EFUH_HORCR
ID EFUH_HORCR Reviewed; 565 AA.
AC A0A2Z4HPZ0;
DT 23-FEB-2022, integrated into UniProtKB/Swiss-Prot.
DT 10-OCT-2018, sequence version 1.
DT 03-AUG-2022, entry version 10.
DE RecName: Full=Cytochrome P450 monooxygenase efuH {ECO:0000303|PubMed:30051576};
DE EC=1.-.-.- {ECO:0000305|PubMed:30051576};
DE AltName: Full=Enfumafungin biosynthesis cluster protein H {ECO:0000303|PubMed:30051576};
GN Name=efuH {ECO:0000303|PubMed:30051576};
OS Hormonema carpetanum.
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Dothideomycetes;
OC Dothideomycetidae; Dothideales; Dothioraceae; Hormonema.
OX NCBI_TaxID=284138;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA], FUNCTION, AND PATHWAY.
RX PubMed=30051576; DOI=10.1111/1462-2920.14333;
RA Kuhnert E., Li Y., Lan N., Yue Q., Chen L., Cox R.J., An Z., Yokoyama K.,
RA Bills G.F.;
RT "Enfumafungin synthase represents a novel lineage of fungal triterpene
RT cyclases.";
RL Environ. Microbiol. 20:3325-3342(2018).
CC -!- FUNCTION: Cytochrome P450 monooxygenase; part of the gene cluster that
CC mediates the biosynthesis of enfumafungin, a glycosylated fernene-type
CC triterpenoid with potent antifungal activity, mediated by its
CC interaction with beta-1,3-glucan synthase and the fungal cell wall
CC (PubMed:30051576). The pathway begins with the terpene cyclase-glycosyl
CC transferase fusion protein that most likely uses 2,3-oxidosqualene as
CC substrate and catalyzes glycosylation immediately after cyclization
CC (Probable). The fernene glycoside then could be processed by the
CC desaturase efuI which catalyzes isomerization of a double bond
CC established by efuA to form the core structure (Probable). The latter
CC would then undergo a series of hydroxylations in unknown order at C-2,
CC C-19, C-23 and C-25, which would be catalyzed by two of the three
CC cytochrome P450 monooxygenases efuB, efuG or efuH (Probable). The
CC hydroxy-group at C-25 becomes oxidized by the dehydrogenase efuE to
CC enable a spontaneous, non-enzymatic hemiacetal formation with C-23
CC (Probable). After hydroxylation at C-2, acetylation by the
CC acetyltransferase efuC takes place (Probable). The final steps in
CC enfumafungin biosynthesis require expansion of the 5-membered ring by
CC lactonization via a Baeyer-Villiger reaction mediated by one of the
CC BGC's cytochrome P450 monooxygenases (efuB, efuG or efuH) followed by
CC ring cleavage (Probable). This type of reaction would establish a
CC double bond between C-20 and C-21 which could be reduced by the
CC reductase efuL to form the final product (Probable).
CC {ECO:0000269|PubMed:30051576, ECO:0000305|PubMed:30051576}.
CC -!- COFACTOR:
CC Name=heme; Xref=ChEBI:CHEBI:30413;
CC Evidence={ECO:0000250|UniProtKB:P04798};
CC -!- PATHWAY: Secondary metabolite biosynthesis; terpenoid biosynthesis.
CC {ECO:0000305|PubMed:30051576}.
CC -!- SUBCELLULAR LOCATION: Membrane {ECO:0000255}; Single-pass membrane
CC protein {ECO:0000255}.
CC -!- SIMILARITY: Belongs to the cytochrome P450 family. {ECO:0000305}.
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DR EMBL; MF611890; AWW17218.1; -; Genomic_DNA.
DR UniPathway; UPA00213; -.
DR GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR GO; GO:0020037; F:heme binding; IEA:InterPro.
DR GO; GO:0005506; F:iron ion binding; IEA:InterPro.
DR GO; GO:0004497; F:monooxygenase activity; IEA:UniProtKB-KW.
DR GO; GO:0016705; F:oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen; IEA:InterPro.
DR GO; GO:0016114; P:terpenoid biosynthetic process; IEA:UniProtKB-UniPathway.
DR Gene3D; 1.10.630.10; -; 1.
DR InterPro; IPR001128; Cyt_P450.
DR InterPro; IPR017972; Cyt_P450_CS.
DR InterPro; IPR002403; Cyt_P450_E_grp-IV.
DR InterPro; IPR036396; Cyt_P450_sf.
DR Pfam; PF00067; p450; 1.
DR PRINTS; PR00465; EP450IV.
DR SUPFAM; SSF48264; SSF48264; 1.
DR PROSITE; PS00086; CYTOCHROME_P450; 1.
PE 3: Inferred from homology;
KW Heme; Iron; Membrane; Metal-binding; Monooxygenase; Oxidoreductase;
KW Transmembrane; Transmembrane helix.
FT CHAIN 1..565
FT /note="Cytochrome P450 monooxygenase efuH"
FT /id="PRO_0000454459"
FT TRANSMEM 3..23
FT /note="Helical"
FT /evidence="ECO:0000255"
FT BINDING 472
FT /ligand="heme"
FT /ligand_id="ChEBI:CHEBI:30413"
FT /ligand_part="Fe"
FT /ligand_part_id="ChEBI:CHEBI:18248"
FT /note="axial binding residue"
FT /evidence="ECO:0000250|UniProtKB:P04798"
SQ SEQUENCE 565 AA; 63221 MW; 676CB1ADE5A8564C CRC64;
MEVSNLNFAL VLLSIAYAFG TAVMRTQKHS PSFLHSVPVV GLRKQAFSIT RASLRQLFGG
ITTLLEGYSQ YTQHDQPFAM YDLSSRQETL VPVKDVKWFA EQPDSQLSSH GVRQERHAVE
HLHMGVDVPA TMHFIERITG DRLTRNLDLL AQPMHEEIQR CIETEFGNDP EEWKEINVYD
SVQDIVMPTM SRVFLGLPLC RDTKVVNALK RYVMALGLAT IFIGSLPRLV KSVLAGLVKI
PLAYYRRQTL AVLVPLIRRQ LEHPAEGDSD SEQETGFLRS CAKISEKNAV GGIGNVVEPE
IIAQWIMWLA FAGSSSTIIQ ATNLLLDLAN CPKDMEVIQQ LRQEAVSSLK SAEDWKDPQS
FNKQVISDSA IRESLRFHPI LIKGLTKEVV PSSGITLPNG TQMSKGSWVG IPVLGIHRDK
RYYPDPETYD PFRFVPFRLN GELQAGTAWG SKLDAAKPTT TYLGFGYGRH ACPGRWFATL
MLKMILAEIV LHYEIEATAP PPQMRVIGDA ALPPMSATIR PIALVKTFHL PSSAPKKIAR
DTKKPHSKFF SRQCPVSPQN WNLVE