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2.A.123.1.13
Bidirectional sugar (sucrose) transporter SWEET11 (AtSWEET11).  Oligomerization, probably to the dimeric form, has been demonstrated (Xuan et al. 2013). Important for phloem loading.

Accession Number:Q9SMM5
Protein Name:Bidirectional sugar transporter SWEET11
Length:289
Molecular Weight:31921.00
Species:Arabidopsis thaliana (Mouse-ear cress) [3702]
Number of TMSs:7
Location1 / Topology2 / Orientation3: Cell membrane1 / Multi-pass membrane protein2
Substrate sucrose

Cross database links:

Entrez Gene ID: 824035   
Pfam: PF03083   
KEGG: ath:AT3G48740   

Gene Ontology

GO:0005887 C:integral to plasma membrane
GO:0008515 F:sucrose transmembrane transporter activity

References (4)

[1] “Sequence and analysis of chromosome 3 of the plant Arabidopsis thaliana.”  Salanoubat M.et.al.   11130713
[2] “Empirical analysis of transcriptional activity in the Arabidopsis genome.”  Yamada K.et.al.   14593172
[3] “Large-scale Arabidopsis phosphoproteome profiling reveals novel chloroplast kinase substrates and phosphorylation networks.”  Reiland S.et.al.   19376835
[4] “Sugar transporters for intercellular exchange and nutrition of pathogens.”  Chen L.-Q.et.al.   21107422

External Searches:

Analyze:

Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MSLFNTENTW AFVFGLLGNL ISFAVFLSPV PTFYRIWKKK TTEGFQSIPY VVALFSATLW 
61:	LYYATQKKDV FLLVTINAFG CFIETIYISM FLAYAPKPAR MLTVKMLLLM NFGGFCAILL 
121:	LCQFLVKGAT RAKIIGGICV GFSVCVFAAP LSIIRTVIKT RSVEYMPFSL SLTLTISAVI 
181:	WLLYGLALKD IYVAFPNVLG FALGALQMIL YVVYKYCKTS PHLGEKEVEA AKLPEVSLDM 
241:	LKLGTVSSPE PISVVRQANK CTCGNDRRAE IEDGQTPKHG KQSSSAAAT