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CHSA_IPOTR
ID   CHSA_IPOTR              Reviewed;         362 AA.
AC   P48403;
DT   01-FEB-1996, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1996, sequence version 1.
DT   25-MAY-2022, entry version 79.
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 triloba (Trilobed morning glory).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   asterids; lamiids; Solanales; Convolvulaceae; Ipomoeeae; Ipomoea.
OX   NCBI_TaxID=35885;
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; U15952; AAC49034.1; -; Genomic_DNA.
DR   AlphaFoldDB; P48403; -.
DR   SMR; P48403; -.
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_0000215999"
FT   ACT_SITE        168
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU10023"
FT   NON_TER         362
SQ   SEQUENCE   362 AA;  40472 MW;  FC275F289E8707EC CRC64;
     MSPTVTVQLT DDTAKRFEGH AKLLAIGTAT PTNWVDQATY PDFYFRITNS ERLLEHKEKF
     RRICNKSKIR FRHLVLTEEL LKKSPNLCTY NDASLNTRQD ILVSEVPKLG KEAAMKAIKE
     WGRPISEITH LVFCTTSGVD MPGADFQLTK LLGLNSSVKR LMMYQQGCNA GAAMLRLVKD
     LAENNKGARV LVVCSEITIN IFRGPSLEQD DNLLAQCLFG DGSAAMIVGK DPRPGLETPL
     FELVSSAQTI VPNTDSHLKL TLREMGLTFH CSRAVPSVLA ENVEDCLVKA FEPYGISDWN
     SIFWVFHPGG YAIVDRVEER LGLGPERLRA SRDVLSEYGN LTSACVLFIL DEMRKKSKKD
     EQ
 
 
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