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2.A.72.3.1
High affinity K+ transporter

Accession Number:O22397
Protein Name:Potassium transporter 1
Length:712
Molecular Weight:79127.00
Species: [3702]
Number of TMSs:13
Location1 / Topology2 / Orientation3: Cell membrane1 / Multi-pass membrane protein2
Substrate K+

Cross database links:

Genevestigator: O22397
eggNOG: euNOG08606
HEGENOM: HBG606427
RefSeq: NP_180568.1   
Entrez Gene ID: 817558   
Pfam: PF02705   
BioCyc: MetaCyc:MONOMER-14583   
KEGG: ath:AT2G30070   

Gene Ontology

GO:0016021 C:integral to membrane
GO:0005886 C:plasma membrane
GO:0015079 F:potassium ion transmembrane transporter act...
GO:0006813 P:potassium ion transport

References (5)

[1] “A new family of K+ transporters from Arabidopsis that are conserved across phyla.”  Quintero F.J.et.al.   9350997
[2] “AtKUP1: an Arabidopsis gene encoding high-affinity potassium transport activity.”  Kim E.J.et.al.   9477571
[3] “AtKUP1: a dual-affinity K+ transporter from Arabidopsis.”  Fu H.-H.et.al.   9477572
[4] “Sequence and analysis of chromosome 2 of the plant Arabidopsis thaliana.”  Lin X.et.al.   10617197
[5] “Phylogenetic relationships within cation transporter families of Arabidopsis.”  Maeser P.et.al.   11500563

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:	MNQSPSLIEQ GISQQHLKTL SCANVLTLAY QSLGVIYGDL STSPLYVYKT TFSGKLSLHE 
61:	DDEEIFGVFS FIFWTFTLIA LFKYVFIVLS ADDNGEGGTF ALYSLLCRYA KLSILPNHQE 
121:	MDEKLSTYAT GSPGETRQSA AVKSFFEKHP KSQKCLLLFV LLGTCMAIGD SVLTPTISVL 
181:	SAVSGVKLKI PNLHENYVVI IACIILVAIF SVQRYGTHRV AFIFAPISTA WLLSISSIGV 
241:	YNTIKWNPRI VSALSPVYMY KFLRSTGVEG WVSLGGVVLS ITGVETMFAD LGHFSSLSIK 
301:	VAFSFFVYPC LILAYMGEAA FLSKHHEDIQ QSFYKAIPEP VFWPVFIVAT FAAVVGSQAV 
361:	ISATFSIISQ CCALDCFPRV KIIHTSSKIH GQIYIPEVNW MLMCLCLAVT IGLRDTNMMG 
421:	HAYGLAVTSV MLVTTCLMTL VMTIVWKQRI ITVLAFVVFF GSIELLYFSS CVYKVPEGGW 
481:	IPILLSLTFM AVMYIWNYGT TKKHEFDVEN KVSMDRIVSL GPSIGMVRVP GIGLVYSNLV 
541:	TGVPAVFGHF VTNLPAFHKI LVFVCVKSVQ VPYVGEEERF VISRVGPKEY GMFRSVVRYG 
601:	YRDVPREMYD FESRLVSAIV EFVETEPGLE EEEMSSVRRK KEECMEIMEA KEAGVAYILG 
661:	HSYAKAKQSS SVLKKLAVNV VFAFMSTNCR GTDVVLNVPH TSLLEVGMVY YV