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Q96562

- CHS2_HORVU

UniProt

Q96562 - CHS2_HORVU

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Protein

Chalcone synthase 2

Gene

CHS2

Organism
Hordeum vulgare (Barley)
Status
Reviewed - Annotation score: 3 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. Substrate preference is feruloyl-CoA = caffeoyl-CoA >> cinnamoyl-CoA.

Catalytic activityi

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

Pathwayi

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Active sitei166 – 1661PROSITE-ProRule annotation

GO - Molecular functioni

  1. naringenin-chalcone synthase activity Source: UniProtKB-EC

GO - Biological processi

  1. flavonoid biosynthetic process Source: UniProtKB-UniPathway
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):
Naringenin-chalcone synthase 2
Gene namesi
Name:CHS2
OrganismiHordeum vulgare (Barley)
Taxonomic identifieri4513 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaLiliopsidaPoalesPoaceaeBEP cladePooideaeTriticeaeHordeum

Organism-specific databases

GrameneiQ96562.

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 399399Chalcone synthase 2PRO_0000215980Add
BLAST

Expressioni

Inductioni

Strong in response to inoculation with fungi.

Gene expression databases

GenevestigatoriQ96562.

Structurei

3D structure databases

ProteinModelPortaliQ96562.
SMRiQ96562. Positions 6-391.
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.

Q96562-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MAAVRLKEVR MAQRAEGLAT VLAIGTAVPA NCVYQATYPD YYFRVTKSEH
60 70 80 90 100
LADLKEKFQR MCDKSMIRKR HMHLTEEILI KNPKICAHME TSLDARHAIA
110 120 130 140 150
LVEVPKLGQG AAEKAIKEWG QPLSKITHLV FCTTSGVDMP GADYQLTKLL
160 170 180 190 200
GLSPTVKRLM MYQQGCFGGA TVLRLAKDIA ENNRGARVLV VCSEITAMAF
210 220 230 240 250
RGPCKSHLDS LVGHALFGDG AAAAIIGADP DQLDEQPVFQ LVSASQTILP
260 270 280 290 300
ESEGAIDGHL TEAGLTIHLL KDVPGLISEN IEQALEDAFE PLGIHNWNSI
310 320 330 340 350
FWIAHPGGPA ILDRVEDRVG LDKKRMRASR EVLSEYGNMS SASVLFVLDV
360 370 380 390
MRKSSAKDGL ATTGEGKDWG VLFGFGPGLT VETLVLHSVP VPVPTAASA
Length:399
Mass (Da):43,189
Last modified:February 1, 1997 - v1
Checksum:iB41F54CD647FF22D
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
Y09233 mRNA. Translation: CAA70435.1.
PIRiT04485.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
Y09233 mRNA. Translation: CAA70435.1 .
PIRi T04485.

3D structure databases

ProteinModelPortali Q96562.
SMRi Q96562. Positions 6-391.
ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Organism-specific databases

Gramenei Q96562.

Enzyme and pathway databases

UniPathwayi UPA00154 .

Gene expression databases

Genevestigatori Q96562.

Family and domain databases

Gene3Di 3.40.47.10. 2 hits.
InterProi IPR012328. 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 ]
Pfami PF02797. Chal_sti_synt_C. 1 hit.
PF00195. Chal_sti_synt_N. 1 hit.
[Graphical view ]
PIRSFi PIRSF000451. PKS_III. 1 hit.
SUPFAMi SSF53901. SSF53901. 2 hits.
PROSITEi PS00441. CHALCONE_SYNTH. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "A chalcone synthase with an unusual substrate preference is expressed in barley leaves in response to UV light and pathogen attack."
    Christensen A.B., Gregersen P.L., Schroeder J., Collinge D.B.
    Plant Mol. Biol. 37:849-857(1998) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA].
    Strain: cv. Pallas / P-02.
    Tissue: Leaf.

Entry informationi

Entry nameiCHS2_HORVU
AccessioniPrimary (citable) accession number: Q96562
Entry historyi
Integrated into UniProtKB/Swiss-Prot: July 15, 1999
Last sequence update: February 1, 1997
Last modified: October 1, 2014
This is version 72 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