Identification
Name:Trk system potassium uptake protein trkH
Synonyms:Not Available
Gene Name:trkH
Enzyme Class:Not Available
Biological Properties
General Function:Involved in cation transmembrane transporter activity
Specific Function:Low-affinity potassium transport system. Interacts with trk system potassium uptake protein trkA and requires trkE for transport activity
Cellular Location:Cell inner membrane; Multi-pass membrane protein
SMPDB Pathways:Not Available
KEGG Pathways:Not Available
Transports:
Transport References:
  • Orth, J. D., Conrad, T. M., Na, J., Lerman, J. A., Nam, H., Feist, A. M., Palsson, B. O. (2011). "A comprehensive genome-scale reconstruction of Escherichia coli metabolism--2011." Mol Syst Biol 7:535. Pubmed: 21988831
Metabolites:
ECMDB IDNameView
ECMDB21225Hydrogen ionMetaboCard
ECMDB04139PotassiumMetaboCard
GO Classification:
Component
cell part
integral to membrane
intrinsic to membrane
membrane part
Function
cation transmembrane transporter activity
ion transmembrane transporter activity
substrate-specific transmembrane transporter activity
transmembrane transporter activity
transporter activity
Process
cation transport
establishment of localization
ion transport
transmembrane transport
transport
Gene Properties
Blattner:b3849
Gene OrientationClockwise
Centisome Percentage:86.88
Left Sequence End4031168
Right Sequence End4032619
Gene Sequence:
>1452 bp
ATGTCAGCTCAAATCAACAACATCCGCCCGGAATTTGATCGTGAAATCGTTGATATCGTC
GATTACGTCATGAACTACGAAATCAGCTCTAAAGTGGCCTACGACACCGCACATTACTGC
CTGCTCGACACGCTCGGCTGCGGTCTGGAAGCTCTCGAATACCCGGCCTGTAAAAAACTG
CTGGGGCCAATTGTTCCCGGCACCGTCGTACCCAACGGCGTGCGCGTCCCCGGAACTCAG
TTCCAGCTCGACCCCGTCCAGGCGGCATTTAACATCGGCGCGATGATCCGCTGGCTCGAT
TTCAACGATACCTGGCTGGCGGCGGAGTGGGGCCATCCTTCCGACAACCTCGGCGGCATT
CTGGCAACGGCGGACTGGCTTTCGCGCAACGCGGTCGCCAGCGGCAAAGCGCCGTTGACC
ATGAAACAGGTGCTGACCGCAATGATCAAAGCCCATGAAATTCAGGGCTGCATCGCGCTG
GAAAACTCCTTTAACCGCGTCGGCCTCGACCACGTTCTGTTAGTGAAAGTGGCTTCCACC
GCCGTGGTCGCCGAAATGCTCGGCCTGACCCGCGAGGAAATTCTCAACGCCGTTTCGCTG
GCGTGGGTGGACGGTCAGTCGCTGCGCACCTATCGCCATGCGCCGAACACCGGCACGCGT
AAATCCTGGGCGGCGGGCGATGCCACTTCCCGCGCGGTACGTCTGGCACTGATGGCGAAA
ACGGGCGAAATGGGTTACCCGTCAGCCCTGACTGCGCCGGTGTGGGGCTTCTACGACGTC
TCCTTTAAAGGTGAATCGTTCCGCTTCCAGCGCCCGTACGGTTCCTACGTTATGGAAAAT
GTGCTGTTCAAAATCTCCTTCCCGGCGGAGTTCCACTCCCAGACGGCAGTTGAAGCAGCG
ATGACGCTCTATGAACAGATGCAGGCAGCAGGCAAAACGGCGGCGGATATCGAAAAAGTG
ACCATTCGCACCCACGAAGCCTGTATTCGCATCATCGACAAAAAAGGGCCGCTCAATAAC
CCGGCAGACCGCGATCACTGCATTCAGTACATGGTGGCGATCCCGCTGCTATTCGGGCGC
TTAACGGCGGCAGATTACGAGGACAACGTTGCGCAAGATAAACGCATTGACGCCCTGCGC
GAGAAGATCAATTGCTTTGAAGATCCGGCATTTACCGCTGACTACCACGACCCGGAAAAA
CGCGCCATCGCCAATGCCATTACCCTTGAGTTCACCGACGGCACACGATTTGAAGAAGTG
GTGGTGGAGTACCCCATTGGTCATGCTCGCCGCCGTCAGGATGGTATTCCGAAACTGGTC
GATAAATTCAAAATCAATCTCGCGCGCCAGTTCCCGACTCGCCAACAGCAGCGCATTCTG
GAGGTTTCTCTCGACAGAGCTCGCCTGGAACAGATGCCGGTCAATGAGTATCTCGACCTG
TACGTCATTTAA
Protein Properties
Pfam Domain Function:
Protein Residues:483
Protein Molecular Weight:52959
Protein Theoretical pI:9
Signaling Regions:
  • None
Transmembrane Regions:
  • 9-29
  • 35-55
  • 70-90
  • 109-129
  • 136-156
  • 185-205
  • 240-260
  • 277-297
  • 329-349
  • 397-417
  • 423-443
Protein Sequence:
>Trk system potassium uptake protein trkH
MHFRAITRIVGLLVILFSGTMIIPGLVALIYRDGAGRAFTQTFFVALAIGSMLWWPNRKE
KGELKSREGFLIVVLFWTVLGSVGALPFIFSESPNLTITDAFFESFSGLTTTGATTLVGL
DSLPHAILFYRQMLQWFGGMGIIVLAVAILPILGVGGMQLYRAEMPGPLKDNKMRPRIAE
TAKTLWLIYVLLTVACALALWFAGMDAFDAIGHSFATIAIGGFSTHDASIGYFDSPTINT
IIAIFLLISGCNYGLHFSLLSGRSLKVYWRDPEFRMFIGVQFTLVVICTLVLWFHNVYSS
ALMTINQAFFQVVSMATTAGFTTDSIARWPLFLPVLLLCSAFIGGCAGSTGGGLKVIRIL
LLFKQGNRELKRLVHPNAVYSIKLGNRALPERILEAVWGFFSAYALVFIVSMLAIIATGV
DDFSAFASVVATLNNLGPGLGVVADNFTSMNPVAKWILIANMLFGRLEVFTLLVLFTPTF
WRE
References
External Links:
ResourceLink
Uniprot ID:P0AFZ7
Uniprot Name:TRKH_ECOLI
GenBank Gene ID:AP009048
Genebank Protein ID:85674476
Ecogene ID:EG11021
Ecocyc:EG11021
ColiBase:b3849
Kegg Gene:b3849
EchoBASE ID:EB1014
CCDB:TRKH_ECOLI
BacMap:49176432
General Reference:
  • Blattner, F. R., Plunkett, G. 3rd, Bloch, C. A., Perna, N. T., Burland, V., Riley, M., Collado-Vides, J., Glasner, J. D., Rode, C. K., Mayhew, G. F., Gregor, J., Davis, N. W., Kirkpatrick, H. A., Goeden, M. A., Rose, D. J., Mau, B., Shao, Y. (1997). "The complete genome sequence of Escherichia coli K-12." Science 277:1453-1462. Pubmed: 9278503
  • Daley, D. O., Rapp, M., Granseth, E., Melen, K., Drew, D., von Heijne, G. (2005). "Global topology analysis of the Escherichia coli inner membrane proteome." Science 308:1321-1323. Pubmed: 15919996
  • Daniels, D. L., Plunkett, G. 3rd, Burland, V., Blattner, F. R. (1992). "Analysis of the Escherichia coli genome: DNA sequence of the region from 84.5 to 86.5 minutes." Science 257:771-778. Pubmed: 1379743
  • Hayashi, K., Morooka, N., Yamamoto, Y., Fujita, K., Isono, K., Choi, S., Ohtsubo, E., Baba, T., Wanner, B. L., Mori, H., Horiuchi, T. (2006). "Highly accurate genome sequences of Escherichia coli K-12 strains MG1655 and W3110." Mol Syst Biol 2:2006.0007. Pubmed: 16738553
  • Nakahigashi, K., Inokuchi, H. (1990). "Nucleotide sequence between the fadB gene and the rrnA operon from Escherichia coli." Nucleic Acids Res 18:6439. Pubmed: 2243799
  • Riley, M., Abe, T., Arnaud, M. B., Berlyn, M. K., Blattner, F. R., Chaudhuri, R. R., Glasner, J. D., Horiuchi, T., Keseler, I. M., Kosuge, T., Mori, H., Perna, N. T., Plunkett, G. 3rd, Rudd, K. E., Serres, M. H., Thomas, G. H., Thomson, N. R., Wishart, D., Wanner, B. L. (2006). "Escherichia coli K-12: a cooperatively developed annotation snapshot--2005." Nucleic Acids Res 34:1-9. Pubmed: 16397293
  • Schlosser, A., Meldorf, M., Stumpe, S., Bakker, E. P., Epstein, W. (1995). "TrkH and its homolog, TrkG, determine the specificity and kinetics of cation transport by the Trk system of Escherichia coli." J Bacteriol 177:1908-1910. Pubmed: 7896723