** Binomial Number mechanics
** 1) 070060167(ヘモグロビン反応).pdf
** 2) 生物物理 47（3），167-173（2007）

*Time, 
** start,  end, console out, plot out, csv out,   unit
       0, 10000,       2000,     2000,  10000,    steps
*End 

*Element, 12
 T, 100000, Black 
 DPG, 100000, Green
 O2, 500000, Yellow
 T-DPG, 0, Gray 
 T-O2-DPG, 0, Orange
 T-(O2)2-DPG, 0, Green 
 T-(O2)2, 0, Yellow
 R-(O2)2, 0, Blue
 R-(O2)3, 0, Red
 R-(O2)4, 0, Green 
*End

*Reaction, 2000000
 r2_1, 001, 1, T, 1, DPG,          0.1, 1, T-DPG
 r2_1, 002, 1, T-DPG, 1,    O2,   0.001, 1, T-O2-DPG
 r2_1, 003, 1, T-O2-DPG, 1, O2,    0.01, 1, T-(O2)2-DPG
 r1_2, 004, 1, T-(O2)2-DPG,        0.1, 1, T-(O2)2, 1, DPG
 r1_1, 005, 1, T-(O2)2,           0.01, 1, R-(O2)2
 r2_1, 006, 1, R-(O2)2, 1,  O2,    5.0, 1, R-(O2)3
 r2_1, 007, 1, R-(O2)3, 1,  O2,    50.0, 1, R-(O2)4
 ** 最初のO2結合と最後のO2結合は、親和性が500倍 (文献2) 
*End

*Plot
 T, DPG, O2
 T-DPG, T-O2-DPG, T-(O2)2-DPG, T-(O2)2
 R-(O2)2, R-(O2)3, R-(O2)4
*End


*comments
2022.2.22



