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O07333 (CRTY_ARTPT) Reviewed, UniProtKB/Swiss-Prot

Last modified November 13, 2013. Version 57. 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

EC=2.5.1.32
Gene names
Name:crtB
Synonyms:pys
OrganismArthrospira platensis (Spirulina platensis)
Taxonomic identifier118562 [NCBI]
Taxonomic lineageBacteriaCyanobacteriaOscillatoriophycideaeOscillatorialesArthrospira

Protein attributes

Sequence length309 AA.
Sequence statusComplete.
Protein existenceInferred from homology

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.

Sequence similarities

Belongs to the phytoene/squalene synthase family.

Ontologies

Keywords
   Biological processCarotenoid biosynthesis
   Molecular functionTransferase
   Technical termMultifunctional enzyme
Gene Ontology (GO)
   Biological_processcarotenoid biosynthetic process

Inferred from electronic annotation. Source: UniProtKB-KW

   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

Chain1 – 309309Phytoene synthase
PRO_0000067436

Sequences

Sequence LengthMass (Da)Tools
O07333 [UniParc].

Last modified July 1, 1997. Version 1.
Checksum: C42A1C6431604C75

FASTA30935,945
        10         20         30         40         50         60 
MLQLSKSPCM RTPATRSDSY ELCRQITAQY AKTFYLGTQL MPLAKRQAIW AIYVWCRRTD 

        70         80         90        100        110        120 
ELVDGPMASS TTLETLDHWE EQLESIFAGH PIEPVDVALV DTLGRFPLDI QPFRDMIAGQ 

       130        140        150        160        170        180 
RMDLSRNRYN TFDELNLYCY RVAGTVGLMS LAVMGTAEPD LSVPWNRDQS IYYPKEEAIA 

       190        200        210        220        230        240 
LGIANQLTNI LRDVGEDARR GRIYLPLDDL ALFNYTEADL LNGKVDERWR ELMRFQIQRA 

       250        260        270        280        290        300 
RKFYTLAEEG IAALHPDIRW PVWTALMLYR QILDEIERNE YDVFNQRAYV PTWKKMMCLP 


LAQLRARVL 

« Hide

References

[1]Kawata Y., Yano S., Kojima H.
Submitted (FEB-1997) to the EMBL/GenBank/DDBJ databases
Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
Strain: IAM M-135.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
AB001284 Genomic DNA. Translation: BAA20384.1.

3D structure databases

ProteinModelPortalO07333.
ModBaseSearch...
MobiDBSearch...

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Enzyme and pathway databases

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 nameCRTY_ARTPT
AccessionPrimary (citable) accession number: O07333
Entry history
Integrated into UniProtKB/Swiss-Prot: December 15, 1998
Last sequence update: July 1, 1997
Last modified: November 13, 2013
This is version 57 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Relevant documents

SIMILARITY comments

Index of protein domains and families

PATHWAY comments

Index of metabolic and biosynthesis pathways