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P48394

- CHSB_IPOCO

UniProt

P48394 - CHSB_IPOCO

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Protein
Chalcone synthase B
Gene
CHSB
Organism
Ipomoea cordatotriloba (Cotton morning glory)
Status
Reviewed - Annotation score: 3 out of 5 - Protein inferred from homologyi

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.

Pathwayi

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Active sitei170 – 1701 By similarity

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 B (EC:2.3.1.74)
Alternative name(s):
Naringenin-chalcone synthase B
Short name:
CHS-B
Gene namesi
Name:CHSB
OrganismiIpomoea cordatotriloba (Cotton morning glory)
Taxonomic identifieri35882 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaeasteridslamiidsSolanalesConvolvulaceaeIpomoeeaeIpomoea

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – ›363›363Chalcone synthase B
PRO_0000215991Add
BLAST

Structurei

3D structure databases

ProteinModelPortaliP48394.
SMRiP48394. Positions 14-362.

Family & Domainsi

Sequence similaritiesi

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: Fragment.

P48394-1 [UniParc]FASTAAdd to Basket

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MCTTVTVLTD TWSRREKRFE GHAKILAIGT ATPANWVDQT TYPDFYFRIT    50
NSQHLLDHKE KFRRICNKSK IRKRHMILTE ELLKKNPNLC TYNDASLNTR 100
QDILVSEVPK LGKEAAMKAI KEWGRPISEI THLVFCTTSG VDMPGADFQL 150
TKLLGLNSSV KRLMMYQQGC NAGAAMLRLA KDVAENNKGA RVLVVCSEVM 200
LSVFRGPSLQ QEDNLLAQCL FGDGSAALIV GTDPRPGLET PLFELISAAQ 250
TIIPNTDSHL KLHVREMGLT FHCSKAVPTF ITQNVEDCLV KAFEPYGISD 300
WNSIFWVLHP GGNAIVDGVE ETLGLAPEKL RASRDVLSGY GNLTSACVLF 350
ILDEVRKKSK KDE 363
Length:363
Mass (Da):40,413
Last modified:February 1, 1996 - v1
Checksum:iC7E4838342E575BB
GO

Non-terminal residue

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Non-terminal residuei363 – 3631

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
U15942 Genomic DNA. Translation: AAC49027.1.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
U15942 Genomic DNA. Translation: AAC49027.1 .

3D structure databases

ProteinModelPortali P48394.
SMRi P48394. Positions 14-362.
ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Enzyme and pathway databases

UniPathwayi UPA00154 .

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. "Evolution of the chalcone synthase gene family in the genus Ipomoea."
    Durbin M.L., Learn G.H., Huttley G.A., Clegg M.T.
    Proc. Natl. Acad. Sci. U.S.A. 92:3338-3342(1995) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].

Entry informationi

Entry nameiCHSB_IPOCO
AccessioniPrimary (citable) accession number: P48394
Entry historyi
Integrated into UniProtKB/Swiss-Prot: February 1, 1996
Last sequence update: February 1, 1996
Last modified: February 19, 2014
This is version 67 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

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