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CHS9_MEDSA
ID   CHS9_MEDSA              Reviewed;         389 AA.
AC   P30077;
DT   01-APR-1993, integrated into UniProtKB/Swiss-Prot.
DT   01-APR-1993, sequence version 1.
DT   25-MAY-2022, entry version 86.
DE   RecName: Full=Chalcone synthase 9;
DE            EC=2.3.1.74;
DE   AltName: Full=Naringenin-chalcone synthase 9;
GN   Name=CHS9;
OS   Medicago sativa (Alfalfa).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; fabids; Fabales; Fabaceae; Papilionoideae; 50 kb inversion clade;
OC   NPAAA clade; Hologalegina; IRL clade; Trifolieae; Medicago.
OX   NCBI_TaxID=3879;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RX   PubMed=8507827; DOI=10.1007/bf00014932;
RA   Junghans H., Dalkin K., Dixon R.A.;
RT   "Stress responses in alfalfa (Medicago sativa L.). 15. Characterization and
RT   expression patterns of members of a subset of the chalcone synthase
RT   multigene family.";
RL   Plant Mol. Biol. 22:239-253(1993).
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; L02905; AAA02827.1; -; mRNA.
DR   PIR; S35167; S35167.
DR   AlphaFoldDB; P30077; -.
DR   SMR; P30077; -.
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   2: Evidence at transcript level;
KW   Acyltransferase; Flavonoid biosynthesis; Transferase.
FT   CHAIN           1..389
FT                   /note="Chalcone synthase 9"
FT                   /id="PRO_0000216014"
FT   ACT_SITE        164
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU10023"
SQ   SEQUENCE   389 AA;  42721 MW;  BB461B53E8C63002 CRC64;
     MVSVSEIRQA QRAEGPATIM AIGTANPANC VEQSTYPDFY FKITNSEHKV ELKEKFQRMC
     DKSMIKRRYM YLTEEILKEN PSVCEYMAPS LDARQDMVVV EVPRLGKEAA VKAIKEWGQP
     KSKITHLIFC TTSGVDMPGA DYQLTKLLGL RPYVKRYMMY QQGCFAGGTV LRLAKDLAEN
     NKGARVLVVC SEVTAVTFRG PSDTHLDSLV GQALFGDGAA ALIVGSDPIP EIEKPIFEMV
     WTAQTIAPDS EGAIDGHLRE AGLTFHLLKD VPGIVSKNID KALVEAFQPL NISDYNSIFW
     IAHPGGPAIL DQVEQKLGLK PEKMKATREV LSEYGNMSSA CVLFILDEMR KKSAQAGLKT
     TGEGLDWGVL FGFGPGLTIE TVVLHSVAI
 
 
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