Skip to main content
. 2021 Oct 6;10:e70408. doi: 10.7554/eLife.70408

Table 2. Parameters for simulations of Ca2+ release from DMN cage.

Parameters Values References number / Notes
Resting Ca2+ [Ca2+]rest 227*10−9 M Measured
Total magnesium [Mg2+]T 0.5*10−3 M Pipette concentration
Fluo-5F [Fluo] 0 or 50 *10−6 M (see Table 1) Pipette concentration
K D 0.83 *10−6 M Delvendahl et al., 2015
k off 249 s-1 ibid
k on 3*108 M−1s−1 Yasuda et al., 2004
OGB-5N [OGB] 0 or 200*10−6 M (see Table 1) Pipette concentration
K D 31.4*10−6 M Measured (Figure 3—figure supplement 1A)
koff 6000 s−1 ibid.
kon 2.5*108 M−1s−1 DiGregorio and Vergara, 1997
ATP [ATP] 5 *10−3 M Pipette concentration
Ca2+ binding K D 2*10−4 M Meinrenken et al., 2002
k off 100 000 s−1 ibid.
k on 5*108 M−1s−1 ibid.
Mg2+ binding K D 100*10−6 M Bollmann et al., 2000; MaxC
k off 1000 s−1 ibid.
k on 1*107 M−1s−1 ibid.
Endogenous buffer [EB] 480 *10−6 M Delvendahl et al., 2015
K D 32*10−6 M ibid
k off 16 000 s−1 ibid.
k on 5*108 M−1s−1 ibid.
Total DM nitrophen [DMn]T 500*10−6 – 10*10−3 M (see Table 1) Pipette concentration
Ca2+ binding K D 6.5*10−9 M Faas et al., 2005
k off 0.19 s−1 ibid.
k on 2.9*107 M−1s−1 ibid.
Mg2+ binding K D 1.5*10−6 M ibid.
k off 0.2 s−1 ibid.
Uncaging fraction α See Table 1
Fast uncaging fraction af 0.67 Faas et al., 2005
Photoproduct 1 [PP1]
Ca2+ binding K D 2.38*10−3 M Faas et al., 2005
k off 69 000 s−1 ibid.
k on 2.9*107 M−1s−1 ibid.
Mg2+ binding K D 1.5*10−6 M ibid.
k off 300 s−1 ibid.
k on 1.3*105 M−1s−1 ibid.
Photoproduct 2 [PP2]
Ca2+ binding K D 124.1*10−6 M Ibid.
k off 3600 s−1 ibid.
k on 2.9*107 M−1s−1 ibid.
Mg2+ binding K D 1.5*10−6 M ibid.
k off 300 s−1 ibid.
k on 1.3*105 M−1s−1 ibid.