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. 1988 Nov 15;256(1):299–302. doi: 10.1042/bj2560299

Energetics of renal Na+ and H+/L-alanine co-transport systems.

H Jessen 1, H Vorum 1, K E Jørgensen 1, M I Sheikh 1
PMCID: PMC1135403  PMID: 2851984

Abstract

The stoichiometric properties of Na+- and H+-dependent L-alanine transporters recently identified in luminal-membrane vesicles prepared from proximal convoluted tubules (pars convoluta) and proximal straight tubules (pars recta) of rabbit kidney were studied. We provide indirect evidence suggesting that one Na+ and one H+ ion are co-transported with the L-alanine molecule via Na+-dependent and H+-dependent transport systems located in vesicles from pars convoluta. Furthermore, our experimental data suggest that both the high-affinity and the low-affinity Na+-dependent L-alanine transport systems of pars recta vesicles operate with a 1:1 stoichiometry.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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