Table 1

Characteristics of L-Arg stimulated ion channel activity of the three enrichment steps compared with the same parameters from the native L-Arg stimulated channels as reported by Kumazawa et al.*

Sample

+Unitary Conductance pS

Concentration of L-Arg, μM

Concentration of D-Arg, μM

Cation-anion selectivity


RCA-I lectin column material

58 ± 5

----

Sephacryl S300 column material

66 ± 3

1 – 50

10 – 200

Weak cation (PNa/PCl = 2.2)

Ion-exchange column material

73 ± 7

--

Ion Channels from Taste Tissue

40 – 60 75–100

1 – 200

10 – 200

Cation


* From Kumazawa [31] + Data on unitary conductance reported as Mean ± SD obtained from at least three experiments.

Grosvenor et al. BMC Neuroscience 2004 5:25   doi:10.1186/1471-2202-5-25

Open Data