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Q9SSU8

- PSY_DAUCA

UniProt

Q9SSU8 - PSY_DAUCA

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Protein

Phytoene synthase, chloroplastic

Gene

PSY

Organism
Daucus carota (Wild 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

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 (Wild carrot)
Taxonomic identifieri4039 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaeasteridscampanulidsApialesApiaceaeApioideaeScandiceaeDaucinaeDaucus

Subcellular locationi

GO - Cellular componenti

  1. chloroplast Source: UniProtKB-KW
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 – ?ChloroplastSequence Analysis

Interactioni

Subunit structurei

Monomer.By similarity

Structurei

3D structure databases

ProteinModelPortaliQ9SSU8.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the phytoene/squalene synthase family.Curated

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

« Hide

        10         20         30         40         50
MACNFAVRVI YYPKEIHGVS VLNTNRSRKS RFSCRVMKLS TGVSAVAANP
60 70 80 90 100
VRTSEERVYE VVLKQAALVR EEKRSSRGLC LDTKRTGSKS FDKSENDDAG
110 120 130 140 150
MKSWNLLNEA YDRCGEVCAE YAKTFYLGTL LMTPERRRAV WAIYVWCRRT
160 170 180 190 200
DELVDGPNAS HITPKALDRW EKRLNDLFDG QPYDMYDAAL ADTVSTYPVD
210 220 230 240 250
IQPFKDMIDG MRMDLKKSRY QTFDELYLYC YYVAGTVGLM SVPVMGIAPE
260 270 280 290 300
SKATTESVYS AALALGIANQ LTNILRDVGE DARRGRIYLP QEELKLAGIT
310 320 330 340 350
PEYIFKGKVT DKWRSFMKGQ IKRARMFFDE AEKGVAELSS ASRWPVWASL
360 370 380 390
LLYKQILDAI EANDYDNFTK RAYVGKAKKL VSLPLAYSRA LFAPSTVR
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...
MobiDBi 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: October 29, 2014
This is version 63 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