Table II.

Q₁₀ Values for Ion Channel Permeation and Gating

Channel		°C		Conductance		τact		τtail		τi		τrecovery		Reference
KIR (frog muscle)		3.5–17.5		1.67		2.45		—		—		—		Almers, 1971
(tunicate oocyte)		5–20		1.44*		—		—		3.41V *		—		Ohmori, 1978
(starfish oocyte)		1–26		1.62H–5.8L		—		—		—		—		Hagiwara and Yoshii, 1980
(guinea pig myocyte)		5–37		1.15		1.45		—		—		—		Martin et al., 1995
(cat cardiac myocyte)		5–37		1.22		1.82		—		—		—		Martin et al., 1995
KV (Xenopus laevis)		5–20		1.2		3.2		2.8		—		—		Frankenhaeuser and Moore, 1963
(Myxicola axon)		5–14		—		2.40		—		3.02β		1.70β		Schauf and Bullock, 1982
(rat muscle)		1–37		1.42		2H–6L		1.7H–11.5L		—		—		Beam and Donaldson, 1983
(human T-cell)		27–37		1.56		3.31		7.09		3.87		9.81		Lee and Deutsch, 1990
(human T-cell)		20–25		1.18*		2.9		—		2.2		—		Pahapill and Schlichter, 1990
ShB K+ peptide		5–20		—		—		—		5.0176		<1.1176		Murrell-Lagnado and Aldrich, 1993
Shaker K+		5–20		1.51		3.14		—		7.2		1.57		Nobile et al., 1997
KCa (human RBC)		0–47		1.50		—		—		—		—		Grygorczyk, 1987
Na+ (X. laevis)		5–20		1.3		1.8		1.7		—		—		Frankenhaeuser and Moore, 1963
(squid axon)		0–16		—		2.35		—		2.7H–4.3L		—		Kimura and Meves, 1979
(rabbit nerve)		0–25		1.7H–4.7L		—		—		3H–33L		—		Chiu et al., 1979
(neuroblastoma)		5.6–14		—		—		—		1.3α *		1.3α *		Yamamoto and Yeh, 1984
(frog muscle)		0–22		—		2.4		—		3.0H–5.3L		—		Kirsch and Sykes, 1987
(rabbit muscle)		0–22		—		2.3		—		3.4H–9.1L		—		Kirsch and Sykes, 1987
AchR (BC3H-1)		10–40		1.26H–1.55L *		3.6*		—		—		—		Dilger et al., 1991
Ca2+ (muscle)		—		1.3–1.6*		∼3.0		∼3.0		—		—		McDonald et al., 1994
CIC-0		9–40		1.4*		—		2.2		∼40		—		Pusch et al., 1997
Alamethicin		−1–32		1.28–1.31		2.9H–9.0L		2.04		—		—		Boheim and Kolb, 1978
Gramicidin (K+, Na+)		3–23		1.38,* 1.34*		—		3.1*		—		—		Hladky and Haydon, 1972
Gramicidin (Na+)		10–40		1.52*		3.09		2.62		—		—		Bamberg and Läuger, 1974
Gramicidin (H+)		15–22		1.33*		—		—		—		—		Akeson and Deamer, 1991
H+ (snail neuron)		10–25		2.1		—		—		—		—		Byerly and Suen, 1989
(mammalian cells)		5–44		2.8H, 5.3L		6–9		6–8		—		—		This study

For a variety of ion channels, Q ₁₀ values are listed for the conductance, and for kinetic parameters reflecting gating transitions: activation, deactivation, and inactivation (in some cases block). Q ₁₀ values not given in original references were calculated from Arrhenius activation energy values or other available data (see materials and methods).  

^*Values for single channel currents, which are not complicated by possible interactions between gating and conductance. Several measurements reflect block, rather than intrinsic gating: ^vvoltage-dependent Na⁺ block,  

¹⁷⁶block by the inactivation peptide, ^βblock and unblock by nonyltriethylammonium ions, ^αblock and unblock by 9-aminoacridine. ^H Q ₁₀ at higher temperatures, ^L Q ₁₀ at lower temperatures.