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2.A.84.1.1
The chloroplast MEX1 maltose exporter

Accession Number:Q9LF50
Protein Name:MEX1
Length:415
Molecular Weight:45280.00
Species:Arabidopsis thaliana (Mouse-ear cress) [3702]
Number of TMSs:10
Location1 / Topology2 / Orientation3: Plastid1 / Multi-pass membrane protein2
Substrate Maltose

Cross database links:

Genevestigator: Q9LF50
HEGENOM: HBG596301
RefSeq: NP_568349.1   
Entrez Gene ID: 831618   
KEGG: ath:AT5G17520   

Gene Ontology

GO:0009706 C:chloroplast inner membrane
GO:0016021 C:integral to membrane
GO:0005363 F:maltose transmembrane transporter activity
GO:0000023 P:maltose metabolic process
GO:0009624 P:response to nematode
GO:0005983 P:starch catabolic process
GO:0006810 P:transport

References (5)

[1] “Genetic ablation of root cap cells in Arabidopsis.”  Tsugeki R.et.al.   10536027
[2] “Sequence and analysis of chromosome 5 of the plant Arabidopsis thaliana.”  Tabata S.et.al.   11130714
[3] “Empirical analysis of transcriptional activity in the Arabidopsis genome.”  Yamada K.et.al.   14593172
[4] “A previously unknown maltose transporter essential for starch degradation in leaves.”  Niittylae T.et.al.   14704427
[5] “Proteomics of the chloroplast envelope membranes from Arabidopsis thaliana.”  Ferro M.et.al.   12766230

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)
Window Size: Angle:  
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FASTA formatted sequence
1:	MEGKAIATSL GGDRVLIFPC SPRSSFVFTS RLSSLPLKRA SIGGAVSCSG VNGLTRWNSI 
61:	VSTRRLVPVR SINSESDSDS DFPHENQQGN PGLGKFKEYQ EWDSWTAKFS GGANIPFLML 
121:	QLPQIILNTQ NLLAGNNTAL SAVPWLGMLT GLLGNLSLLS YFAKKREKEA AVVQTLGVVS 
181:	THIVLAQLTM AEAMPIQYFV ATSAVVTIGL IVNCLYYFGK LSKTVWQLWE DVITIGGLSV 
241:	LPQIMWSTFV PLVPNSILPG TTAFGIAVAA IIMARTGKLS EKGVRFVGSL SGWTATLMFM 
301:	WMPVSQMWTN FLNPDNIKGL SSITMLLSMM GNGLMIPRAL FIRDLMWLTG SLWATLFYGY 
361:	GNILCLYLVN CTSQSFFVAA TIGLISWIGL ALWRDAVAYG HNSPFRSLKE LVFGP