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Q9SSU8

- PSY_DAUCA

UniProt

Q9SSU8 - PSY_DAUCA

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Protein
Phytoene synthase, chloroplastic
Gene
PSY
Organism
Daucus carota (Carrot)
Status
Reviewed - Annotation score: 3 out of 5 - Experimental evidence at transcript leveli

Functioni

Catalyzes the reaction from prephytoene diphosphate to phytoene.

Catalytic activityi

2 geranylgeranyl diphosphate = 15-cis-phytoene + 2 diphosphate.

Pathwayi

GO - Molecular functioni

  1. geranylgeranyl-diphosphate geranylgeranyltransferase activity Source: UniProtKB-EC
Complete GO annotation...

GO - Biological processi

  1. carotenoid biosynthetic process Source: UniProtKB-KW
Complete GO annotation...

Keywords - Molecular functioni

Transferase

Keywords - Biological processi

Carotenoid biosynthesis, Isoprene biosynthesis

Enzyme and pathway databases

UniPathwayiUPA00799; UER00773.

Names & Taxonomyi

Protein namesi
Recommended name:
Phytoene synthase, chloroplastic (EC:2.5.1.32)
Gene namesi
Name:PSY
OrganismiDaucus carota (Carrot)
Taxonomic identifieri4039 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaeasteridscampanulidsApialesApiaceaeApioideaeScandiceaeDaucinaeDaucus

Subcellular locationi

GO - Cellular componenti

  1. chloroplast Source: UniProtKB-SubCell
Complete GO annotation...

Keywords - Cellular componenti

Chloroplast, Plastid

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini? – 398Phytoene synthase, chloroplasticPRO_0000029855
Transit peptidei1 – ?Chloroplast Reviewed prediction

Interactioni

Subunit structurei

Monomer By similarity.

Structurei

3D structure databases

ProteinModelPortaliQ9SSU8.

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Transit peptide

Family and domain databases

Gene3Di1.10.600.10. 1 hit.
InterProiIPR002060. Squ/phyt_synthse.
IPR019845. Squalene/phytoene_synthase_CS.
IPR008949. Terpenoid_synth.
[Graphical view]
PfamiPF00494. SQS_PSY. 1 hit.
[Graphical view]
SUPFAMiSSF48576. SSF48576. 1 hit.
PROSITEiPS01044. SQUALEN_PHYTOEN_SYN_1. 1 hit.
PS01045. SQUALEN_PHYTOEN_SYN_2. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

Q9SSU8-1 [UniParc]FASTAAdd to Basket

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MACNFAVRVI YYPKEIHGVS VLNTNRSRKS RFSCRVMKLS TGVSAVAANP    50
VRTSEERVYE VVLKQAALVR EEKRSSRGLC LDTKRTGSKS FDKSENDDAG 100
MKSWNLLNEA YDRCGEVCAE YAKTFYLGTL LMTPERRRAV WAIYVWCRRT 150
DELVDGPNAS HITPKALDRW EKRLNDLFDG QPYDMYDAAL ADTVSTYPVD 200
IQPFKDMIDG MRMDLKKSRY QTFDELYLYC YYVAGTVGLM SVPVMGIAPE 250
SKATTESVYS AALALGIANQ LTNILRDVGE DARRGRIYLP QEELKLAGIT 300
PEYIFKGKVT DKWRSFMKGQ IKRARMFFDE AEKGVAELSS ASRWPVWASL 350
LLYKQILDAI EANDYDNFTK RAYVGKAKKL VSLPLAYSRA LFAPSTVR 398
Length:398
Mass (Da):45,200
Last modified:May 1, 2000 - v1
Checksum:i1D1E043824730615
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AB032797 mRNA. Translation: BAA84763.1.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AB032797 mRNA. Translation: BAA84763.1 .

3D structure databases

ProteinModelPortali Q9SSU8.
ModBasei Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Enzyme and pathway databases

UniPathwayi UPA00799 ; UER00773 .

Family and domain databases

Gene3Di 1.10.600.10. 1 hit.
InterProi IPR002060. Squ/phyt_synthse.
IPR019845. Squalene/phytoene_synthase_CS.
IPR008949. Terpenoid_synth.
[Graphical view ]
Pfami PF00494. SQS_PSY. 1 hit.
[Graphical view ]
SUPFAMi SSF48576. SSF48576. 1 hit.
PROSITEi PS01044. SQUALEN_PHYTOEN_SYN_1. 1 hit.
PS01045. SQUALEN_PHYTOEN_SYN_2. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "Daucus carota phytoene synthase."
    Uno T., Sankawa U.
    Submitted (SEP-1999) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [MRNA].
    Tissue: Root.

Entry informationi

Entry nameiPSY_DAUCA
AccessioniPrimary (citable) accession number: Q9SSU8
Entry historyi
Integrated into UniProtKB/Swiss-Prot: December 1, 2000
Last sequence update: May 1, 2000
Last modified: February 19, 2014
This is version 61 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Multifunctional enzyme

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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