TCDB is operated by the Saier Lab Bioinformatics Group
« See all members of the family


2.A.38.1.6
Trk system potassium uptake protein TrkG

Accession Number:P23849
Protein Name:Trk system potassium uptake protein trkG
Length:485
Molecular Weight:53944.00
Species:Escherichia coli (strain K12) [83333]
Number of TMSs:11
Location1 / Topology2 / Orientation3: Cell inner membrane1 / Multi-pass membrane protein2
Substrate potassium(1+)

Cross database links:

DIP: DIP-11029N
Entrez Gene ID: 945932   
Pfam: PF02386   
KEGG: eco:b1363   

Gene Ontology

GO:0016021 C:integral to membrane
GO:0005886 C:plasma membrane
GO:0008324 F:cation transmembrane transporter activity
GO:0006813 P:potassium ion transport

References (5)

[1] “Subcloning, nucleotide sequence, and expression of trkG, a gene that encodes an integral membrane protein involved in potassium uptake via the Trk system of Escherichia coli.”  Schloesser A.et.al.   2022616
[2] “A 570-kb DNA sequence of the Escherichia coli K-12 genome corresponding to the 28.0-40.1 min region on the linkage map.”  Aiba H.et.al.   9097039
[3] “The complete genome sequence of Escherichia coli K-12.”  Blattner F.R.et.al.   9278503
[4] “Highly accurate genome sequences of Escherichia coli K-12 strains MG1655 and W3110.”  Hayashi K.et.al.   16738553
[5] “Global topology analysis of the Escherichia coli inner membrane proteome.”  Daley D.O.et.al.   15919996

External Searches:

Analyze:

Predict TMSs (Predict number of transmembrane segments)
Window Size: Angle:  
FASTA formatted sequence
1:	MNTSHVRVVT HMCGFLVWLY SLSMLPPMVV ALFYKEKSLF VFFITFVIFF CIGGGAWYTT 
61:	KKSGIQLRTR DGFIIIVMFW ILFSVISAFP LWIDSELNLT FIDALFEGVS GITTTGATVI 
121:	DDVSSLPRAY LYYRSQLNFI GGLGVIVLAV AVLPLLGIGG AKLYQSEMPG PFKDDKLTPR 
181:	LADTSRTLWI TYSLLGIACI VCYRLAGMPL FDAICHGIST VSLGGFSTHS ESIGYFNNYL 
241:	VELVAGSFSL LSAFNFTLWY IVISRKTIKP LIRDIELRFF LLIALGVIIV TSFQVWHIGM 
301:	YDLHGSFIHS FFLASSMLTD NGLATQDYAS WPTHTIVFLL LSSFFGGCIG STCGGIKSLR 
361:	FLILFKQSKH EINQLSHPRA LLSVNVGGKI VTDRVMRSVW SFFFLYTLFT VFFILVLNGM 
421:	GYDFLTSFAT VAACINNMGL GFGATASSFG VLNDIAKCLM CIAMILGRLE IYPVIILFSG 
481:	FFWRS