cluster.";
RL Appl. Microbiol. Biotechnol. 101:6111-6121(2017).
RN [3]
RP FUNCTION.
RX PubMed=28902217; DOI=10.1039/c7ob02095c;
RA Gerhards N., Li S.M.;
RT "A bifunctional old yellow enzyme from Penicillium roqueforti is involved
RT in ergot alkaloid biosynthesis.";
RL Org. Biomol. Chem. 15:8059-8071(2017).
CC -!- FUNCTION: Festuclavine synthase; part of the gene cluster that mediates
CC the biosynthesis of isofumigaclavines, fungal ergot alkaloids
CC (PubMed:28620689). The tryptophan dimethylallyltransferase ifgA
CC catalyzes the first step of ergot alkaloid biosynthesis by condensing
CC dimethylallyl diphosphate (DMAP) and tryptophan to form 4-
CC dimethylallyl-L-tryptophan (PubMed:28620689). The second step is
CC catalyzed by the methyltransferase ifgB that methylates 4-
CC dimethylallyl-L-tryptophan in the presence of S-adenosyl-L-methionine,
CC resulting in the formation of N-methyl-dimethylallyl-L-tryptophan
CC (PubMed:28620689). The catalase ifgD and the FAD-dependent
CC oxidoreductase ifgC then transform N-methyl-dimethylallyl-L-tryptophan
CC to chanoclavine-I which is further oxidized by ifgE in the presence of
CC NAD(+), resulting in the formation of chanoclavine-I aldehyde
CC (PubMed:28902217). The chanoclavine-I aldehyde reductases ifgG and/or
CC fgaOx3 reduce chanoclavine-I aldehyde to dihydrochanoclavine-I aldehyde
CC that spontaneously dehydrates to form 6,8-dimethyl-6,7-
CC didehydroergoline (PubMed:28620689, PubMed:28902217). The festuclavine
CC dehydrogenases ifgF1 and/or ifgF2 then catalyze the reduction of 6,8-
CC dimethyl-6,7-didehydroergoline to form festuclavine (PubMed:28620689).
CC Hydrolysis of festuclavine by a yet undetermined cytochrome P450
CC monooxygenase (called ifgH) then leads to the formation of
CC isofumigaclavine B which is in turn acetylated by ifgI to
CC isofumigaclavine A (PubMed:28620689). Penicillium roqueforti has
CC interestingly at least two sets of genes for the consumption of
CC chanoclavine-I aldehyde on three different loci, the OYEs ifgG/fgaOx3
CC and the festuclavine synthase homologs ifgF1/ifgF2 (PubMed:28620689,
CC PubMed:28902217). The reason for the duplication of these genes is
CC unclear, probably to ensure the conversion of chanoclavine-I aldehyde
CC by differential gene expression under various environmental conditions
CC (PubMed:28902217). {ECO:0000269|PubMed:28620689,
CC ECO:0000269|PubMed:28902217}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=festuclavine + NAD(+) = 6,8-dimethyl-6,7-didehydroergoline +
CC H(+) + NADH; Xref=Rhea:RHEA:34055, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:57540, ChEBI:CHEBI:57945, ChEBI:CHEBI:65034,
CC ChEBI:CHEBI:65045; EC=1.5.1.44;
CC Evidence={ECO:0000250|UniProtKB:Q4WZ69};
CC -!- PATHWAY: Alkaloid biosynthesis; ergot alkaloid biosynthesis.
CC {ECO:0000305|PubMed:28620689}.
CC -!- SIMILARITY: Belongs to the fgaFS/easG family. {ECO:0000305}.
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DR EMBL; HG792016; CDM30155.1; -; Genomic_DNA.
DR AlphaFoldDB; W6Q1E9; -.
DR SMR; W6Q1E9; -.
DR EnsemblFungi; CDM30155; CDM30155; PROQFM164_S02g000304.
DR OrthoDB; 993213at2759; -.
DR UniPathway; UPA00327; -.
DR Proteomes; UP000030686; Unassembled WGS sequence.
DR GO; GO:0016491; F:oxidoreductase activity; IEA:UniProtKB-KW.
DR GO; GO:0035835; P:indole alkaloid biosynthetic process; IEA:UniProtKB-UniPathway.
DR InterPro; IPR019901; Ergot_alkaloid_biosynthesis.
DR InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR SUPFAM; SSF51735; SSF51735; 1.
DR TIGRFAMs; TIGR03649; ergot_EASG; 1.
PE 3: Inferred from homology;
KW Alkaloid metabolism; NAD; Oxidoreductase.
FT CHAIN 1..287
FT /note="Festuclavine synthase II"
FT /id="PRO_0000444544"
SQ SEQUENCE 287 AA; 31416 MW; 757243AC144B77ED CRC64;
MTILVLGGRG KTASRLAALL DQAKTPFLVG SSSASPSDPY KSSQFNWLKR DTWERPFEQA
GKHGLGTISS IYLVGPPVMD IAPPMIEFVD LARAKGVQRF VLLSASTVEK GGHSMGQVHA
YLDSLAEVEY VALRPTWFME NLLEDPSREW IKNENQIITA TGDGKIPFVS ADDIASVAFH
CLTEWGSHKT EYVILGPELL SYGQVAEILT TILGKKIIHR SLTETGLAEL LVKKAGIPAD
FAAMLSAMEV DVKNGPQEVL NNSVVEVTGN PPRYFKDVAE HEKHVWA
