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2.A.2.4.6
Vacuolar sucrose;H+ symporter Suc4, Catalyzes sucrose export from vacuoles (Schulz et al., 2011)

Accession Number:Q9FE59
Protein Name:Sucrose transport protein SUC4
Length:510
Molecular Weight:54784.00
Species:Arabidopsis thaliana (Mouse-ear cress) [3702]
Number of TMSs:12
Location1 / Topology2 / Orientation3: Cell membrane1 / Multi-pass membrane protein2
Substrate Sucrose, H+

Cross database links:

Genevestigator: Q9FE59
eggNOG: KOG0637
HEGENOM: HBG587870
Entrez Gene ID: 837530   
Pfam: PF07690   
KEGG: ath:AT1G09960   

Gene Ontology

GO:0005887 C:integral to plasma membrane
GO:0005773 C:vacuole
GO:0008515 F:sucrose transmembrane transporter activity
GO:0015293 F:symporter activity

References (5)

[1] “A new subfamily of sucrose transporters, SUT4, with low affinity/high capacity localized in enucleate sieve elements of plants.”  Weise A.et.al.   10948254
[2] “Sequence and analysis of chromosome 1 of the plant Arabidopsis thaliana.”  Theologis A.et.al.   11130712
[3] “Empirical analysis of transcriptional activity in the Arabidopsis genome.”  Yamada K.et.al.   14593172
[4] “Interactions between co-expressed Arabidopsis sucrose transporters in the split-ubiquitin system.”  Schulze W.X.et.al.   12689351
[5] “The companion cell-specific Arabidopsis disaccharide carrier AtSUC2 is expressed in nematode-induced syncytia.”  Juergensen K.et.al.   12529515

External Searches:

  • Search: DB with
  • BLAST ExPASy (Swiss Institute of Bioinformatics (SIB) BLAST)
  • CDD Search (Conserved Domain Database)
  • Search COGs (Clusters of Orthologous Groups of proteins)
  • 2° Structure (Network Protein Sequence Analysis)

Analyze:

Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MATSDQDRRH RVTRNRPPIA RPSTSSSRPV VSPPRSKVSK RVLLRVASVA CGIQFGWALQ 
61:	LSLLTPYVQE LGIPHAWASV IWLCGPLSGL FVQPLVGHSS DRCTSKYGRR RPFIVAGAVA 
121:	ISISVMVIGH AADIGWAFGD REGKIKPRAI VAFVLGFWIL DVANNMTQGP CRALLADLTE 
181:	NDNRRTRVAN GYFSLFMAVG NVLGYATGSY NGWYKIFTFT KTVACNVECA NLKSAFYIDV 
241:	VFIAITTILS VSAAHEVPLA SLASEAHGQT SGTDEAFLSE IFGTFRYFPG NVWIILLVTA 
301:	LTWIGWFPFI LFDTDWMGRE IYGGEPNIGT SYSAGVSMGA LGLMLNSVFL GITSVLMEKL 
361:	CRKWGAGFVW GISNILMAIC FLGMIITSFV ASHLGYIGHE QPPASIVFAA VLIFTILGIP 
421:	LAITYSVPYA LISIRIESLG LGQGLSLGVL NLAIVIPQVI VSVGSGPWDQ LFGGGNSPAL 
481:	AVGAATGFIG GIVAILALPR TRIQKPIPLP