Comparison of human solute carriers

Avner Schlessinger, Pär Matsson, James E. Shima, Ursula Pieper, Sook Wah Yee, Libusha Kelly, Leonard Apeltsin, Robert M. Stroud, Thomas E. Ferrin, Kathleen M. Giacomini, Andrej Sali

Research output: Contribution to journalArticle

64 Citations (Scopus)

Abstract

Solute carriers are eukaryotic membrane proteins that control the uptake and efflux of solutes, including essential cellular compounds, environmental toxins, and therapeutic drugs. Solute carriers can share similar structural features despite weak sequence similarities. Identification of sequence relationships among solute carriers is needed to enhance our ability to model individual carriers and to elucidate the molecular mechanisms of their substrate specificity and transport. Here, we describe a comprehensive comparison of solute carriers. We link the proteins using sensitive profile-profile alignments and two classification approaches, including similarity networks. The clusters are analyzed in view of substrate type, transport mode, organism conservation, and tissue specificity. Solute carrier families with similar substrates generally cluster together, despite exhibiting relatively weak sequence similarities. In contrast, some families cluster together with no apparent reason, revealing unexplored relationships. We demonstrate computationally and experimentally the functional overlap between representative members of these families. Finally, we identify four putative solute carriers in the human genome. The solute carriers include a biomedically important group of membrane proteins that is diverse in sequence and structure. The proposed classification of solute carriers, combined with experiment, reveals new relationships among the individual families and identifies new solute carriers. The classification scheme will inform future attempts directed at modeling the structures of the solute carriers, a prerequisite for describing the substrate specificities of the individual families. Published by Wiley-Blackwell.

Original languageEnglish (US)
Pages (from-to)412-428
Number of pages17
JournalProtein Science
Volume19
Issue number3
DOIs
StatePublished - Mar 2010
Externally publishedYes

Fingerprint

Substrates
Substrate Specificity
Membrane Proteins
Organ Specificity
Aptitude
Human Genome
Conservation
Genes
Tissue
Pharmaceutical Preparations
Experiments
Therapeutics
link protein

Keywords

  • Family classification
  • Pharmacogenetics
  • Profile-profile alignment
  • Protein function prediction
  • Sequence analysis
  • Solute carrier transporters

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology

Cite this

Schlessinger, A., Matsson, P., Shima, J. E., Pieper, U., Yee, S. W., Kelly, L., ... Sali, A. (2010). Comparison of human solute carriers. Protein Science, 19(3), 412-428. https://doi.org/10.1002/pro.320

Comparison of human solute carriers. / Schlessinger, Avner; Matsson, Pär; Shima, James E.; Pieper, Ursula; Yee, Sook Wah; Kelly, Libusha; Apeltsin, Leonard; Stroud, Robert M.; Ferrin, Thomas E.; Giacomini, Kathleen M.; Sali, Andrej.

In: Protein Science, Vol. 19, No. 3, 03.2010, p. 412-428.

Research output: Contribution to journalArticle

Schlessinger, A, Matsson, P, Shima, JE, Pieper, U, Yee, SW, Kelly, L, Apeltsin, L, Stroud, RM, Ferrin, TE, Giacomini, KM & Sali, A 2010, 'Comparison of human solute carriers', Protein Science, vol. 19, no. 3, pp. 412-428. https://doi.org/10.1002/pro.320
Schlessinger A, Matsson P, Shima JE, Pieper U, Yee SW, Kelly L et al. Comparison of human solute carriers. Protein Science. 2010 Mar;19(3):412-428. https://doi.org/10.1002/pro.320
Schlessinger, Avner ; Matsson, Pär ; Shima, James E. ; Pieper, Ursula ; Yee, Sook Wah ; Kelly, Libusha ; Apeltsin, Leonard ; Stroud, Robert M. ; Ferrin, Thomas E. ; Giacomini, Kathleen M. ; Sali, Andrej. / Comparison of human solute carriers. In: Protein Science. 2010 ; Vol. 19, No. 3. pp. 412-428.
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