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VIRE_HYPVG
ID   VIRE_HYPVG              Reviewed;         551 AA.
AC   G9N4A8;
DT   22-APR-2020, integrated into UniProtKB/Swiss-Prot.
DT   22-FEB-2012, sequence version 1.
DT   03-AUG-2022, entry version 45.
DE   RecName: Full=Cytochrome P450 monooxygenase virE {ECO:0000303|PubMed:31790246};
DE            EC=1.-.-.- {ECO:0000269|PubMed:31790246};
DE   AltName: Full=Trichoxide biosynthesis protein virE {ECO:0000303|PubMed:31790246};
DE   AltName: Full=Virensol biosynthesis cluster protein E {ECO:0000303|PubMed:31790246};
DE   Flags: Precursor;
GN   Name=virE {ECO:0000303|PubMed:31790246}; ORFNames=TRIVIDRAFT_47601;
OS   Hypocrea virens (strain Gv29-8 / FGSC 10586) (Gliocladium virens)
OS   (Trichoderma virens).
OC   Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Sordariomycetes;
OC   Hypocreomycetidae; Hypocreales; Hypocreaceae; Trichoderma.
OX   NCBI_TaxID=413071;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Gv29-8 / FGSC 10586;
RX   PubMed=21501500; DOI=10.1186/gb-2011-12-4-r40;
RA   Kubicek C.P., Herrera-Estrella A., Seidl-Seiboth V., Martinez D.A.,
RA   Druzhinina I.S., Thon M., Zeilinger S., Casas-Flores S., Horwitz B.A.,
RA   Mukherjee P.K., Mukherjee M., Kredics L., Alcaraz L.D., Aerts A., Antal Z.,
RA   Atanasova L., Cervantes-Badillo M.G., Challacombe J., Chertkov O.,
RA   McCluskey K., Coulpier F., Deshpande N., von Doehren H., Ebbole D.J.,
RA   Esquivel-Naranjo E.U., Fekete E., Flipphi M., Glaser F.,
RA   Gomez-Rodriguez E.Y., Gruber S., Han C., Henrissat B., Hermosa R.,
RA   Hernandez-Onate M., Karaffa L., Kosti I., Le Crom S., Lindquist E.,
RA   Lucas S., Luebeck M., Luebeck P.S., Margeot A., Metz B., Misra M.,
RA   Nevalainen H., Omann M., Packer N., Perrone G., Uresti-Rivera E.E.,
RA   Salamov A., Schmoll M., Seiboth B., Shapiro H., Sukno S.,
RA   Tamayo-Ramos J.A., Tisch D., Wiest A., Wilkinson H.H., Zhang M.,
RA   Coutinho P.M., Kenerley C.M., Monte E., Baker S.E., Grigoriev I.V.;
RT   "Comparative genome sequence analysis underscores mycoparasitism as the
RT   ancestral life style of Trichoderma.";
RL   Genome Biol. 12:R40.1-R40.15(2011).
RN   [2]
RP   FUNCTION, CATALYTIC ACTIVITY, AND PATHWAY.
RX   PubMed=31790246; DOI=10.1021/jacs.9b09669;
RA   Liu L., Tang M.C., Tang Y.;
RT   "Fungal highly reducing polyketide synthases biosynthesize salicylaldehydes
RT   that are precursors to epoxycyclohexenol natural products.";
RL   J. Am. Chem. Soc. 141:19538-19541(2019).
CC   -!- FUNCTION: Cytochrome P450 monooxygenase; part of the gene cluster that
CC       mediates the biosynthesis of virensols and trichoxide, fungal natural
CC       products that contain or are derived from a salicylaldehyde core
CC       (PubMed:31790246). The pathway begins with the synthesis of the reduced
CC       chain in virensol C by the highly reducing polyketide synthase virA via
CC       condensation of one acetate and 8 malonate units (PubMed:31790246).
CC       VirA has interesting programming rules since the first 2 ketides are
CC       fully reduced, the 3 following ketides undergo beta-dehydration, and
CC       the last 3 ketides are only reduced to beta-hydroxys to yield the
CC       trihydroxy portion (PubMed:31790246). The production of aldehyde
CC       virensol C by virA alone is surprising, since virA does not contain a
CC       reductase (R) domain that is typically associated with reductive
CC       product release in HRPKS (PubMed:31790246). The cupin-domain enzyme
CC       virC is involved in enhancing virA product turnover (PubMed:31790246).
CC       The short-chain dehydrogenase virB then oxidizes the C-7 alcohol of
CC       virensol C to a ketone, yielding virensol D (PubMed:31790246). Virensol
CC       D is further transformed to salicylaldehyde 5-deoxyaurocitrin by the
CC       short-chain dehydrogenase virD (PubMed:31790246). VirD catalyzes the
CC       dehydrogenation of C-3 to form the beta-ketone aldehyde, which is
CC       followed by the generation of the nucleophilic C-2 that is required for
CC       the intramolecular aldol condensation between C-2 and C-7, itself
CC       followed by dehydration and aromatization which leads to
CC       salicylaldehyde 5-deoxyaurocitrin (PubMed:31790246). While the
CC       dehydrogenation of virensol D is definitely catalyzed by virD, the
CC       aldol condensation and dehydration may be uncatalyzed or assisted by
CC       virD (PubMed:31790246). The short chain dehydrogenase virG then
CC       converts salicylaldehyde 5-deoxyaurocitrin into virensol B which is
CC       further hydroxylated by the cytochrome P450 monooxygenase virE to yield
CC       the hydroquinone virensol A (PubMed:31790246). VirI then may oxidize
CC       virensol A to form the quinone, while virH performs the epoxidation
CC       (PubMed:31790246). Finally, the two remaining short-chain
CC       dehydrogenases, virK and virL, are probably responsible for reducing
CC       the ketones to the corresponding alcohols to furnish the
CC       epoxycyclohexanol structure in trichoxide (PubMed:31790246).
CC       {ECO:0000269|PubMed:31790246}.
CC   -!- COFACTOR:
CC       Name=heme; Xref=ChEBI:CHEBI:30413;
CC         Evidence={ECO:0000250|UniProtKB:P04798};
CC   -!- PATHWAY: Secondary metabolite biosynthesis.
CC       {ECO:0000269|PubMed:31790246}.
CC   -!- SIMILARITY: Belongs to the cytochrome P450 family. {ECO:0000305}.
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DR   EMBL; ABDF02000086; EHK18434.1; -; Genomic_DNA.
DR   RefSeq; XP_013952634.1; XM_014097159.1.
DR   AlphaFoldDB; G9N4A8; -.
DR   SMR; G9N4A8; -.
DR   STRING; 413071.G9N4A8; -.
DR   EnsemblFungi; EHK18434; EHK18434; TRIVIDRAFT_47601.
DR   GeneID; 25794681; -.
DR   VEuPathDB; FungiDB:TRIVIDRAFT_47601; -.
DR   eggNOG; KOG0156; Eukaryota.
DR   HOGENOM; CLU_001570_2_1_1; -.
DR   InParanoid; G9N4A8; -.
DR   OMA; STFMQWI; -.
DR   OrthoDB; 702827at2759; -.
DR   Proteomes; UP000007115; Unassembled WGS sequence.
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   Gene3D; 1.10.630.10; -; 1.
DR   InterPro; IPR001128; Cyt_P450.
DR   InterPro; IPR002401; Cyt_P450_E_grp-I.
DR   InterPro; IPR036396; Cyt_P450_sf.
DR   Pfam; PF00067; p450; 1.
DR   PRINTS; PR00463; EP450I.
DR   PRINTS; PR00385; P450.
DR   SUPFAM; SSF48264; SSF48264; 1.
PE   1: Evidence at protein level;
KW   Glycoprotein; Heme; Iron; Metal-binding; Monooxygenase; Oxidoreductase;
KW   Reference proteome; Signal.
FT   SIGNAL          1..25
FT                   /evidence="ECO:0000255"
FT   CHAIN           26..551
FT                   /note="Cytochrome P450 monooxygenase virE"
FT                   /evidence="ECO:0000255"
FT                   /id="PRO_5003524545"
FT   BINDING         439
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"
FT   CARBOHYD        392
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00498"
SQ   SEQUENCE   551 AA;  62674 MW;  91DB01AF1E6EEEE6 CRC64;
     MPKPWVVFGL GTLVLFLWRL NKIGRRPKNY PPGPPTLPLI GNLHLMPKKN AHLQFQRWAE
     EYGPVYSLML GTKVAIVLSS DVAVKDLLDK RSSIYSGRPE LYMGQEIMSG GNRPLFMGIN
     SVWRRVRKLA HGLLNVKVSR TYVPYQDLES RDMLMGLLES PKDFLNHIRR YTTSLTTQMA
     FGYRTPSSDD KGLLEMFENF DELSRLTGSQ SAAILDLYPI ARILPDFLLP ARRLGREYYE
     REKKLFMKHF LNARQQLNSG TSKPCCAIDL LRAQKEYGFS DEFGCYLSGS LLQAGSETTA
     IILTGFFQAM LVFPEVSKEA QEEIDRVCGD RLPDLNDYPN LPYIRACLKE SLRWMPATAL
     GVPHAVIQDD SYLGYHIPKD AGLILNVWAI HNDSKRHPDP RRYNPARWAG DNQNSAQAAV
     NPDPTKRDHF VFGAGRRLCQ GMHIADRSLF LAISRTLWAF DLKRPVDKET GHEIIPDVDN
     IKDGLFISPM PFAADIVPRS ESRAAAVRQE WENVAGLLDD DMQWKTVPEG LKWKDYEPLD
     DENEDLLESL S
 
 
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