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Protein

Chalcone synthase 2

Gene

CHS2

Organism
Pisum sativum (Garden pea)
Status
Reviewed-Annotation score: Annotation score: 2 out of 5-Experimental evidence at transcript leveli

Functioni

The primary product of this enzyme is 4,2',4',6'-tetrahydroxychalcone (also termed naringenin-chalcone or chalcone) which can under specific conditions spontaneously isomerize into naringenin.

Catalytic activityi

3 malonyl-CoA + 4-coumaroyl-CoA = 4 CoA + naringenin chalcone + 3 CO2.PROSITE-ProRule annotation

Pathway: flavonoid biosynthesis

This protein is involved in the pathway flavonoid biosynthesis, which is part of Secondary metabolite biosynthesis.
View all proteins of this organism that are known to be involved in the pathway flavonoid biosynthesis and in Secondary metabolite biosynthesis.

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Active sitei164 – 1641PROSITE-ProRule annotation

GO - Molecular functioni

GO - Biological processi

Complete GO annotation...

Keywords - Molecular functioni

Acyltransferase, Transferase

Keywords - Biological processi

Flavonoid biosynthesis

Enzyme and pathway databases

UniPathwayiUPA00154.

Names & Taxonomyi

Protein namesi
Recommended name:
Chalcone synthase 2 (EC:2.3.1.74)
Alternative name(s):
Naregenin-chalcone synthase 2
Gene namesi
Name:CHS2
OrganismiPisum sativum (Garden pea)
Taxonomic identifieri3888 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsfabidsFabalesFabaceaePapilionoideaeFabeaePisum

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 389389Chalcone synthase 2PRO_0000216019Add
BLAST

Structurei

3D structure databases

ProteinModelPortaliQ01287.
SMRiQ01287. Positions 3-389.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the chalcone/stilbene synthases family.Curated

Family and domain databases

Gene3Di3.40.47.10. 2 hits.
InterProiIPR012328. Chalcone/stilbene_synth_C.
IPR018088. Chalcone/stilbene_synthase_AS.
IPR001099. Chalcone/stilbene_synthase_N.
IPR011141. Polyketide_synthase_type-III.
IPR016039. Thiolase-like.
IPR016038. Thiolase-like_subgr.
[Graphical view]
PfamiPF02797. Chal_sti_synt_C. 1 hit.
PF00195. Chal_sti_synt_N. 1 hit.
[Graphical view]
PIRSFiPIRSF000451. PKS_III. 1 hit.
SUPFAMiSSF53901. SSF53901. 2 hits.
PROSITEiPS00441. CHALCONE_SYNTH. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Q01287-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MVTVSEIRKA QRAEGPATIL AIGTANPANC VEQSTYPDFY FKITNSEHKT
60 70 80 90 100
VLKEKFQRMC DKSMIKRRYM YLTEDILKEN PSLCEYMAPS LDARQDMVVV
110 120 130 140 150
EVPRLGKEAA VKAIKEWGQP KSKITHLIFC TTSGVDMPGA DYQLTKLLGL
160 170 180 190 200
RPYVKRYMMY QQGCFAGGTV FRLAKDLAEN NKNARVLVVC SEVTAVTFRG
210 220 230 240 250
PSDTHLDSLV GQALFGDGAA ALIVGSDPVP EIEKPIFEMV WTAQTIAPDS
260 270 280 290 300
EGAIDGHLRE AGLTFHLLKD VPGIVSKNID KALVEAFKPL GISDYNSIFW
310 320 330 340 350
IAHPGGPAIL DQVEQKLALK PEKMRATREV LSEYGNMSSA CVLFILDEMR
360 370 380
KKSTQDGLNT TGEGLEWGVL FGFGPGLTIE TVVLRSVAI
Length:389
Mass (Da):42,845
Last modified:April 1, 1993 - v1
Checksum:i0585EC37CA4F4072
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X63334 mRNA. Translation: CAA44934.1.
D10662 Genomic DNA. Translation: BAA01513.1.
PIRiS20932.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X63334 mRNA. Translation: CAA44934.1.
D10662 Genomic DNA. Translation: BAA01513.1.
PIRiS20932.

3D structure databases

ProteinModelPortaliQ01287.
SMRiQ01287. Positions 3-389.
ModBaseiSearch...
MobiDBiSearch...

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Enzyme and pathway databases

UniPathwayiUPA00154.

Family and domain databases

Gene3Di3.40.47.10. 2 hits.
InterProiIPR012328. Chalcone/stilbene_synth_C.
IPR018088. Chalcone/stilbene_synthase_AS.
IPR001099. Chalcone/stilbene_synthase_N.
IPR011141. Polyketide_synthase_type-III.
IPR016039. Thiolase-like.
IPR016038. Thiolase-like_subgr.
[Graphical view]
PfamiPF02797. Chal_sti_synt_C. 1 hit.
PF00195. Chal_sti_synt_N. 1 hit.
[Graphical view]
PIRSFiPIRSF000451. PKS_III. 1 hit.
SUPFAMiSSF53901. SSF53901. 2 hits.
PROSITEiPS00441. CHALCONE_SYNTH. 1 hit.
[Graphical view]
ProtoNetiSearch...

Publicationsi

  1. "Molecular cloning of chalcone synthase cDNAs from Pisum sativum."
    Ichinose Y., Kawamata S., Yamada T., An C., Kajiwara T., Shiraishi T., Oku H.
    Plant Mol. Biol. 18:1009-1012(1992) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA].
    Strain: cv. Midoriusui.
    Tissue: Epicotyl.
  2. "Organization of the genes encoding chalcone synthase in Pisum sativum."
    An C., Ichinose Y., Yamada T., Tanaka Y., Shiraishi T., Oku H.
    Plant Mol. Biol. 21:789-803(1993) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 1-128.
    Strain: cv. Midoriusui.
    Tissue: Epicotyl.

Entry informationi

Entry nameiCHS2_PEA
AccessioniPrimary (citable) accession number: Q01287
Entry historyi
Integrated into UniProtKB/Swiss-Prot: April 1, 1993
Last sequence update: April 1, 1993
Last modified: October 1, 2014
This is version 73 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into Uniref entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.