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Q54DR1 (FDFT_DICDI) Reviewed, UniProtKB/Swiss-Prot

Last modified April 16, 2014. Version 63. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (3) | 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:
Squalene synthase

Short name=SQS
Short name=SS
EC=2.5.1.21
Alternative name(s):
FPP:FPP farnesyltransferase
Farnesyl-diphosphate farnesyltransferase
Gene names
Name:fdfT
ORF Names:DDB_G0292072
OrganismDictyostelium discoideum (Slime mold) [Reference proteome]
Taxonomic identifier44689 [NCBI]
Taxonomic lineageEukaryotaAmoebozoaMycetozoaDictyosteliidaDictyostelium

Protein attributes

Sequence length416 AA.
Sequence statusComplete.
Protein existenceInferred from homology

General annotation (Comments)

Catalytic activity

2 farnesyl diphosphate + NAD(P)H = squalene + 2 diphosphate + NAD(P)+.

Cofactor

Magnesium By similarity.

Pathway

Terpene metabolism; lanosterol biosynthesis; lanosterol from farnesyl diphosphate: step 1/3.

Subcellular location

Endoplasmic reticulum membrane; Multi-pass membrane protein By similarity.

Sequence similarities

Belongs to the phytoene/squalene synthase family.

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – 416416Squalene synthase
PRO_0000327603

Regions

Transmembrane285 – 30420Helical; Potential
Transmembrane386 – 40621Helical; Potential

Sequences

Sequence LengthMass (Da)Tools
Q54DR1 [UniParc].

Last modified May 24, 2005. Version 1.
Checksum: 02CDC89C06D3DD20

FASTA41647,504
        10         20         30         40         50         60 
MQYMKSLAHP DEFLSLLKIG YTESFKPKSQ LKENLGNKEW CYELLNKTSR SFAFVINELE 

        70         80         90        100        110        120 
PSLKDAICIF YLVLRGLDTI EDDTTVELNT KLPVLTSFSE GLYQPGYKVF GYGMNNDEKN 

       130        140        150        160        170        180 
LVENFDKVVD VFLGLGDGYC TIIHDITRRM ANGMSEFLQK SVVTLPEWDL YCHYVAGLVG 

       190        200        210        220        230        240 
IGLSKIFHAS GLESEWFATA DDESNQMGLF LQKTNIIRDY LEDINEKRIF WPRDVWARYT 

       250        260        270        280        290        300 
LHLENFKEAK YQIPALHCLN DLITNALSHA LIALDYMSRL KNPQVINFCA IPQVMAIGTL 

       310        320        330        340        350        360 
NACYNNYNVF TGVVKIRKGQ RALIVDAIQS KGLTATYELF FKFANEMRHK VPPNDPSAKK 

       370        380        390        400        410 
TIQHLESIEK LCIEKLGYRP SGFNDFISYD WMAVTSLAVS SAFLIARHGP NFFSKL 

« Hide

References

[1]"Sequence and analysis of chromosome 2 of Dictyostelium discoideum."
Gloeckner G., Eichinger L., Szafranski K., Pachebat J.A., Bankier A.T., Dear P.H., Lehmann R., Baumgart C., Parra G., Abril J.F., Guigo R., Kumpf K., Tunggal B., Cox E.C., Quail M.A., Platzer M., Rosenthal A., Noegel A.A.
Nature 418:79-85(2002) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: AX4.
[2]"The genome of the social amoeba Dictyostelium discoideum."
Eichinger L., Pachebat J.A., Gloeckner G., Rajandream M.A., Sucgang R., Berriman M., Song J., Olsen R., Szafranski K., Xu Q., Tunggal B., Kummerfeld S., Madera M., Konfortov B.A., Rivero F., Bankier A.T., Lehmann R., Hamlin N. expand/collapse author list , Davies R., Gaudet P., Fey P., Pilcher K., Chen G., Saunders D., Sodergren E.J., Davis P., Kerhornou A., Nie X., Hall N., Anjard C., Hemphill L., Bason N., Farbrother P., Desany B., Just E., Morio T., Rost R., Churcher C.M., Cooper J., Haydock S., van Driessche N., Cronin A., Goodhead I., Muzny D.M., Mourier T., Pain A., Lu M., Harper D., Lindsay R., Hauser H., James K.D., Quiles M., Madan Babu M., Saito T., Buchrieser C., Wardroper A., Felder M., Thangavelu M., Johnson D., Knights A., Loulseged H., Mungall K.L., Oliver K., Price C., Quail M.A., Urushihara H., Hernandez J., Rabbinowitsch E., Steffen D., Sanders M., Ma J., Kohara Y., Sharp S., Simmonds M.N., Spiegler S., Tivey A., Sugano S., White B., Walker D., Woodward J.R., Winckler T., Tanaka Y., Shaulsky G., Schleicher M., Weinstock G.M., Rosenthal A., Cox E.C., Chisholm R.L., Gibbs R.A., Loomis W.F., Platzer M., Kay R.R., Williams J.G., Dear P.H., Noegel A.A., Barrell B.G., Kuspa A.
Nature 435:43-57(2005) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: AX4.
+Additional computationally mapped references.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
AAFI02000187 Genomic DNA. Translation: EAL61392.1.

3D structure databases

ProteinModelPortalQ54DR1.
ModBaseSearch...
MobiDBSearch...

Protein-protein interaction databases

STRING44689.DDB_0231376.

Proteomic databases

PRIDEQ54DR1.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblProtistsDDB0231376; DDB0231376; DDB_G0292072.
KEGGddi:DDB_G0292072.

Organism-specific databases

dictyBaseDDB_G0292072. fdfT.

Phylogenomic databases

eggNOGCOG1562.
KOK00801.
OMAELGQGYQ.
PhylomeDBQ54DR1.
ProtClustDBCLSZ2429473.

Enzyme and pathway databases

UniPathwayUPA00767; UER00751.

Family and domain databases

Gene3D1.10.600.10. 1 hit.
InterProIPR002060. Squ/phyt_synthse.
IPR006449. Squal_synth.
IPR019845. Squalene/phytoene_synthase_CS.
IPR008949. Terpenoid_synth.
[Graphical view]
PfamPF00494. SQS_PSY. 1 hit.
[Graphical view]
SUPFAMSSF48576. SSF48576. 1 hit.
TIGRFAMsTIGR01559. squal_synth. 1 hit.
PROSITEPS01044. SQUALEN_PHYTOEN_SYN_1. 1 hit.
PS01045. SQUALEN_PHYTOEN_SYN_2. 1 hit.
[Graphical view]
ProtoNetSearch...

Other

PROQ54DR1.

Entry information

Entry nameFDFT_DICDI
AccessionPrimary (citable) accession number: Q54DR1
Entry history
Integrated into UniProtKB/Swiss-Prot: April 8, 2008
Last sequence update: May 24, 2005
Last modified: April 16, 2014
This is version 63 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)

Relevant documents

SIMILARITY comments

Index of protein domains and families

PATHWAY comments

Index of metabolic and biosynthesis pathways

Dictyostelium discoideum

Dictyostelium discoideum: entries, gene names and cross-references to dictyBase