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CHSA_IPOTF
ID   CHSA_IPOTF              Reviewed;         362 AA.
AC   P48401;
DT   01-FEB-1996, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1996, sequence version 1.
DT   25-MAY-2022, entry version 80.
DE   RecName: Full=Chalcone synthase A;
DE            EC=2.3.1.74;
DE   AltName: Full=Naringenin-chalcone synthase A;
DE            Short=CHS-A;
DE   Flags: Fragment;
GN   Name=CHSA;
OS   Ipomoea trifida (Morning glory).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   asterids; lamiids; Solanales; Convolvulaceae; Ipomoeeae; Ipomoea.
OX   NCBI_TaxID=35884;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=7724563; DOI=10.1073/pnas.92.8.3338;
RA   Durbin M.L., Learn G.H., Huttley G.A., Clegg M.T.;
RT   "Evolution of the chalcone synthase gene family in the genus Ipomoea.";
RL   Proc. Natl. Acad. Sci. U.S.A. 92:3338-3342(1995).
CC   -!- FUNCTION: The primary product of this enzyme is 4,2',4',6'-
CC       tetrahydroxychalcone (also termed naringenin-chalcone or chalcone)
CC       which can under specific conditions spontaneously isomerize into
CC       naringenin.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=4-coumaroyl-CoA + 2 H(+) + 3 malonyl-CoA = 2',4,4',6'-
CC         tetrahydroxychalcone + 3 CO2 + 4 CoA; Xref=Rhea:RHEA:11128,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:16526, ChEBI:CHEBI:57287,
CC         ChEBI:CHEBI:57355, ChEBI:CHEBI:57384, ChEBI:CHEBI:77645; EC=2.3.1.74;
CC         Evidence={ECO:0000255|PROSITE-ProRule:PRU10023};
CC   -!- PATHWAY: Secondary metabolite biosynthesis; flavonoid biosynthesis.
CC   -!- SIMILARITY: Belongs to the thiolase-like superfamily. Chalcone/stilbene
CC       synthases family. {ECO:0000305}.
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DR   EMBL; U15950; AAC49032.1; -; Genomic_DNA.
DR   AlphaFoldDB; P48401; -.
DR   SMR; P48401; -.
DR   UniPathway; UPA00154; -.
DR   GO; GO:0102128; F:chalcone synthase activity; IEA:UniProtKB-EC.
DR   GO; GO:0016210; F:naringenin-chalcone synthase activity; IEA:UniProtKB-EC.
DR   GO; GO:0009813; P:flavonoid biosynthetic process; IEA:UniProtKB-UniPathway.
DR   Gene3D; 3.40.47.10; -; 2.
DR   InterPro; IPR012328; Chalcone/stilbene_synt_C.
DR   InterPro; IPR001099; Chalcone/stilbene_synt_N.
DR   InterPro; IPR018088; Chalcone/stilbene_synthase_AS.
DR   InterPro; IPR011141; Polyketide_synthase_type-III.
DR   InterPro; IPR016039; Thiolase-like.
DR   PANTHER; PTHR11877; PTHR11877; 1.
DR   Pfam; PF02797; Chal_sti_synt_C; 1.
DR   Pfam; PF00195; Chal_sti_synt_N; 1.
DR   PIRSF; PIRSF000451; PKS_III; 1.
DR   SUPFAM; SSF53901; SSF53901; 2.
DR   PROSITE; PS00441; CHALCONE_SYNTH; 1.
PE   3: Inferred from homology;
KW   Acyltransferase; Flavonoid biosynthesis; Transferase.
FT   CHAIN           1..>362
FT                   /note="Chalcone synthase A"
FT                   /id="PRO_0000215997"
FT   ACT_SITE        168
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU10023"
FT   NON_TER         362
SQ   SEQUENCE   362 AA;  40419 MW;  10E9C8136FB640B8 CRC64;
     MSPTATVQLT DDTAKRFEGH AKLLAIGTAT PTNWVDQATY PDFYFRITNS EHLLEHKEKF
     RRICNKSKIR KRHLVLTKEL LKKNPNLCTY NDASLNTRQD ILVSEVPKLG KEAAMKAIKE
     WGRPISEITH LVFCTTSGVD MPGADFQLTK LLGLNSSVKR LMMYQQGCNA GAAMLRLVKD
     LAENNKGARV LVVCSEITIN IFRGPSLEQD DNLLAQCLFG DGSAAMIVGK DPRPGLETPL
     FELVSSAQTI VPNTDSHLKL HLREMGLTFH CSRAVPSVLA ENVEDCLVKA FEPYGISDWN
     SIFWVFHPGG NAIVDRVEER LGLGPERLRA SRDVLSEYGN LTSACVLFIL DEMRKKSKKD
     EQ
 
 
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