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P37273 (PSY2_SOLLC) Reviewed, UniProtKB/Swiss-Prot

Last modified February 19, 2014. Version 75. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (2) | Third-party data text xml rdf/xml gff fasta
to top of pageNames·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order

Names and origin

Protein namesRecommended name:
Phytoene synthase 2, chloroplastic

EC=2.5.1.32
Gene names
Name:PSY2
OrganismSolanum lycopersicum (Tomato) (Lycopersicon esculentum) [Reference proteome]
Taxonomic identifier4081 [NCBI]
Taxonomic lineageEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaeasteridslamiidsSolanalesSolanaceaeSolanoideaeSolaneaeSolanumLycopersicon

Protein attributes

Sequence length310 AA.
Sequence statusFragment.
Sequence processingThe displayed sequence is further processed into a mature form.
Protein existenceEvidence at transcript level

General annotation (Comments)

Function

Catalyzes the reaction from prephytoene diphosphate to phytoene.

Catalytic activity

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

Pathway

Carotenoid biosynthesis; phytoene biosynthesis; all-trans-phytoene from geranylgeranyl diphosphate: step 1/1.

Subunit structure

Monomer By similarity.

Subcellular location

Plastidchloroplast.

Developmental stage

In mature leaves.

Sequence similarities

Belongs to the phytoene/squalene synthase family.

Ontologies

Keywords
   Biological processCarotenoid biosynthesis
Isoprene biosynthesis
   Cellular componentChloroplast
Plastid
   DomainTransit peptide
   Molecular functionTransferase
   Technical termComplete proteome
Multifunctional enzyme
Reference proteome
Gene Ontology (GO)
   Biological_processcarotenoid biosynthetic process

Inferred from electronic annotation. Source: UniProtKB-KW

   Cellular_componentchloroplast

Inferred from electronic annotation. Source: UniProtKB-SubCell

   Molecular_functiongeranylgeranyl-diphosphate geranylgeranyltransferase activity

Inferred from electronic annotation. Source: UniProtKB-EC

Complete GO annotation...

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Transit peptide‹1 – 25›25Chloroplast Potential
Chain26 – 310285Phytoene synthase 2, chloroplastic
PRO_0000029857

Experimental info

Non-terminal residue11

Sequences

Sequence LengthMass (Da)Tools
P37273 [UniParc].

Last modified October 1, 1994. Version 1.
Checksum: 8EAF60FE1D9F4CF5

FASTA31035,224
        10         20         30         40         50         60 
DPDIVLPGNL GLLSEAYDRC GEVCAEYAKT FYLGTMLMTP DRRRAIWAIY VWCRRTDELV 

        70         80         90        100        110        120 
DGPNASHITP QALDRWEARL EDIFNGRPFD MLDAALSDTV SRFPVDIQPF RDMVEGMRMD 

       130        140        150        160        170        180 
LWKSRYNNFD ELYLYCYYVA GTVGLMSVPI MGIAPESKAT TESVYNAALA LGIANQLTNI 

       190        200        210        220        230        240 
LRDVGEDARR GRVYLPQDEL AQAGLSDEDI FAGKVTDKWR IFMKKQIQRA RKFFDEAEKG 

       250        260        270        280        290        300 
VTELSSASRW PVLASLLLYR KILDEIEAND YNNFTRRAYV SKPKKLLTLP IAYARSLVPP 

       310 
KSTSCPLAKT 

« Hide

References

[1]"cDNA cloning, expression during development, and genome mapping of PSY2, a second tomato gene encoding phytoene synthase."
Bartley G.E., Scolnik P.A.
J. Biol. Chem. 268:25718-25721(1993) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [MRNA].
Tissue: Leaf.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
L23424 mRNA. Translation: AAA34187.1.
PIRA49558.
UniGeneLes.13763.

3D structure databases

ProteinModelPortalP37273.
ModBaseSearch...
MobiDBSearch...

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Enzyme and pathway databases

SABIO-RKP37273.
UniPathwayUPA00799; UER00773.

Family and domain databases

Gene3D1.10.600.10. 1 hit.
InterProIPR002060. Squ/phyt_synthse.
IPR019845. Squalene/phytoene_synthase_CS.
IPR008949. Terpenoid_synth.
[Graphical view]
PfamPF00494. SQS_PSY. 1 hit.
[Graphical view]
SUPFAMSSF48576. SSF48576. 1 hit.
PROSITEPS01044. SQUALEN_PHYTOEN_SYN_1. 1 hit.
PS01045. SQUALEN_PHYTOEN_SYN_2. 1 hit.
[Graphical view]
ProtoNetSearch...

Entry information

Entry namePSY2_SOLLC
AccessionPrimary (citable) accession number: P37273
Entry history
Integrated into UniProtKB/Swiss-Prot: October 1, 1994
Last sequence update: October 1, 1994
Last modified: February 19, 2014
This is version 75 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Relevant documents

SIMILARITY comments

Index of protein domains and families

PATHWAY comments

Index of metabolic and biosynthesis pathways